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Garmin Enduro 4 vs Garmin fēnix 8 AMOLED

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Product A: Garmin

Enduro 4

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B

Product B: Garmin

fēnix 8 AMOLED

87 of 150 known

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Only differences

AGarmin Enduro 4

BGarmin fēnix 8 AMOLED

General

7 of 10 differ

Series

Enduro1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026

fēnix8Press releasegarmin.com/en-US/newsroom/press-release/outdoor/garmin-adds-amoled-displays-to-fenix-8-series-its-most-capable-lineup-of-premium-multisport-gps-smartwatches-with-something-for-everyoneRead 30 September 2026

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

010-04799-00, 010-04799-01, A044131Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026US store SKU 010-04799-00, the only SKU on the US page. The UK and Germany pages sell 010-04799-01. Model number A04413 comes from the manual.4Owner's manualwww8.garmin.com/manuals/webhelp/GUID-25EFCCBC-D0EB-4E1B-AE9F-B4B900891C20/EN-US/Enduro_4_OM_EN-US.pdfRead 14 October 2026Specifications, printed page 126: M/N A04413.

010-02903-00, 010-02903-10, 010-02903-20, 010-02903-11, 010-02903-21, 010-02904-00, 010-02904-10, 010-02904-20, 010-02904-11, 010-02904-21, 010-02905-00, 010-02905-10, 010-02905-20, 010-02905-11, 010-02905-21, 010-02903-40, 010-02904-40, 010-02905-40, A04805, A04806, A048081Maker product pagegarmin.com/en-US/p/1228493Read 30 September 20262Maker product pagegarmin.com/en-US/p/1228429Read 30 September 20263Maker product pagegarmin.com/en-US/p/1228171Read 30 September 20264Maker product pagegarmin.com/en-GB/p/1228429Read 30 September 2026UK part numbers -11, -21 and -40 editions, plus 010-02904-00. The -40 editions (leather band or titanium bracelet) have no variant row, since their weight with strap is not published6Owner's manualwww8.garmin.com/manuals/webhelp/GUID-EECCAC99-90D6-4AB1-9A3A-EC433D3365E2/EN-US/GUID-0E0E1DD5-ABF5-4077-BA54-08D42C24353E.htmlRead 30 September 2026fenix 8 AMOLED M/N A04805, A04806 and A04808. Which M/N belongs to which case size was not found

GTIN / EAN

07537593825068Retailer pagevaruste.net/en/p147052/garmin-enduro-4Read 14 October 2026Finnish retailer lists bar code 0753759382506 for product code 010-04799-01 (UK and EU SKU). The check digit is valid. The GTIN of the US SKU 010-04799-00 is not found.

753759337971, 75375933810710Retailer pageabt.com/Garmin-fenix-8-Smartwatch-43mm-AMOLED-in-Silver-with-Whitestone-Silicone-Band-0100290300/p/211053.htmlRead 30 September 2026UPC 753759337971 for 010-02903-0011Retailer pageabt.com/Garmin-fenix-8-Smartwatch-47mm-AMOLED-Sapphire-in-Carbon-Gray-DLC-Titanium-with-Black-Silicone-Band-0100290420/p/211048.htmlRead 30 September 2026UPC 753759338107 for 010-02904-20

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

6 October 20265Press releasegarmin.com/en-US/newsroom/press-release/outdoor/enduro-4-smartwatch-redefines-ultraperformance-with-extreme-battery-life-and-advanced-training-featuresRead 14 October 2026Garmin release dated 6 October 2026.

27 August 20248Press releasegarmin.com/en-US/newsroom/press-release/outdoor/garmin-adds-amoled-displays-to-fenix-8-series-its-most-capable-lineup-of-premium-multisport-gps-smartwatches-with-something-for-everyoneRead 30 September 2026

Status

Available1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026US page shows the watch as sellable with Available to ship in 1-3 business days.

