Smartwatches / Compare

Garmin Forerunner 265 vs Polar Street X

A

Product A: Garmin

Forerunner 265

91 of 150 known

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B

Product B: Polar

Street X

79 of 150 known

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Every value links to where we found it.

Only differences

AGarmin Forerunner 265

BPolar Street X

General

6 of 10 differ

Series

Forerunner1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026

Street1Maker product pagepolar.com/en/street-xRead 15 October 2026Polar files it under Urban Sports Watches. The Polar guide calls the Pacer and Street watches one line.

Model numbersiMaker identifiers for this exact model and its listed variants. Excludes sibling models and other generations.

010-02810-00, 010-02810-01, 010-02810-02, 010-02810-10, 010-02810-11, 010-02810-12, A044521Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026US page lists 010-02810-00/01/02 as Forerunner 265 46 mm. The en-GB, en-NZ and en-AU pages list 010-02810-10/11/12 with the same names, colours and spec table.14Maker spec sheet (PDF)static.garmin.com/pumac/Forerunner%20265-265S_DoC-UK.pdfRead 7 October 2026UK declaration model-number row expressly A04452 Forerunner 265, A04453 Forerunner 265S. Added only A04452 to the six existing marketed codes. Its Product Security support period is not an OS-update-duration promise.

6J, 900116713, 900116714, 9001167151Maker product pagepolar.com/en/street-xRead 15 October 2026Store feed SKUs 900116713 (Night Black), 900116714 (Forest Green) and 900116715 (Snow White). The manual and the regulatory sheet give the model 6J.3Owner's manualsupport.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/technical-specifications.htmRead 15 October 2026Model 6J.

GTIN / EAN

0753759313715, 0753759313722, 07537593137392Maker spec sheet (PDF)pms-public.1ntersport.com/4-productattachments/at/iat.garmin.01002810.pdfRead 7 October 2026Page 5 Produktportfolio lists EAN 0753759313715, 0753759313722 and 0753759313739 for 010-02810-10, -11 and -12. No US UPCs were found in a maker source.

725882070766, 725882070773, 7258820707801Maker product pagepolar.com/en/street-xRead 15 October 2026Store feed gtin12: 725882070766 Night Black, 725882070773 Forest Green and 725882070780 Snow White.

AnnouncediThe maker's first announcement of this model. This is separate from first retail availability.

2 March 20233Press releasegarmin.com/en-US/newsroom/press-release/sports-fitness/garmin-adds-amoled-displays-to-its-next-gen-forerunner-265-and-forerunner-965-gps-running-watchesRead 6 October 2026Dated Olathe, March 2, 2023.

25 March 202617Press releasepolar.com/en/media-room/polar-debuts-street-xRead 15 October 2026Press release dated 25 March 2026 from Kempele, Finland.

Status

Available1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026US SKU 010-02810-00 is sellable with Add to Cart and 1-3 day shipping on the access date.

Available1Maker product pagepolar.com/en/street-xRead 15 October 2026Global store: Buy now and in stock for three colours.

PredecessoriThe model this one directly replaced, in the same line, tier and size, as the maker or a trusted review names it.

Garmin Forerunner 25524Maker product pagegarmin.com/nl-NL/blogRead 23 October 2026Garmin's Dutch blog says the Forerunner 265 is the successor of the Forerunner 255.

Not available

SuccessoriThe model that directly replaced this one, in the same line, tier and size. A revision such as a Slim or OLED model does not count when a next generation exists.

Garmin Forerunner 57021Reviewthe5krunner.com/2023/03/02/garmin-forerunner-265-opinionRead 7 October 2026Current September 2026 update note explicitly Forerunner 265 has since been superseded by Forerunner 570. Existing same-type garmin-forerunner-570 JSON linked. Relationship only. No 570 sensor, case size, brightness or battery data transferred.25Reviewdcrainmaker.com/2025/05/garmin-forerunner-everything.htmlRead 23 October 2026DC Rainmaker says the Forerunner 570 is the confirmed successor to the Forerunner 265.

Not available

Launch price (US)iThe maker's US launch MSRP for the stated configuration, excluding tax. Current store prices and later discounts do not qualify.

$449.993Press releasegarmin.com/en-US/newsroom/press-release/sports-fitness/garmin-adds-amoled-displays-to-its-next-gen-forerunner-265-and-forerunner-965-gps-running-watchesRead 6 October 2026Suggested retail $449.99 for the Forerunner 265 series. US price excludes sales tax.

$249.917Press releasepolar.com/en/media-room/polar-debuts-street-xRead 15 October 2026USD 249.90, excluding tax.

Launch price (EU)iThe maker's euro launch price for the stated configuration, including VAT as published. Current store prices and later discounts do not qualify.

€499.992Maker spec sheet (PDF)pms-public.1ntersport.com/4-productattachments/at/iat.garmin.01002810.pdfRead 7 October 2026Page 5 lists UVP 499,99 EUR for each 265 SKU. It matches the French launch release.4Press releasegarmin.com/fr-FR/newsroom/des-ecrans-amoled-pour-les-nouvelles-montres-gps-de-running-triathlon-forerunner-265-et-forerunner-965-de-garminRead 7 October 2026Prix et disponibilites: Forerunner 265 disponible des maintenant au prix de vente de 499,99 EUR. French consumer price including VAT.

€249.917Press releasepolar.com/en/media-room/polar-debuts-street-xRead 15 October 2026EUR 249.90 including VAT where applicable. GBP 219.00.

MarketsiISO country or region codes where this exact model or variant is sold. A source page's language does not establish availability.

US, EU, GB, AU, NZ1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026Exact US sellable SKU family 010-02810-00/01/02. Existing French launch release proves actual EU sales of international SKUs, while current GB/AU/NZ maker pages list 010-02810-10/11/12. Base union, explicit row markets distinguish US from international variants. Language alone is not availability proof.2Maker spec sheet (PDF)pms-public.1ntersport.com/4-productattachments/at/iat.garmin.01002810.pdfRead 7 October 2026Garmin international product-portfolio rows 010-02810-10/11/12 with EUR 499.99 MSRP and EANs. Together with actual maker French immediate availability, proves represented EU offerings. US part numbers remain restricted to US in variant rows.4Press releasegarmin.com/fr-FR/newsroom/des-ecrans-amoled-pour-les-nouvelles-montres-gps-de-running-triathlon-forerunner-265-et-forerunner-965-de-garminRead 7 October 2026March 2, 2023 French maker press release explicitly available now for 499.99 EUR. EU sold hardware proof, linked to international 010-02810-10/11/12 through manufacturer datasheet portfolio/EAN rows, not language alone.15Maker product pagegarmin.com/en-GB/p/pn/010-02810-10Read 7 October 2026Current maker GB locale/store bootstrap explicitly lists international 46 mm Forerunner 265 codes 010-02810-10/11/12 with the same colours. Row markets distinguish international from US codes. 265S-13/14/15 excluded.16Maker product pagegarmin.com/en-AU/p/pn/010-02810-10Read 7 October 2026Current maker AU locale/store bootstrap explicitly lists international 46 mm Forerunner 265 codes 010-02810-10/11/12 with the same colours. Row markets distinguish international from US codes. 265S-13/14/15 excluded.17Maker product pagegarmin.com/en-NZ/p/pn/010-02810-10Read 7 October 2026Current maker NZ locale/store bootstrap explicitly lists international 46 mm Forerunner 265 codes 010-02810-10/11/12 with the same colours. Row markets distinguish international from US codes. 265S-13/14/15 excluded.

US, DE2Maker product pagepolar.com/us-en/street-xRead 15 October 2026The US store lists the same three colours as in stock. Its current price is 249.99 USD, which differs from the launch price of 249.90 USD and is not used.

ColoursiThe maker's own colour names

Black Bezel and Case with Black/Powder Gray Silicone Band, Black Bezel with Whitestone Case and Whitestone/Tidal Blue Silicone Band, Black Bezel with Aqua Case and Aqua/Black Silicone Band1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026Verbatim product variation names from the SKU data, without the leading model name. The en-GB page uses the same three names.

Night Black, Snow White, Forest Green1Maker product pagepolar.com/en/street-xRead 15 October 2026Colour options: Night Black, Snow White, Forest Green.

Segment

Sport1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026Maker breadcrumb and category: Sports & Fitness, Running. Product described as a GPS running watch.

Sport1Maker product pagepolar.com/en/street-xRead 15 October 2026Polar calls it an urban sports watch for hybrid athletes who train, work and live in the city. The store lists it in the Performance Series.

OS updates promisediYears of explicitly promised OS updates. A security-only support period does not establish an OS-upgrade promise.

Not available

Not available

Security updates untiliExact end date published for security-update support of this model. Do not calculate it from a stated number of years. A security-only period does not promise OS upgrades.

Not available

Not available

Case

5 of 8 differ

Case sizeiMarketed case-size options. The marketed size can differ from physical case height, such as ceramic editions. Base dimensions describe the smallest base-material case.

46mm1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026

45mm1Maker product pagepolar.com/en/street-xRead 15 October 2026One size. Tech specs: width 45 mm and height 45 mm.

Case shape

Round1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026Maker product images show a round case with button and lug projections. The case-size tooltip calls 46 mm the diameter of the watch housing.

Round1Maker product pagepolar.com/en/street-xRead 15 October 2026Round case with a round AMOLED display.

Case materialiMaterial of the housing body, not just the bezel. Use Mixed when the maker describes a mixture of housing/frame materials. Read the published-material field for the parts and proportions.

Fibre-reinforced polymer10Reviewandroidcentral.com/wearables/garmin-forerunner-265-reviewRead 7 October 2026Actual review design explicitly plastic bezel and casing, specification Materials row Fiber-reinforced polymer. Grover exact 46 mm retailer Build Material independently says fiber-reinforced-polymer Case. Maker only names bezel material, so whole housing is a secondary-supported gap fill. No stainless/titanium borrowed from other watches.11Retailer pagegrover.com/at-en/products/garmin-forerunner-265-fiber-reinforced-polymer-case-and-silicone-band-46mmRead 7 October 2026Exact 46 mm product title and Build Material cell explicitly fiber reinforced polymer Case and Silicone Band. Black/Light Grey, Turquoise/Black and White finishes share this construction. Not merely a bezel statement. Rental bundle accessories are not transferred to the maker standard box.

Fibre-reinforced polymer1Maker product pagepolar.com/en/street-xRead 15 October 2026Tech specs: case material and bezel material Bio-based plastic. The launch release says reinforced polymer body. The manual lists PA11+8GF (glass-fibre reinforced polyamide 11) among the device materials. Stored as fibre-reinforced polymer.3Owner's manualsupport.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/technical-specifications.htmRead 15 October 2026Device materials list PA11+8GF, a glass-fibre reinforced polyamide.

Case material (as published)

Fiber-reinforced polymer10Reviewandroidcentral.com/wearables/garmin-forerunner-265-reviewRead 7 October 2026Verbatim review Materials cell Fiber-reinforced polymer. Same 46.1 mm/22 mm-band regular Forerunner 265 and colours, not 265S or 570.11Retailer pagegrover.com/at-en/products/garmin-forerunner-265-fiber-reinforced-polymer-case-and-silicone-band-46mmRead 7 October 2026Exact published body material cell Fiber reinforced polymer Case. Review uses same material term. No separate back substrate is inferred.

Bio-based plastic1Maker product pagepolar.com/en/street-xRead 15 October 2026Tech specs: Case material Bio-based plastic.

BackiMaterial of the back of the smallest base-material case. Other materials or regional editions can differ. See source notes.

Not available

Not available

Case dimensionsiPhysical case height, width and thickness. The source note states exclusions such as the heart-rate sensor protrusion.

Height46.1Width46.1Thickness12.9mm(1.8 × 1.8 × 0.5 in)1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026Physical size 46.1 x 46.1 x 12.9 mm. The source does not say whether the heart rate sensor bump is included.

Height45Width45Thickness13.8mm(1.8 × 1.8 × 0.5 in)1Maker product pagepolar.com/en/street-xRead 15 October 2026Tech specs: width 45 mm, height 45 mm, thickness 13.8 mm.

Weight (case only)iWatch body without a strap. An unqualified published weight must not be assumed to exclude the strap.

Not available

28g(1 oz)1Maker product pagepolar.com/en/street-xRead 15 October 2026Tech specs: total weight without wristband 28 g.18Maker product pagepolar.com/en/guide/polar-street-x-vs-polar-pacer-proRead 15 October 2026Comparison table: 48 g, 28 g without band.

Weight with strapiWatch with the stated strap attached. Strap material and case size belong in the source note. Reviewer measurements belong in measured fields.

47g(1.7 oz)20Press articlegadgetsandwearables.com/2025/05/15/garmin-forerunner-570Read 7 October 2026Existing Forerunner 265 column explicitly Weight (with strap): 47 g, 46.1x46.1x12.9 mm, 1.30-inch display and supplied silicone band. Exact maker unqualified 47 g matches across all 46 mm coloured SKUs. Case-only weight is not inferred. This is a published specification, not the publisher's own weighing measurement. Other table errors and speculative 570 claims are not imported.

48g(1.7 oz)1Maker product pagepolar.com/en/street-xRead 15 October 2026Tech specs: total weight 48 g. This is with the POLAR Street Wristband, 22mm that comes in the box.

Durability

2 of 8 differ

Water resistanceiStatic water-pressure rating in atmospheres. It is not a safe swimming or diving depth. Diving limits are listed separately.

5ATM1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026Water rating 5 ATM. This is a pressure rating, not a dive rating.

5ATM1Maker product pagepolar.com/en/street-xRead 15 October 2026Tech specs: water resistance WR50. The manual says 50 m, suitable for swimming.3Owner's manualsupport.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/technical-specifications.htmRead 15 October 2026Water resistance 50 m (suitable for swimming).

Water resistance standard

Not available

ISO 228103Owner's manualsupport.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/technical-specifications.htmRead 15 October 2026The water resistance section says Polar tests to ISO 22810 or IEC 60529. The 20, 30 and 50 m class cites ISO 22810.

Dust and water rating

Not available

Not available

Dive rating

Not available

Not available

Max dive depthiMaker-rated depth for the stated diving use, not a conversion from the water-resistance pressure rating.

Not available

Not available

MIL-STD-810iMaker claim that the watch was tested against specified MIL-STD-810 methods. It is not a guarantee for every military-standard test.

Not available

Yes1Maker product pagepolar.com/en/street-xRead 15 October 2026Tech specs: tested against military standard MIL-STD-810H. The tested methods are not listed.

MIL-STD-810 tests

Not available

Not available

Operating temperatureiPublished operating range. Source notes identify on-wrist limits and other operating conditions. Storage or charging limits are excluded.

Min-20Max50°C6Owner's manualwww8.garmin.com/manuals/webhelp/GUID-F41EAFB3-6CC9-42DE-9C6C-9E358DBB0671/EN-US/Forerunner_265_OM_EN-US.pdfRead 7 October 2026Specifications p.107 Operating temperature range: -20 to 50 C. Charging range 0 to 45 C is separate. No storage or water temperature limit substituted.