Available1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026On sale on the date accessed

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

Not available

Garmin fēnix 7 Pro14Reviewtech.yahoo.com/general/articles/garmin-fenix-8-release-date-090002094.htmlRead 23 October 2026Tom's Guide, syndicated on Yahoo Tech, says the Fenix 8 is the follow up to the Fenix 7 and Fenix 7 Pro.

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.

Not available

Garmin fēnix 99Reviewdcrainmaker.com/2024/08/garmin-fenix-8-in-depth-review.htmlRead 30 September 2026DC Rainmaker's Fenix 8 review carries a note saying it has been replaced by the Garmin Fenix 9 AMOLED.15Reviewnotebookcheck.net/Garmin-releases-new-high-end-smartwatch-globally-with-brighter-AMOLED-display-and-29-days-battery-life.1378019.0.htmlRead 23 October 2026Notebookcheck says the Fenix 9 directly replaces the Fenix 8.

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

$899.991Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026List price $899.99 USD on the US page, the same as the launch release. Sales tax is not included.5Press releasegarmin.com/en-US/newsroom/press-release/outdoor/enduro-4-smartwatch-redefines-ultraperformance-with-extreme-battery-life-and-advanced-training-featuresRead 14 October 2026Suggested retail price $899.99. US sales tax is not stated.

$999.998Press releasegarmin.com/en-US/newsroom/press-release/outdoor/garmin-adds-amoled-displays-to-fenix-8-series-its-most-capable-lineup-of-premium-multisport-gps-smartwatches-with-something-for-everyoneRead 30 September 2026Suggested retail prices start at $999.99

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.

€899.993Maker product pagegarmin.com/de-DE/p/2032078/pn/010-04799-01Read 14 October 2026Garmin Germany store list price 899,99 EUR for SKU 010-04799-01. EUR prices include VAT. This is the maker's current list price eight days after launch. The launch release names no euro price.

Not available

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

US, GB, DE1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026US, GB and DE store pages sell the watch.

US, GB, DE, EU1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 20264Maker product pagegarmin.com/en-GB/p/1228429Read 30 September 20265Maker product pagegarmin.com/de-DE/p/1228429Read 30 September 2026

ColoursiThe maker's own colour names

Dark Olive ComfortFit fabric band1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026In the Box lists Enduro 4 with dark olive ComfortFit fabric band. No other colour is listed.

Silver, Soft Gold, Carbon Gray DLC Titanium, Slate Gray, Titanium1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026

Segment

Outdoor1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026Garmin lists Enduro under Adventure Watches and calls it an ultraperformance GPS smartwatch.

Outdoor1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026Listed under Outdoor Recreation > Adventure Watches

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.

6 October 20282Maker product pagegarmin.com/en-GB/p/2032078/pn/010-04799-01Read 14 October 2026Specs tab, Security Information: Security updates until at least 2028-10-06. This is a minimum. The same page sells SKU 010-04799-01 at GBP 799.99.

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.

51mm1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026One size only. The specs tab states 51 x 51 x 15.7 mm.

43, 47, 51mm1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026

Case shape

Round1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026Specs tab states the display as a 1.4 inch diameter, and the watch is round.

Round1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026Round body outline observed in the exact base-SKU manufacturer figure (010-02903-00 or 010-02969-00), whose image and model caption are in the public GarminAppBootstrap.

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 polymer1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026Specs tab: case material fiber-reinforced polymer, bezel material titanium.

Fibre-reinforced polymer1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026

Case material (as published)

Fiber-reinforced polymer case with titanium bezel1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026

fiber-reinforced polymer with metal rear cover1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026Case material: fiber-reinforced polymer with metal rear cover. Bezel: stainless steel or titanium

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

Not available

metal rear cover1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026

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

Height51Width51Thickness15.7mm(2 × 2 × 0.6 in)1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026Specs tab Physical size 51 x 51 x 15.7 mm. Exclusions such as the sensor protrusion are not stated.

Height43Width43Thickness13.8mm(1.7 × 1.7 × 0.5 in)1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026

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

57g(2 oz)1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026Specs tab Weight: 66 g (case only: 57 g).