Min-20Max50°C1Maker product pagepolar.com/en/street-xRead 15 October 2026Tech specs: operation temperature -20 C to 50 C.3Owner's manualsupport.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/technical-specifications.htmRead 15 October 2026Operating temperature -20 C to +50 C.

Display

3 of 14 differ

Display type

OLED1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026

OLED1Maker product pagepolar.com/en/street-xRead 15 October 2026Tech specs: display type AMOLED.

Display type (as published)

AMOLED1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026

AMOLED1Maker product pagepolar.com/en/street-xRead 15 October 2026Tech specs: display type AMOLED.

Screen sizeiPublished active display diagonal for a rectangular display, or diameter for a round display. Do not calculate it from pixels or display area.

1.3in(3.3 cm)1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026Display size 1.3 inch (32.5 mm) diameter. The launch datasheet gives 1.3 inch (33 mm).

1.28in(3.3 cm)1Maker product pagepolar.com/en/street-xRead 15 October 2026Tech specs: display size 1.28 inch.

Resolution

416 × 416px1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026

416 × 416px1Maker product pagepolar.com/en/street-xRead 15 October 2026Tech specs: display resolution 416 x 416.

Pixel densityiPublished pixel density. A rectangular diagonal formula must not be applied to a round display.

320ppi20Press articlegadgetsandwearables.com/2025/05/15/garmin-forerunner-570Read 7 October 2026Same legacy Forerunner 265 column explicitly Pixels per inch (PPI): 320, 416x416, 1.30-inch round display. Stored as published rounded density. No rectangular-diagonal formula applied. Maker 32.5 mm diameter is more precise than 1.30-inch marketed rounding, so this is a secondary marketed-density figure. No speculative 570 figure imported.22Reviewfrandroid.com/marques/garmin/1669051_test-de-la-garmin-forerunner-265-une-excellente-montre-de-sport-mais-pas-sans-defautsRead 7 October 2026Actual original March 2023 review display section explicitly lists regular Forerunner 265 1.3 inch / 416x416 / 320 pixels per inch. Smaller 265S 1.1 inch / 360x360 / 327 is excluded. Published rounded density, not a rectangular-diagonal calculation. Precise maker diameter 32.5 mm differs from marketed 1.3-inch rounding.

Not available

Display area

Not available

Not available

Touchscreen

Yes1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026

Yes1Maker product pagepolar.com/en/street-xRead 15 October 2026Tech specs: touch screen Yes.5Owner's manualsupport.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/button-functions.htmRead 15 October 2026Color touch display: swipe and tap. It is disabled during training.

Max refresh rateiHighest published display refresh rate in active operation.

Not available

Not available

Min refresh rateiLowest published display refresh rate, usually in always-on mode. It is not the active-use minimum unless stated.

Not available

Not available

Peak brightnessiMaker peak-brightness claim. It may apply to a small area or bright ambient light. Full-screen limits and battery/temperature conditions belong in source notes.

Not available

Not available

Minimum brightness

Not available

Not available

Always-on display

Yes1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026

Yes1Maker product pagepolar.com/en/street-xRead 15 October 2026Tech specs: always on display Yes. The battery support page says it is off by default.14Maker product pagesupport.polar.com/en/what-is-the-battery-life-of-street-xRead 15 October 2026Always on display is off by default in Street X.

Display cover

Gorilla Glass1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026

Gorilla Glass1Maker product pagepolar.com/en/street-xRead 15 October 2026Description: 1.28 inch AMOLED touchscreen with Gorilla Glass 3.

Display cover (as published)

Corning Gorilla Glass 31Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026

Corning Gorilla Glass 3 (AF + DLC coating)1Maker product pagepolar.com/en/street-xRead 15 October 2026Manual tech spec: Corning Gorilla Glass 3 (AF + DLC coating).3Owner's manualsupport.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/technical-specifications.htmRead 15 October 2026Watch materials: Corning Gorilla Glass 3 (AF + DLC coating), PA11+8GF, aluminum, stainless steel, PMMA. Wristband: silicone with an aluminum buckle.

Platform

5 of 15 differ

Platform

Proprietary1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026Garmin's own watch software with Connect IQ apps and an on-device Connect IQ Store. No Wear OS or watchOS.

Proprietary1Maker product pagepolar.com/en/street-xRead 15 October 2026Polar own firmware. The Polar comparison guide says it runs the same OS as the Vantage V3 and Grit X2 Pro.

OS at launch

Not available

Not available

Software

Not available

Not available

Latest OS

Garmin Software Version 29.058Maker product pageforums.garmin.com/sports-fitness/running-multisport/f/forerunner-265-series/442768/forerunner-265-series---29-05---100Read 7 October 2026Official Garmin-Kevin production announcement: Software Version 29.05 now available for Forerunner 265 Series, titled 100% rollout. Current official series index pins 29.05 as latest production on access date. Not a beta or Connect IQ SDK version. US/international global hardware codes represented here, APAC-specific codes not added. Launch software not inferred.

Not available

Works with

iOS, Android1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026

iOS, Android15Maker product pagesupport.polar.com/ie-en/polar-flow-app-and-compatible-devicesRead 15 October 2026Street X works with iOS and Android phones through the Polar Flow app.

Phone requirement

Garmin Connect requires iOS 18.2 or higher. Android 9 or higher needs native Google Play Store. Android Go is not supported.9Maker product pagesupport.garmin.com/en-USRead 7 October 2026Current US maker compatibility FAQ embedded public var AppData names iOS 18.2+ and Android 9+, native Google Play required, Android Go unsupported. This is companion-app requirement at access date, not a claim that basic watch operation requires a phone. Some localized cached FAQs publish older iOS/Android requirements and are not substituted for current US data. Independent verification direct US retrieval returned a public challenge. Actual same-session public raw AppData was parsed independently without executing scripts. Current same-ID official South African/Portuguese/Spanish FAQs corroborate these app requirements. No older cached OS threshold substituted.

iOS 17 or later, or Android 8 or later with Bluetooth 4.0 capability, running the Polar Flow app15Maker product pagesupport.polar.com/ie-en/polar-flow-app-and-compatible-devicesRead 15 October 2026Street X: iOS mobile devices with iOS 17 or later. Android mobile devices with Bluetooth 4.0 capability and Android 8 or later.

App store

Yes1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026

Not available

Voice assistants

Not available

Not available

Chipset

Not available

Not available

Process

Not available

Not available

CPU cores

Not available

Not available

CPU configuration

AGarmin Forerunner 265

Not available

BPolar Street X

Max clock (GHz)
0.275

Source1Maker product pagepolar.com/en/street-xRead 15 October 2026Tech specs: CPU speed 275 MHz. Core count and type are not stated.

Max CPU clock

Not available

0.275GHz=CalculatedFrom CPU configuration

GPU

Not available

Not available

Low-power coprocessor

Not available

Not available

Memory

1 of 2 differ

RAMiKeep published GB values as stated. Convert a source explicitly labelled MB using 1000 MB per GB and preserve its original figure and unit in the note. Do not assume MB means MiB. Convert explicit MiB or GiB to decimal GB through their byte definitions, recording the conversion in the note. This normalization does not establish an exact physical byte count.

Not available

Not available

StorageiTotal built-in storage the maker states, in decimal GB. Space available to the user is lower and goes in the source note. A figure the maker gives only as available space is not stored.

8GB1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026Memory/History 8 GB. Not RAM.

32 MB1Maker product pagepolar.com/en/street-xRead 15 October 2026Tech specs: storage 32 MB, stored as 0.032 GB. The page also lists memory 5 MB, which is not labelled RAM and is not stored.

Health sensors

3 of 8 differ

Heart rate sensor

Garmin Elevate wrist heart rate monitor1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026

Polar Precision Prime optical heart rate sensor (OHR GEN 3.5)1Maker product pagepolar.com/en/street-xRead 15 October 2026Tech specs: Precision Prime, OHR GEN 3.5.3Owner's manualsupport.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/technical-specifications.htmRead 15 October 2026Sensors: Precision Prime, Skin Temp GEN 1, OHR GEN 3.5.

ECG capabilityiElectrical heart sensing hardware with an ECG capability. The ECG app can require an eligible country, age and paired phone.

No5Reviewdcrainmaker.com/2023/03/garmin-forerunner-review-amoled.htmlRead 6 October 2026Review states there is no ECG hardware in the Forerunner 265, confirmed by Garmin. The sensor lacks the isolating ring an ECG needs.

No1Maker product pagepolar.com/en/street-xRead 15 October 2026Tech specs: ECG none.

Blood oxygen sensingiBlood-oxygen sensing capability. App availability and medical status vary by market.

Yes1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026Pulse Ox blood oxygen saturation monitor: spot check, optional all-day acclimation and in sleep. Not a medical device and not available in all countries.

No1Maker product pagepolar.com/en/street-xRead 15 October 2026Tech specs: SpO2 none.

Skin temperature sensingiA sensor or supported function that measures skin temperature. It is not a core-body thermometer.

No19Reviewandroidcentral.com/best-garmin-smartwatchRead 7 October 2026Current exact Forerunner 265 scorecard Health row explicitly Elevate v4 with no ECG or skin temp. Maker internal thermometer is an ambient/device-temperature sensor, not a skin-health feature. Other Venu/Forerunner model scorecards are excluded.

Yes1Maker product pagepolar.com/en/street-xRead 15 October 2026Tech specs: Skin Temp GEN 1. Nightly skin temperature feature.

Blood pressure featureiPublished blood-pressure feature category. Hypertension notifications are not numerical blood-pressure readings.

Not available

Not available

Body composition sensor

Not available

Not available

Skin conductance (EDA)

Not available

Not available

Medical clearancesiNamed regulatory clearances and their jurisdiction. General water resistance or an ECG sensor does not establish medical clearance.

Not available

Not available

Motion and environment sensors

0 of 9 differ

Accelerometer

Yes1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026

Yes1Maker product pagepolar.com/en/street-xRead 15 October 2026Tech specs: accelerometer Yes.

Accelerometer range

Not available

Not available

Gyroscope

Yes1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026

Yes1Maker product pagepolar.com/en/street-xRead 15 October 2026Tech specs: gyroscope Yes.

Barometric altimeter

Yes1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026

Yes1Maker product pagepolar.com/en/street-xRead 15 October 2026Tech specs: barometer Yes.

Compass

Yes1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026

Yes1Maker product pagepolar.com/en/street-xRead 15 October 2026Tech specs: magnetometer compass Yes.

Ambient light sensor

Yes1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026

Yes1Maker product pagepolar.com/en/street-xRead 15 October 2026Tech specs: ambient light sensor Yes.

Depth gauge

Not available

Not available

Depth gauge rangeiPublished measurement range of the depth gauge, distinct from maximum diving depth and water-pressure resistance.

Not available

Not available

Water temperature sensor

Not available

Not available

Health and fitness

3 of 5 differ

Health featuresiSupported health functions with country, phone and subscription restrictions in the source notes. Upcoming functions are not counted as available.

Continuous heart rate, Heart rate alerts, Blood oxygen app, Heart rate variability, Sleep tracking, Sleep stages, Stress tracking, Readiness score, Cycle tracking1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026Specs list heart rate every second, high and low abnormal heart rate alerts, Pulse Ox, HRV status, advanced sleep with sleep score, all-day stress, training readiness and women's health. Sleep stages are backed by the DC Rainmaker source.5Reviewdcrainmaker.com/2023/03/garmin-forerunner-review-amoled.htmlRead 6 October 2026Review says the watch tracks sleep phases REM, Deep, Light and Awake, which backs sleep_stages.

Continuous heart rate, Heart rate variability, Sleep tracking, Sleep stages1Maker product pagepolar.com/en/street-xRead 15 October 2026Features: continuous heart rate, nightly sleep stages (Sleep Plus Stages), Nightly Recharge, SleepWise. HRV is listed under heart rate. The Daily Readiness card and SleepWise give an alertness forecast, not a readiness score, so readiness_score is not stored. No stress score is listed. Not a medical device.4Owner's manualsupport.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/introduction.htmRead 15 October 2026Introduction: Sleep Plus Stages, Nightly Recharge, SleepWise, continuous heart rate.

Fitness featuresiSupported workout functions. A sport-profile name alone does not prove advanced metrics such as running power or running dynamics. Trackback follows the recorded route back to the start. A compass arrow that points straight to the start does not count.

VO2 max, Training load, Recovery advice, Running dynamics, Running power, Pool swim, Open water swim, Strength rep counting, Interval workouts, Route navigation, Trackback1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026Specs list VO2 Max, training load, recovery time, running dynamics, wrist running power, pool and open-water swim metrics, automatic rep counting, interval training, courses and course guidance, and TracBack. No golf course feature and no ClimbPro are listed.

VO2 max, Training load, Recovery advice, Running power, Pool swim, Open water swim, Interval workouts, Route navigation, Turn-by-turn navigation, Trackback, Climb detection1Maker product pagepolar.com/en/street-xRead 15 October 2026Features and cards: Running Performance Test (VO2max), Training Load Pro, Recovery Pro, wrist-based running power, swimming metrics, interval timers and phased training targets, route guidance, turn-by-turn route guidance, Track Back, Back to Start. Hill Splitter detects uphills and downhills automatically (manual). The manual has separate pool and open water swimming sections.4Owner's manualsupport.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/introduction.htmRead 15 October 2026Introduction: Route Guidance, Komoot routes, Track back, Back to start, Running Performance Test with VO2max, Walking test, Training Load Pro, Recovery Pro, running power, swimming metrics with distance and strokes also in open water, Hill Splitter.9Owner's manualsupport.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/swimming-metrics.htmRead 15 October 2026Separate sections for pool swimming (distance, pace, strokes, SWOLF) and open water swimming (distance, pace, stroke rate for freestyle and route).10Owner's manualsupport.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/hill-splitter.htmRead 15 October 2026Hill Splitter automatically detects all uphills and downhills from GPS speed, distance and barometric altitude. It needs a 1 second GPS recording rate. Stored as climb detection.13Owner's manualsupport.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/track-back-and-back-to-start.htmRead 15 October 2026Track back guides you back to the start via the same route you came. Back to start shows the direction by beeline.

Sport profilesiPublished count of distinct sport/activity profiles. A claim such as 180+ is not an exact integer count.

Not available

Not available

Dive modesiActual supported dive modes. Water resistance or a depth app alone does not establish decompression-capable scuba support.

Not available

Not available

External sensorsiTypes of external workout sensors the watch can pair with. GPS reception, phone data and built-in sensors do not qualify.

Heart rate strap, Power meter, Speed and cadence, Foot pod, Smart trainer1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026Specs list heart rate from an external HRM, power meter compatible, speed and cadence sensor support, foot pod capable and smart trainer control.

Heart rate strap, Power meter, Speed and cadence8Owner's manualsupport.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/compatible-sensors.htmRead 15 October 2026Compatible Bluetooth sensors: Polar Verity Sense, OH1, H10 and H9 heart rate sensors, Polar speed sensor and cadence sensor, and third-party power sensors.