50g(1.8 oz)1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026Stainless Steel: 66 g (case only: 50 g). Titanium: 60 g (case only: 44 g). Titanium bezel comes with the sapphire lens

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

66g(2.3 oz)1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 202666 g is the total with the supplied ComfortFit fabric band. DC Rainmaker confirms the band adds 3 g to the 57 g case.6Reviewdcrainmaker.com/2026/10/garmin-enduro-4-vs-fenix9-vs-enduro3-detailed-comparison-review.htmlRead 14 October 2026The new band adds 3 g and the case weight is identical, so total weight goes from 63 g to 66 g.

66g(2.3 oz)1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026With the included silicone band

Durability

4 of 8 differ

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

10ATM1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026Specs tab Water rating 10 ATM. The manual defines it as pressure equivalent to 100 m.4Owner's manualwww8.garmin.com/manuals/webhelp/GUID-25EFCCBC-D0EB-4E1B-AE9F-B4B900891C20/EN-US/Enduro_4_OM_EN-US.pdfRead 14 October 2026Specifications, printed page 125: water rating 10 ATM, pressure equivalent to a depth of 100 m.

10ATM1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 20266Owner's manualwww8.garmin.com/manuals/webhelp/GUID-EECCAC99-90D6-4AB1-9A3A-EC433D3365E2/EN-US/GUID-0E0E1DD5-ABF5-4077-BA54-08D42C24353E.htmlRead 30 September 202610 ATM (pressure equivalent to 100 m). 4 ATM Dive (EN 13319)

Water resistance standard

Not available

Not available

Dust and water rating

Not available

Not available

Dive rating

Not available

EN 133196Owner's manualwww8.garmin.com/manuals/webhelp/GUID-EECCAC99-90D6-4AB1-9A3A-EC433D3365E2/EN-US/GUID-0E0E1DD5-ABF5-4077-BA54-08D42C24353E.htmlRead 30 September 2026

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

Not available

40m1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026Dive activity maximum operating depth: 40 meters

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

Yes8Press releasegarmin.com/en-US/newsroom/press-release/outdoor/garmin-adds-amoled-displays-to-fenix-8-series-its-most-capable-lineup-of-premium-multisport-gps-smartwatches-with-something-for-everyoneRead 30 September 2026

MIL-STD-810 tests

Not available

thermal, shock, water resistance8Press releasegarmin.com/en-US/newsroom/press-release/outdoor/garmin-adds-amoled-displays-to-fenix-8-series-its-most-capable-lineup-of-premium-multisport-gps-smartwatches-with-something-for-everyoneRead 30 September 2026tested to U.S. military standards for thermal, shock and water resistance

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

Min-20Max45°C4Owner's manualwww8.garmin.com/manuals/webhelp/GUID-25EFCCBC-D0EB-4E1B-AE9F-B4B900891C20/EN-US/Enduro_4_OM_EN-US.pdfRead 14 October 2026Specifications, printed page 125: operating and storage temperature range -20 to 45 C. The charging range of 0 to 45 C is not used.

Min-20Max45°C6Owner's manualwww8.garmin.com/manuals/webhelp/GUID-EECCAC99-90D6-4AB1-9A3A-EC433D3365E2/EN-US/GUID-0E0E1DD5-ABF5-4077-BA54-08D42C24353E.htmlRead 30 September 2026Operating and storage temperature range -20 to 45 C. Underwater 0 to 40 C

Display

7 of 14 differ

Display type

MIP1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026

OLED1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026

Display type (as published)

Sunlight-visible, transflective memory-in-pixel (MIP)1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026

AMOLED1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026

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

1.4in(3.6 cm)1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026Specs tab Display Size 1.4 inch (35.56 mm) diameter.

1.3in(3.3 cm)1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026

Resolution

280 × 280px1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026

416 × 416px1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026

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

Not available

Not available

Display area

Not available

Not available

Touchscreen

Yes1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026

Yes1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026

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

Not available

Yes1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026

Display cover

Sapphire1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026

Gorilla Glass1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026

Display cover (as published)

Power Sapphire1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026Specs tab Lens material Power Sapphire, with solar charging.