Safety

3 of 6 differ

Fall detectioniAutomatic fall detection. Incident detection restricted to recorded workouts is not counted as general fall detection.

Not available

Not available

Car crash detection

Not available

Not available

Emergency SOSiA manual emergency alert to emergency services or preset contacts. Source notes identify the recipient, paired-phone requirement and country limits. Satellite is listed separately.

Yes1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026Safety section lists Assistance and incident detection during select activities. Assistance sends the location to preset emergency contacts through the paired phone. It does not call emergency services.

Not available

Emergency sireniPublished or measured siren sound level in decibels. Audible distance alone does not establish this value. Measurement distance belongs in source notes.

Not available

Not available

Live location sharingiShares live location during supported use. A paired phone or data subscription may be required.

Yes3Press releasegarmin.com/en-US/newsroom/press-release/sports-fitness/garmin-adds-amoled-displays-to-its-next-gen-forerunner-265-and-forerunner-965-gps-running-watchesRead 6 October 2026Lists incident detection, assistance and LiveTrack. LiveTrack needs the paired phone and Garmin Connect.

Not available

Dedicated LED flashlightiA dedicated hardware LED flashlight. Lighting the display white is not counted.

No6Owner's manualwww8.garmin.com/manuals/webhelp/GUID-F41EAFB3-6CC9-42DE-9C6C-9E358DBB0671/EN-US/Forerunner_265_OM_EN-US.pdfRead 7 October 2026Original complete controls and Using the Flashlight Screen printed page 38 explicitly describe illumination by display brightness/color. Not dedicated torch LED hardware. Optical sensor LEDs are not a flashlight.

Yes1Maker product pagepolar.com/en/street-xRead 15 October 2026Tech specs: front LED light Yes. Built-in LED flashlight with red light mode.11Owner's manualsupport.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/flashlight.htmRead 15 October 2026Integrated LED flashlight with adjustable white light and a red light mode.

Positioning

2 of 3 differ

PositioningiPublished satellite systems and signal bands. Do not infer bands from dual-frequency support alone.

GPS, GLONASS, Galileo, QZSS, BeiDou1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026Sensors table lists GPS, GLONASS, Galileo, QZSS and BeiDou with SatIQ. The 2023 datasheet comparison row names only GPS, GLONASS and Galileo.

GPS, Galileo, BeiDou, QZSS1Maker product pagepolar.com/en/street-xRead 15 October 2026Tech specs, Geo location: GPS, Galileo, BeiDou and QZSS Yes. GLONASS is not listed.18Maker product pagepolar.com/en/guide/polar-street-x-vs-polar-pacer-proRead 15 October 2026Comparison table: GPS constellations GPS, Galileo, BeiDou, QZSS for Street X. GLONASS is not named.

Dual-band GNSSiMaker-stated dual-frequency satellite reception. Supported constellations and signal bands are listed separately.

Yes1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026Specs list Multi-band GPS.

Not available

Offline mapsiMap data stored on the watch and usable without live phone data. GPX routes or breadcrumb tracks alone are not offline maps.

No2Maker spec sheet (PDF)pms-public.1ntersport.com/4-productattachments/at/iat.garmin.01002810.pdfRead 7 October 2026Page 4 comparison row Vorinstalliertes Kartenmaterial is not ticked for the Forerunner 265S | 265 and is ticked for the 965. Course following is a separate feature.

No19Spec databasethe5krunner.com/specs/polar/street-xRead 15 October 2026No onboard maps. Route guidance uses planned routes and breadcrumbs.

Connectivity

9 of 15 differ

BluetoothiPublished Bluetooth support for this model. The version is recorded separately. Unknown version does not mean the radio is absent.

Not available

Yes1Maker product pagepolar.com/en/street-xRead 15 October 2026Tech specs: Bluetooth technology Bluetooth LE.

Bluetooth version

Not available

Not available

Wi-FiiPublished Wi-Fi support for this model. The standard and bands are recorded separately. Unknown standard does not mean Wi-Fi is absent.

Not available

No1Maker product pagepolar.com/en/street-xRead 15 October 2026Tech specs, Connectivity lists Bluetooth LE and the USB cable only.

Wi-Fi standard

Wi-Fi 423Regulatory filingfcc.report/FCC-ID/IPH-04452/6306518.pdfRead 7 October 2026Exact original SAR report SAR.20221106 Revision A page 1 names model A04452 and FCC IPH-04452, engineering unit explicitly same as production. Page 4 explicitly says its table lists all wireless technologies operating in A04452. Implemented Wi-Fi inventory is 2.4 GHz 802.11b/g/n, establishing Wi-Fi4. Not inferred from band, channel width or component capability. Only regular 46 mm Forerunner 265 hardware, not smaller A04453 or APAC codes. Main approved this complete implemented-protocol evidence.

Not available

Wi-Fi bands

2.4 GHz13Regulatory filingfccid.io/IPH-04452Read 7 October 2026Exact licensed WLAN-range grant 2412-2462 MHz with 20 MHz modes and maker complete radio-frequency table 2.4 GHz. Known 2.4 GHz Wi-Fi band retained. The Wi-Fi protocol version is not inferred from bandwidth or generic chip capability.23Regulatory filingfcc.report/FCC-ID/IPH-04452/6306518.pdfRead 7 October 2026Complete implemented Wi-Fi table on printed page 4 lists 2.4 GHz b/g/n. Page 1 transmit range 2412-2462 MHz. FCC grant separately corroborates. No 5/6 GHz band or newer protocol inferred.

Not available

CellulariTrue when a cellular edition is sold. A variant row states whether that individual model has cellular hardware.

No10Reviewandroidcentral.com/wearables/garmin-forerunner-265-reviewRead 7 October 2026Actual hardware chapter explicitly no LTE upgrade option for Forerunner 265. Maker has only regular 265/265S coloured SKUs and complete connectivity list Bluetooth/ANT+/Wi-Fi. No cellular SKU is invented. This false value is consistent across all six represented colour/regional variants.

No1Maker product pagepolar.com/en/street-xRead 15 October 2026Connectivity lists Bluetooth LE and the USB cable only. No cellular radio is listed.

Network

Not available

Not available

4G bandsiPublished LTE bands for the stated regional cellular model. Do not transfer bands to another region or Wi-Fi-only model.

Not available

Not available

5G bandsiPublished 5G NR bands for the stated regional cellular model. RedCap support does not establish conventional full-bandwidth phone 5G.

Not available

Not available

NFCiSome regions sell an NFC edition, so it is per variant.

Yes5Reviewdcrainmaker.com/2023/03/garmin-forerunner-review-amoled.htmlRead 6 October 2026Review says you tap the watch against an NFC/contactless payment terminal to pay with Garmin Pay.

No19Spec databasethe5krunner.com/specs/polar/street-xRead 15 October 2026NFC not listed. The page says the watch has no contactless payment.

Contactless payments

Yes1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026

No19Spec databasethe5krunner.com/specs/polar/street-xRead 15 October 2026No contactless payment.

Payment services

Garmin Pay1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026

Not available

Ultra-wideband

Not available

Not available

Satellite

Not available

None1Maker product pagepolar.com/en/street-xRead 15 October 2026Connectivity lists Bluetooth LE and the USB cable only. No satellite link is listed.

ANT+

Yes1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026

No19Spec databasethe5krunner.com/specs/polar/street-xRead 15 October 2026ANT+ not listed. Connectivity is Bluetooth LE.

Audio

4 of 4 differ

Speaker

No5Reviewdcrainmaker.com/2023/03/garmin-forerunner-review-amoled.htmlRead 6 October 2026Review lists no music-emitting speaker and no microphone for voice calls. The author later says the FR265 has a beeper, not a true speaker. A beeper is not counted.

Not available

Microphones

012Reviewandroidcentral.com/best-smartwatches-fitnessRead 7 October 2026Forerunner 265 watch section during actual tests explicitly says it does not have a speaker or mic. No physical microphone, not merely zero voice-call channels. Original DC Rainmaker review corroborates no microphone for calls, beeper is not a voice speaker. Other model sections are excluded.

Not available

Calls on the watchiVoice-call capability of the marketed model, including sold cellular editions. Variant radio capability and paired-phone requirements still apply.

None5Reviewdcrainmaker.com/2023/03/garmin-forerunner-review-amoled.htmlRead 6 October 2026No microphone for voice calls and no speaker. Calls can only be answered or rejected and continue on the phone.

Not available

Music on the watchiPlays audio stored on the watch. Remote control of phone playback or streaming alone does not qualify.

Yes1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026Plays and controls watch music. Music services need a premium subscription.

No19Spec databasethe5krunner.com/specs/polar/street-xRead 15 October 2026No music storage.

Controls

3 of 5 differ

ButtonsiPhysical controls used to operate the watch, excluding the rotating crown and strap-release buttons. A clickable rotating crown is counted only in Crown.

53Press releasegarmin.com/en-US/newsroom/press-release/sports-fitness/garmin-adds-amoled-displays-to-its-next-gen-forerunner-265-and-forerunner-965-gps-running-watchesRead 6 October 2026Touchscreen complements the traditional 5-button design. Button names are not stored because no manual could be opened.

55Owner's manualsupport.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/button-functions.htmRead 15 October 2026Your watch has five buttons: CUSTOM (LIGHT), BACK, OK, UP and DOWN. The touch display adds touch control.

Named operating buttonsiNames of operating buttons, excluding the crown and strap-release controls.

LIGHT, UP, DOWN, START/STOP, BACK6Owner's manualwww8.garmin.com/manuals/webhelp/GUID-F41EAFB3-6CC9-42DE-9C6C-9E358DBB0671/EN-US/Forerunner_265_OM_EN-US.pdfRead 7 October 2026Overview p.2 complete diagram and operating table names LIGHT, UP, DOWN, START/STOP and BACK. Touchscreen is numbered 1 in figure but not counted as a sixth physical button. Crown and strap release excluded.

LIGHT (custom button), BACK, OK, UP, DOWN5Owner's manualsupport.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/button-functions.htmRead 15 October 2026Button functions: CUSTOM BUTTON (turns the flashlight on or off by default), BACK, OK, UP/DOWN.

CrowniA crown that rotates to control the interface. A round push button that does not rotate is not a crown.

None6Owner's manualwww8.garmin.com/manuals/webhelp/GUID-F41EAFB3-6CC9-42DE-9C6C-9E358DBB0671/EN-US/Forerunner_265_OM_EN-US.pdfRead 7 October 2026Complete Overview diagram and controls table specify touchscreen and five buttons operated by press/hold. There is no rotating control. A round push button is not a crown under field definition.

None5Owner's manualsupport.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/button-functions.htmRead 15 October 2026No crown is described. Controls are five buttons and the touch display.

Rotating bezeliPhysical rotation or touch gestures around the display edge. A fixed decorative bezel is None.

None6Owner's manualwww8.garmin.com/manuals/webhelp/GUID-F41EAFB3-6CC9-42DE-9C6C-9E358DBB0671/EN-US/Forerunner_265_OM_EN-US.pdfRead 7 October 2026Complete Overview control inventory and inspected diagram show a fixed bezel, touchscreen swipes and push buttons. No physical rotation or bezel-touch navigation is documented. The bezel is not counted as a control.

Not available

Gestures

Raise and turn arm to wake display, Cover screen with palm to return to watch face6Owner's manualwww8.garmin.com/manuals/webhelp/GUID-F41EAFB3-6CC9-42DE-9C6C-9E358DBB0671/EN-US/Forerunner_265_OM_EN-US.pdfRead 7 October 2026Display settings p.101 Gesture turns screen on by raising/turning arm to look at wrist. Overview p.2 says cover screen with palm to turn display off and return to watch face. AOD behavior follows current display setting. Ordinary button double press is not a motion gesture.

Not available

Battery and charging

7 of 13 differ

Battery capacityiPublished battery capacity for the stated case size. Rated and typical capacity are distinguished in source notes.

Not available

385mAh1Maker product pagepolar.com/en/street-xRead 15 October 2026Tech specs: battery capacity 385 mAh, Li-Pol.3Owner's manualsupport.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/technical-specifications.htmRead 15 October 2026385 mAh Li-pol rechargeable battery, replaceable at Polar Central Service.

Claimed battery lifeiMaker endurance claims with distinct operating modes and case sizes. With solar describes augmentation of that estimate, not hardware capability. Use false for ordinary claims without solar augmentation, true for explicitly solar-aided claims, and omit it when solar qualification is unclear. Source notes state AOD, GNSS, music and solar conditions. Do not create a normal-use row from an AOD-only claim. Low power denotes the maker battery-saver mode. Keep its typical, light-use and always-on claims separate from standard-mode claims. GPS power saving identifies an intermediate reduced-accuracy GNSS saving preset. Source notes retain the maker's preset name and published conditions. Max battery GPS is the distinct maximum-saving claim. When the maker has only one GPS saving preset, it is GPS power saving.

AGarmin Forerunner 265

Mode	With solar	Hours (h)
Smartwatch	No	312
Always-on	No	120
GPS	No	20
GPS, automatic system selection	No	16
GPS, dual-band	No	14
GPS with music	No	7
GPS, automatic system selection with music	No	6.5
GPS, dual-band with music	No	6

Source1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026US exact 46 mm table up-to: smartwatch 13 days, GPS 20 h, SatIQ 16 h, all-systems/multi-band 14 h, GPS + music 7 h, SatIQ + music 6.5 h, all-systems/multi-band + music 6 h. International current GB/AU/NZ pages instead SatIQ + music 6 h, while original global/GB owner manual states 6.5. Proved US base 6.5 retained. International variant full tables omit only this conflicted mode, preventing unsupported inherited 6.5. AOD 5 days remains separately sourced from actual Garmin launch figures quoted by DC Rainmaker. Other modes agree.5Reviewdcrainmaker.com/2023/03/garmin-forerunner-review-amoled.htmlRead 6 October 2026Review quotes Garmin's launch battery specs for the Forerunner 265: smartwatch mode with always-on display up to 5 days (120 h). Other rows match the maker page. The reviewer's own 4-day figure is a projection from a partial discharge and is not stored.15Maker product pagegarmin.com/en-GB/p/pn/010-02810-10Read 7 October 2026Literal regional battery table SatIQ (AutoSelect) GNSS with music: up to 6 hours. Maker original current owner manual exact 265 column says 6.5. No value chosen for international variants in this conflicted mode. Other nominal modes agree with base hardware.16Maker product pagegarmin.com/en-AU/p/pn/010-02810-10Read 7 October 2026Literal regional battery table SatIQ (AutoSelect) GNSS with music: up to 6 hours. Maker original current owner manual exact 265 column says 6.5. No value chosen for international variants in this conflicted mode. Other nominal modes agree with base hardware.17Maker product pagegarmin.com/en-NZ/p/pn/010-02810-10Read 7 October 2026Literal regional battery table SatIQ (AutoSelect) GNSS with music: up to 6 hours. Maker original current owner manual exact 265 column says 6.5. No value chosen for international variants in this conflicted mode. Other nominal modes agree with base hardware.