Corning® Gorilla® Glass1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026Lens material: Corning Gorilla Glass or sapphire crystal. Sapphire editions have the titanium bezel

Platform

1 of 15 differ

Platform

Proprietary1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026Garmin's own watch software. Connect IQ is the app store.

Proprietary1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026

OS at launch

Not available

Not available

Software

Not available

Not available

Latest OS

Not available

Not available

Works with

iOS, Android1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026

iOS, Android1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026

Phone requirement

Not available

Not available

App store

Yes1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026Connect IQ (downloadable watch faces, data fields and apps) with an on-device Connect IQ Store.

Yes1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026

Voice assistants

Not available

Voice Commands, Phone Assistant12Owner's manualwww8.garmin.com/manuals/webhelp/GUID-EECCAC99-90D6-4AB1-9A3A-EC433D3365E2/EN-US/fenix_8_Series_OM_EN-US.pdfRead 30 September 2026Named manual sections Using Voice Commands and Using the Phone Assistant. Phone Assistant relies on the paired smartphone.

Chipset

Not available

Not available

Process

Not available

Not available

CPU cores

Not available

Not available

CPU configuration

Not available

Not available

Max CPU clock

Not available

Not available

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.

64GB1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026Specs tab Memory/History 64 GB. This is nominal storage for maps, music and data.

32GB1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026Memory/History: 32 GB on every AMOLED size and edition

Health sensors

4 of 8 differ

Heart rate sensor

Garmin Elevate Gen 56Reviewdcrainmaker.com/2026/10/garmin-enduro-4-vs-fenix9-vs-enduro3-detailed-comparison-review.htmlRead 14 October 2026Both Enduro 4 and fenix 9 have Garmin's Elevate Gen5 optical HR sensor. Garmin's own pages say only Garmin Elevate.

Garmin Elevate Gen 513Reviewdcrainmaker.com/2025/06/garmin-forerunner-970-in-depth-review-brillance.htmlRead 30 September 2026Basics: names Elevate Gen5, then explicitly states this sensor is also found on Fenix 8. The Fenix 8 review itself does not name the generation.

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

Yes1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026Specs list the Garmin ECG app. The ECG app needs an eligible country and is for adults aged 22 and over.6Reviewdcrainmaker.com/2026/10/garmin-enduro-4-vs-fenix9-vs-enduro3-detailed-comparison-review.htmlRead 14 October 2026Both watches have medically certified ECG hardware and features.

Yes1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026

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

Yes1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026Pulse Ox blood oxygen saturation monitor. Not available in all countries.

Yes1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026

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

Yes1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026Health & Wellness Monitoring lists skin temperature.7Spec databasegadgetsandwearables.com/technical-specs/garmin-enduro-4Read 14 October 2026Skin temperature: Yes, in agreement with the Garmin spec table.

Yes1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026

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

None7Spec databasegadgetsandwearables.com/technical-specs/garmin-enduro-4Read 14 October 2026Blood pressure: No. Garmin lists no blood pressure feature.

Not available

Body composition sensor

No7Spec databasegadgetsandwearables.com/technical-specs/garmin-enduro-4Read 14 October 2026Body composition: No. Garmin's complete sensor list has no body composition sensor.

Not available

Skin conductance (EDA)

No7Spec databasegadgetsandwearables.com/technical-specs/garmin-enduro-4Read 14 October 2026Galvanic skin response: No. Garmin's complete sensor list has no skin conductance sensor.