BPolar Street X

Mode	With solar	Hours (h)
Smartwatch	No	240
GPS	No	42
Max battery GPS	No	170

Source1Maker product pagepolar.com/en/street-xRead 15 October 2026Tech specs: performance training mode 42 h, eco training mode 170 h, smartwatch mode 10 d. The page text and the launch release say 43 h for the performance mode, which conflicts with the 42 h in the tech specs and the manual. The manual figure is stored.3Owner's manualsupport.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/technical-specifications.htmRead 15 October 2026Performance training mode up to 42 h (optical heart rate on, GPS recording every second). Eco training mode up to 170 h (GPS every 2 minutes, optical heart rate off). Smartwatch mode up to 10 days with continuous heart rate and phone notifications on. 10 days is 240 h.14Maker product pagesupport.polar.com/en/what-is-the-battery-life-of-street-xRead 15 October 2026Performance up to 42 h: optical heart rate on, GPS every 1 second, always-on display off. The scenario text says Dual-Frequency GPS ON, while the product page never claims dual-frequency GNSS and the5krunner says single-frequency, so the row is stored as plain GPS. Eco up to 170 h: optical heart rate off, single-frequency GPS every 2 minutes. Smartwatch up to 10 days with phone notifications on, always-on display off and Do Not Disturb 8 h at night. Stored eco row as the maximum-saving GPS mode, like the Vantage V3 file.

Smartwatch mode (claimed)iMaker normal-use smartwatch claim without solar. A watch with only an explicit AOD-mode claim has no value here. Workloads differ and source notes must be read.

312h=CalculatedFrom Claimed battery life

240h=CalculatedFrom Claimed battery life

AOD battery life (up to)iMaker claimed smartwatch endurance with the always-on display enabled and without solar, for the base case. Source notes preserve workload and case conditions. This is a claim, not a measured test or an AOD-off estimate.

120h=CalculatedFrom Claimed battery life

Not available

GPS mode (claimed)iMaker regular GPS/GNSS activity claim without solar, for the base case. AOD, multi-band, music and power-saving conditions have separate rows when published.

20h=CalculatedFrom Claimed battery life

42h=CalculatedFrom Claimed battery life

Solar chargingiPublished solar charging hardware capability. An ordinary battery estimate without solar augmentation does not prove that the watch lacks solar charging hardware.

Not available

Not available

Charging methodiThe connection at the watch, not the cable end at the USB adapter. A proprietary inductive puck is not Qi unless interoperability is explicitly established.

Proprietary plug1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026Garmin proprietary plug charger. The cable has a USB-C end. The watch port is Garmin's own.

Magnetic pins1Maker product pagepolar.com/en/street-xRead 15 October 2026Tech specs: USB cable Proprietary / USB-C. The cable snaps on magnetically (manual).

Charging guidanceiPublished charging requirements, nominal estimates and compatibility guidance. Keep adapter ratings separate from power accepted by the watch.

Not available

Charge with the included Polar Charge 2.0 cable, which snaps on magnetically. A USB power adapter is not included. Polar asks for an adapter marked output 5 Vdc that provides at least 500 mA and has an approval mark such as LPS, UL listed or CE. The watch can charge during training. An optional charge limit of 80% is in the battery settings.6Owner's manualsupport.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/batteries.htmRead 15 October 2026Charging the battery: custom cable snaps in magnetically. A USB power adapter is not included. Adapter marked output 5 Vdc, at least 500 mA, LPS, UL listed or CE. Charging during training is possible. Charge limit 80% in Settings > General settings > Battery.

Max charging power (watch)iPublished maximum charging power at the watch. Adapter rating or charger input power does not prove the power accepted by the watch.

Not available

Not available

Fast chargingiAn explicit fast-charging capability claim. A short charging time or high adapter wattage alone does not qualify.

Not available

Not available

Quick charge claimiMaker claim for usage from a short charge. Source notes identify the usage workload, such as normal use or sleep tracking.

Not available

Not available

Charge 0 to 80% (claimed)iMaker claim for charging an empty battery to 80%. Charger and approximate qualifiers belong in source notes.

Not available

Not available

Full charge time (claimed)iMaker advertised nominal full-charge duration. Approximate or theoretical maker estimates are allowed, with their conditions in source notes. Partial-charge intervals do not qualify. Measured 0 to 100% tests have a separate field.

Not available

Not available

Measured

2 of 4 differ

Peak brightness (measured)iReviewer measurement. Source notes state screen area, mode and ambient light. A small-area peak claim cannot be replaced with a full-screen measurement.

Not available

Not available

Battery life (measured)iReviewer-observed mixed-use endurance. Source notes state case size, AOD, workout use and whether it was a complete discharge. Extrapolation from partial discharge is excluded.

94h18Measurementfrandroid.com/marques/garmin/1669051_test-de-la-garmin-forerunner-265-une-excellente-montre-de-sport-mais-pas-sans-defautsRead 7 October 2026Actual regular 46 mm Forerunner 265, not 265S. Review comparison cycle starts both watches at 100 percent and runs 265 until it shuts down after 94 hours. Same stated settings: all-day SpO2, AOD from 09:00 to 23:00, multi-GNSS/multi-band, total 3 h 09 min running GPS. Standard sleep/night setting is not separately specified, firmware and brightness are unstated. Complete discharge, not a projection from percentage loss. Six represented SKUs share the same 46 mm electronics/display/battery and differ in colour and regional bundle. Article March 2023 test, no promise that current firmware reproduces it.

Not available

Battery tests (measured)iReviewer-observed endurance, with case size and test settings in source notes. Partial-discharge projections are not stored as measured endurance.

AGarmin Forerunner 265

Test	Hours (h)
Mixed use, always-on	94

Source18Measurementfrandroid.com/marques/garmin/1669051_test-de-la-garmin-forerunner-265-une-excellente-montre-de-sport-mais-pas-sans-defautsRead 7 October 2026Actual regular 46 mm Forerunner 265, not 265S. Review comparison cycle starts both watches at 100 percent and runs 265 until it shuts down after 94 hours. Same stated settings: all-day SpO2, AOD from 09:00 to 23:00, multi-GNSS/multi-band, total 3 h 09 min running GPS. Standard sleep/night setting is not separately specified, firmware and brightness are unstated. Complete discharge, not a projection from percentage loss. Six represented SKUs share the same 46 mm electronics/display/battery and differ in colour and regional bundle. Article March 2023 test, no promise that current firmware reproduces it. Enum mixed_use_always_on reflects active daily AOD schedule. It does not mean every night pixel remains on.

BPolar Street X

Not available

Full charge time (measured)iReviewer measurement from empty to full, not 0-80% or a charge from 5%. Source notes name the charger and case size.

Not available

Not available

Strap

3 of 6 differ

Lug widthiDistance between standard strap attachment lugs, not the decorative width of a proprietary strap. Unknown for custom connectors unless the maker publishes lug width.

22mm1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026Quick Release bands yes (22 mm, industry standard).

22mm7Owner's manualsupport.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/changeable-wristband.htmRead 15 October 2026Compatible with standard 22 mm wristbands, no adapters needed.

Quick-release strapiThe supplied strap can be detached through its quick-release mechanism. Compatibility with quick-release replacement straps alone does not qualify.

Yes1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026

Yes7Owner's manualsupport.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/changeable-wristband.htmRead 15 October 2026To detach a band, pull the quick-release knob inwards.

Strap systemiPublished attachment system and compatible case sizes. Proprietary connectors are distinguished from standard spring bars.