Not available

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

Not available

FDA-cleared ECG app8Press releasegarmin.com/en-US/newsroom/press-release/outdoor/garmin-adds-amoled-displays-to-fenix-8-series-its-most-capable-lineup-of-premium-multisport-gps-smartwatches-with-something-for-everyoneRead 30 September 2026ECG app, an FDA-cleared app. Not available in all regions

Motion and environment sensors

2 of 9 differ

Accelerometer

Yes1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026

Yes1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026

Accelerometer range

Not available

Not available

Gyroscope

Yes1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026

Yes1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026

Barometric altimeter

Yes1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026

Yes1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026

Compass

Yes1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026

Yes1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026

Ambient light sensor

Yes1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026

Yes1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026

Depth gauge

No6Reviewdcrainmaker.com/2026/10/garmin-enduro-4-vs-fenix9-vs-enduro3-detailed-comparison-review.htmlRead 14 October 2026The fenix 9 series has a depth gauge. The Enduro 4 does not.

Yes1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026

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

Not available

40m1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026Depth sensor: yes (to 40 m)

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, ECG app, Blood oxygen app, Heart rate variability, Sleep tracking, Sleep stages, Stress tracking, Readiness score, Cycle tracking1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026Heart rate every second, abnormal heart rate alerts (high and low), ECG app, Pulse Ox, HRV status, sleep score with sleep stages, all-day stress, training readiness and women's health. Breathing variations during sleep are not a sleep apnea notification, so that option is not stored.

Continuous heart rate, Heart rate alerts, ECG app, Blood oxygen app, Heart rate variability, Sleep tracking, Stress tracking, Readiness score, Cycle tracking1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026Exact current table confirms past ovulation estimates but does not establish temperature-based input. That more-specific option is removed. Other health features have exact yes cells.

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, Turn-by-turn navigation, Trackback, Climb detection, Golf courses, Ski resort maps1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026Spec table lists VO2 max, training load, recovery time, running dynamics, running power, pool and open-water swim metrics, automatic rep counting, improved intervals, courses with turn-by-turn directions, TracBack, ClimbPro and trail run auto climb, 43,000 preloaded golf courses and preloaded ski resort maps. Move IQ is listed without a description, so automatic workout detection is not stored. More than 100 activity profiles is not an exact count.

VO2 max, Training load, Recovery advice, Running dynamics, Running power, Pool swim, Open water swim, Strength rep counting, Interval workouts, Route navigation, Turn-by-turn navigation, Trackback, Climb detection, Golf courses1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026VO2 max, training load, recovery time, running dynamics, running power, pool and open-water swim, automatic rep counting, interval training, course guidance, TracBack, ClimbPro, 43,000 golf courses. Turn-by-turn from the press release8Press releasegarmin.com/en-US/newsroom/press-release/outdoor/garmin-adds-amoled-displays-to-fenix-8-series-its-most-capable-lineup-of-premium-multisport-gps-smartwatches-with-something-for-everyoneRead 30 September 2026get turn-by-turn directions

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

Snorkel, Scuba, single gas, Freedive1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026Dive: Scuba Diving (single gas), Apnea Diving. Snorkeling under On the water. Gas mixes: Air, Nitrox (21-40% Oxygen)

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/2032078/pn/010-04799-00Read 14 October 2026Spec table lists HRM running pace and distance, Vector and Rally power meters, speed and cadence sensors, foot pod capable and smart trainer control. The manual lists the same sensor types. Metrics that need an accessory are not built-in sensors.

Heart rate strap, Power meter, Speed and cadence, Foot pod, Smart trainer1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026

Safety

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

No4Owner's manualwww8.garmin.com/manuals/webhelp/GUID-25EFCCBC-D0EB-4E1B-AE9F-B4B900891C20/EN-US/Enduro_4_OM_EN-US.pdfRead 14 October 2026Printed pages 109 and 110: incident detection is available only for certain outdoor activities. This is not general fall detection.

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/2032078/pn/010-04799-00Read 14 October 2026Assistance row. The watch sends a message with a live location link to preset contacts through the paired phone. It does not call emergency services.4Owner's manualwww8.garmin.com/manuals/webhelp/GUID-25EFCCBC-D0EB-4E1B-AE9F-B4B900891C20/EN-US/Enduro_4_OM_EN-US.pdfRead 14 October 2026Printed pages 109 and 110: holding the upper-left button for five seconds sends an assistance message with a LiveTrack link and GPS location to assistance contacts. It needs the paired phone with a data plan. The manual says Garmin Connect does not contact emergency services.

Yes1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026Safety and Tracking > Assistance. Sends an alert to preset personal emergency contacts through a paired phone. It does not call emergency services.

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.

Yes1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026Live event sharing and LiveTrack through the paired phone.4Owner's manualwww8.garmin.com/manuals/webhelp/GUID-25EFCCBC-D0EB-4E1B-AE9F-B4B900891C20/EN-US/Enduro_4_OM_EN-US.pdfRead 14 October 2026Printed page 109: LiveTrack sends a web page link to friends and family. Live Event Sharing needs a compatible Android phone.

Yes1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026Live event sharing: yes8Press releasegarmin.com/en-US/newsroom/press-release/outdoor/garmin-adds-amoled-displays-to-fenix-8-series-its-most-capable-lineup-of-premium-multisport-gps-smartwatches-with-something-for-everyoneRead 30 September 2026incident detection, assistance and LiveTrack

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

Yes1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026LED flashlight in the highlights. The press release says white and red light.5Press releasegarmin.com/en-US/newsroom/press-release/outdoor/enduro-4-smartwatch-redefines-ultraperformance-with-extreme-battery-life-and-advanced-training-featuresRead 14 October 2026Integrated LED flashlight with white and red light options.

Yes1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026

Positioning

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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/2032078/pn/010-04799-00Read 14 October 2026Sensors list GPS, GLONASS, Galileo, QZSS and BeiDou with SatIQ. Frequency bands per system are not listed.

GPS, GLONASS, Galileo, QZSS, BeiDou1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026

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

Yes1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026Highlights list Multi-band GPS.

Yes1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026

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

Yes1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026Built-in mapping with preloaded road and trail maps and downloadable cartography support.

Yes1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026Preloaded road and trail maps on Sapphire editions only. Downloadable cartography on all

Connectivity

5 of 15 differ

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

Yes1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026Connectivity row lists Bluetooth, ANT+ and Wi-Fi. No Bluetooth version is published.

Not available

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.

Yes1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026Connectivity row lists Wi-Fi. No Wi-Fi standard is published.

Not available

Wi-Fi standard

Not available

Not available

Wi-Fi bands

2.4 GHz4Owner's manualwww8.garmin.com/manuals/webhelp/GUID-25EFCCBC-D0EB-4E1B-AE9F-B4B900891C20/EN-US/Enduro_4_OM_EN-US.pdfRead 14 October 2026Specifications, printed page 126: wireless frequencies list only 2400-2483.5 MHz (below 19 dBm) and 13.56 MHz. The 2.4 GHz band is the only radio band, so no 5 GHz Wi-Fi. No Wi-Fi standard is published.

Not available

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

No4Owner's manualwww8.garmin.com/manuals/webhelp/GUID-25EFCCBC-D0EB-4E1B-AE9F-B4B900891C20/EN-US/Enduro_4_OM_EN-US.pdfRead 14 October 2026The complete radio list on printed page 126 has only 2.4 GHz and 13.56 MHz, so there is no cellular radio. DC Rainmaker also says there is no LTE.

No9Reviewdcrainmaker.com/2024/08/garmin-fenix-8-in-depth-review.htmlRead 30 September 2026Reviewer explicitly states missing LTE/cellular built-in. Not inferred solely from the maker connectivity list.

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.

Yes4Owner's manualwww8.garmin.com/manuals/webhelp/GUID-25EFCCBC-D0EB-4E1B-AE9F-B4B900891C20/EN-US/Enduro_4_OM_EN-US.pdfRead 14 October 2026Printed page 126 lists 13.56 MHz, used for Garmin Pay.7Spec databasegadgetsandwearables.com/technical-specs/garmin-enduro-4Read 14 October 2026NFC / connected pay: Yes, in agreement with the manual's 13.56 MHz radio.