Industry-standard 22 mm quick release bands1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026

Standard 22 mm spring bars with a quick-release knob. No adapters needed7Owner's manualsupport.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/changeable-wristband.htmRead 15 October 2026Standard 22 mm spring bars. Any band that uses 22 mm spring bars fits.

Strap materialiMaterial of the supplied strap for the stated package. Do not substitute material from another band sold separately.

Silicone1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026

Silicone3Owner's manualsupport.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/technical-specifications.htmRead 15 October 2026Wristband: silicone, aluminum buckle, stainless steel spring bars.

Strap

Black/Powder Gray Silicone Band1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026Exact maker SKU variation phrase names supplied Black/Powder Gray Silicone Band. Whitestone/Tidal Blue and Aqua/Black bands explicitly override it in corresponding rows, including international copies. Strap labels kept from actual maker product names, not replacement bands.

POLAR Street Wristband, 22mm1Maker product pagepolar.com/en/street-xRead 15 October 2026What's included: POLAR Street Wristband, 22mm.

Strap sizesiPublished wrist-circumference range for the stated strap or case. Source notes distinguish an overall compatible wrist range from one supplied strap size.

AGarmin Forerunner 265

Wrist (min) (mm)	Wrist (max) (mm)
135	205

Source1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026Fits wrists with a circumference of 135-205 mm with the supplied silicone band.

BPolar Street X

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Regulatory

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FCC ID

IPH-0445213Regulatory filingfccid.io/IPH-04452Read 7 October 2026Exact portable-transceiver FCC ID IPH-04452, hardware model A04452. Maker UK declaration explicitly maps A04452 to Forerunner 265 and A04453 to 265S, which is excluded. Same 46 mm watch hardware across represented coloured/global SKUs, not the smaller body.23Regulatory filingfcc.report/FCC-ID/IPH-04452/6306518.pdfRead 7 October 2026Actual certificate first page expressly FCC IPH-04452 and A04452, mapped to regular Forerunner 265 by maker UK declaration.

INW6J16Regulatory filingsupport.polar.com/e_manuals/Regulatory_information/enote-rf-street-x.pdfRead 15 October 2026Model number 6J, FCC ID INW6J, IC 6248A-6J.

SAR limb (US)iPublished limb/wrist SAR for the stated base regional model under the US regime. Other case sizes or radio versions can differ. Head or body SAR is excluded.

0.96W/kg13Regulatory filingfccid.io/IPH-04452Read 7 October 2026Exact FCC grant highest 10 g extremity exposure 0.96 W/kg. Other radio grant 0.29 is smaller. Wrist/limb only, no torso/head substitution. Separation distance not stated in grant summary. EUlimb 0.91 uses different regulatory scope and remains separate.23Regulatory filingfcc.report/FCC-ID/IPH-04452/6306518.pdfRead 7 October 2026Actual SAR certificate first page reports maximum stand-alone SAR 0.96 W/kg with separation 0 mm, portable transmitter next to extremity. FCC grant explicitly identifies 10g extremity highest 0.96 versus separate radio-specific 0.29. SAR.20221106 Revision A tests November 14-16, 2022, engineering sample explicitly same as production. EU manual 0.91 limb and 1.27 torso remain distinct regulatory claims.

Not available

SAR limb (EU)iPublished limb/wrist SAR for the stated base regional model under the EU regime. Other case sizes or radio versions can differ. Head or body SAR is excluded.

0.91W/kg6Owner's manualwww8.garmin.com/manuals/webhelp/GUID-F41EAFB3-6CC9-42DE-9C6C-9E358DBB0671/EN-US/Forerunner_265_OM_EN-US.pdfRead 7 October 2026Specifications p.107 EU SAR, Forerunner 265: torso 1.27 W/kg, limb 0.91 W/kg. Only limb retained. 265S limb 0.85 excluded. EU method explicitly named, tissue mass and separation not stated by manual. Physical 46 mm A04452 model, same coloured cases.

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Other certifications

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In the box

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In the box

USB-C charging/data cable, Documentation1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026Maker supplied inventory gives USB-C charging/data cable and Documentation. Watch itself excluded under accessories-only field help. No power adapter in standard box.

POLAR Street X, POLAR Street Wristband, 22mm, Polar Charge 2.01Maker product pagepolar.com/en/street-xRead 15 October 2026What's included: POLAR Street X, POLAR Street Wristband 22 mm, Polar Charge 2.0.

Power adapter in boxiA mains/USB power adapter is supplied. A charging cable, inductive puck or charging dock alone does not count.

No1Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026

No1Maker product pagepolar.com/en/street-xRead 15 October 2026The box has the watch, the wristband and the Polar Charge 2.0 cable. No power adapter is listed.

Links

Not compared

Product page

www.garmin.com/en-US/p/pn/010-02810-001Maker product pagegarmin.com/en-US/p/pn/010-02810-00Read 7 October 2026Public product HTML embeds the specs, In the Box tab and exact SKU data in GarminAppBootstrap. Plain curl returned 200. No login or bot check was bypassed. The 42 mm Forerunner 265S options on the same page (010-02810-03/04/05 in the US, -13/14/15 elsewhere, product 886689) are a separately named model and are excluded.

www.polar.com/en/street-x1Maker product pagepolar.com/en/street-xRead 15 October 2026The maker's product page.

Spec sheet

pms-public.1ntersport.com/4-productattachments/at/iat.garmin.01002810.pdf2Maker spec sheet (PDF)pms-public.1ntersport.com/4-productattachments/at/iat.garmin.01002810.pdfRead 7 October 2026Garmin German six-page datasheet for the Forerunner 265 | 265S, hosted by a retailer. Its comparison table still lists the Forerunner 255 and 965, so it dates from the 2023 launch.

support.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/technical-specifications.htm3Owner's manualsupport.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/technical-specifications.htmRead 15 October 2026Street X user manual technical specification page.

Manual

www8.garmin.com/manuals/webhelp/GUID-F41EAFB3-6CC9-42DE-9C6C-9E358DBB0671/EN-US/Forerunner_265_OM_EN-US.pdf6Owner's manualwww8.garmin.com/manuals/webhelp/GUID-F41EAFB3-6CC9-42DE-9C6C-9E358DBB0671/EN-US/Forerunner_265_OM_EN-US.pdfRead 7 October 2026Original maker Forerunner 265 Series Watch Owner's Manual, June 2025 revision 9. Exact Forerunner 265 columns read. Separate 265S values are excluded.

support.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/introduction.htm4Owner's manualsupport.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/introduction.htmRead 15 October 2026Polar Street X user manual, introduction.

EPREL registration numberiId in the EU energy label database. Each size or model of a series has its own id, so it is per variant.

Not available

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Warranty

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Manufacturer warranty (source market)iThe maker's warranty period for the exact SKU or configuration and market named in the source note. It applies only to that stated market, not every regional variant. Statutory consumer rights are excluded. The base term is stored. An extension that needs registration goes in the source note.

1year7Maker product pagegarmin.com/en-US/legal/consumer-limited-warrantyRead 7 October 2026Current US consumer limited warranty revised December 30, 2025: non-aviation products warranted against defects for one year from purchase. Source market US, covering base US 010-02810-00 watch. International statutory or regional guarantees are not represented as identical. Public HTML embeds the complete legal text in var content. read directly without browser or login.

2years12Owner's manualsupport.polar.com/e_manuals/street-x/polar-street-x-user-manual-english/guarantee.htmRead 15 October 2026Limited International Polar Guarantee: two years from the date of purchase. Silicone or plastic wristbands one year.

Both are also in the API. Back to all smartwatches.