Yes6Owner's manualwww8.garmin.com/manuals/webhelp/GUID-EECCAC99-90D6-4AB1-9A3A-EC433D3365E2/EN-US/GUID-0E0E1DD5-ABF5-4077-BA54-08D42C24353E.htmlRead 30 September 2026Wireless frequencies list 13.56 MHz for each AMOLED model

Contactless payments

Yes1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026Garmin Pay contactless payments. Not available in all regions.

Yes1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026

Payment services

Garmin Pay1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026

Garmin Pay1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026

Ultra-wideband

No4Owner's manualwww8.garmin.com/manuals/webhelp/GUID-25EFCCBC-D0EB-4E1B-AE9F-B4B900891C20/EN-US/Enduro_4_OM_EN-US.pdfRead 14 October 2026The complete radio list on printed page 126 has only 2.4 GHz and 13.56 MHz, so there is no UWB radio. Gadgets & Wearables also lists no UWB.7Spec databasegadgetsandwearables.com/technical-specs/garmin-enduro-4Read 14 October 2026UWB: No.

Not available

Satellite

None4Owner's manualwww8.garmin.com/manuals/webhelp/GUID-25EFCCBC-D0EB-4E1B-AE9F-B4B900891C20/EN-US/Enduro_4_OM_EN-US.pdfRead 14 October 2026The complete radio list shows no satellite radio. DC Rainmaker says there is no satellite messaging.

Not available

ANT+

Yes1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026

Yes1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026

Audio

3 of 4 differ

Speaker

No6Reviewdcrainmaker.com/2026/10/garmin-enduro-4-vs-fenix9-vs-enduro3-detailed-comparison-review.htmlRead 14 October 2026Enduro 4 has a simple beeper and no speaker.7Spec databasegadgetsandwearables.com/technical-specs/garmin-enduro-4Read 14 October 2026Speakers: No.

Yes1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026

Microphones

06Reviewdcrainmaker.com/2026/10/garmin-enduro-4-vs-fenix9-vs-enduro3-detailed-comparison-review.htmlRead 14 October 2026Enduro 4 has no microphone.7Spec databasegadgetsandwearables.com/technical-specs/garmin-enduro-4Read 14 October 2026Microphone: No.

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.

None4Owner's manualwww8.garmin.com/manuals/webhelp/GUID-25EFCCBC-D0EB-4E1B-AE9F-B4B900891C20/EN-US/Enduro_4_OM_EN-US.pdfRead 14 October 2026Printed page 88: the watch shows an incoming call, but to talk to the caller you must use your connected phone. Gadgets & Wearables and DC Rainmaker also say there is no calling on the watch.6Reviewdcrainmaker.com/2026/10/garmin-enduro-4-vs-fenix9-vs-enduro3-detailed-comparison-review.htmlRead 14 October 2026Voice control and calling features need a microphone, which the Enduro 4 does not have.

Phone only1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026Make calls and send texts via voice, with a paired phone

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/2032078/pn/010-04799-00Read 14 October 2026Music storage in the highlights. Spotify, Deezer or Amazon Music playlists can be downloaded, subscription may be required.

Yes1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026

Controls

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

54Owner's manualwww8.garmin.com/manuals/webhelp/GUID-25EFCCBC-D0EB-4E1B-AE9F-B4B900891C20/EN-US/Enduro_4_OM_EN-US.pdfRead 14 October 2026Button Functions, printed pages 6 and 7: five numbered push buttons plus the touchscreen.

59Reviewdcrainmaker.com/2024/08/garmin-fenix-8-in-depth-review.htmlRead 30 September 20265 buttons as well as a touchscreen

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

Upper-left button, Middle-left button, Lower-left button, Upper-right button, Lower-right button4Owner's manualwww8.garmin.com/manuals/webhelp/GUID-25EFCCBC-D0EB-4E1B-AE9F-B4B900891C20/EN-US/Enduro_4_OM_EN-US.pdfRead 14 October 2026Button Functions: Upper-left, Middle-left, Lower-left, Upper-right and Lower-right button.

Upper-left button, Middle-left button, Lower-left button, Upper-right button, Lower-right button12Owner's manualwww8.garmin.com/manuals/webhelp/GUID-EECCAC99-90D6-4AB1-9A3A-EC433D3365E2/EN-US/fenix_8_Series_OM_EN-US.pdfRead 30 September 2026Introduction > Button Functions, printed pages 6-7. These are the manual-published control names, not invented LIGHT/UP/BACK-LAP labels.

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

None4Owner's manualwww8.garmin.com/manuals/webhelp/GUID-25EFCCBC-D0EB-4E1B-AE9F-B4B900891C20/EN-US/Enduro_4_OM_EN-US.pdfRead 14 October 2026The button and touchscreen overview shows only push buttons and no crown.

None12Owner's manualwww8.garmin.com/manuals/webhelp/GUID-EECCAC99-90D6-4AB1-9A3A-EC433D3365E2/EN-US/fenix_8_Series_OM_EN-US.pdfRead 30 September 2026Device overview shows five control buttons with no rotating crown.

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

None4Owner's manualwww8.garmin.com/manuals/webhelp/GUID-25EFCCBC-D0EB-4E1B-AE9F-B4B900891C20/EN-US/Enduro_4_OM_EN-US.pdfRead 14 October 2026The button and touchscreen overview shows no rotating bezel.

Not available

Gestures

Not available

Not available

Battery and charging

6 of 13 differ

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

Not available

Not available

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 Enduro 4

Mode	With solar	Hours (h)
Smartwatch	No	864
Smartwatch	Yes	2,160
Low power	No	2,208
GPS, automatic system selection	No	80
GPS, automatic system selection	Yes	144
GPS, automatic system selection with music	No	22
GPS, automatic system selection with music	Yes	25
Max battery GPS	No	210
Extended GPS workout	No	120
Extended GPS workout	Yes	320
Expedition	No	1,848

Source1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026Current US battery table, also in the manual. Days are converted to hours exactly. Normal activity mode with SatIQ is stored as automatic system selection. Solar rows follow the page footnotes: smartwatch and low power modes assume all-day wear with 3 hours per day outside in 50,000 lux, activity modes assume use in 50,000 lux. Rows that read unlimited with solar have no number and are not stored. Max Accuracy (60 h, 90 h with solar) is not stored because no option fits and Garmin does not say which GNSS bands it uses.4Owner's manualwww8.garmin.com/manuals/webhelp/GUID-25EFCCBC-D0EB-4E1B-AE9F-B4B900891C20/EN-US/Enduro_4_OM_EN-US.pdfRead 14 October 2026Battery Information, printed page 126. It matches the US page. Normal or Balanced power mode, Max Battery, Extended and Max Accuracy are the manual's names. The satellite settings text says every satellite mode uses SatIQ to select satellite systems dynamically.

BGarmin fēnix 8 AMOLED

Mode	With solar	Hours (h)
Smartwatch	No	240
Always-on	No	96
Low power	No	360
GPS	No	28
GPS, always-on display	No	22
GPS, all systems	No	23
GPS, all systems, always-on display	No	18
GPS, dual-band	No	21
GPS, dual-band, always-on display	No	16
GPS, all systems with music	No	6
Max battery GPS	No	49
Expedition	No	240

Source7Owner's manualwww8.garmin.com/manuals/webhelp/GUID-EECCAC99-90D6-4AB1-9A3A-EC433D3365E2/EN-US/GUID-40B16F18-75A1-4B3E-8F1A-AB4919BC9E51.htmlRead 30 September 2026AMOLED Battery Information table: All satellite systems with music. It is distinct from GPS-only with music. Gesture/AOD have the same 6/10/18 h limits for 43/47/51 mm.

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.

864h=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.

Not available

96h=CalculatedFrom Claimed battery life

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.

Not available

28h=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.

Yes1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026Solar charging in the highlights and a Power Sapphire solar lens.

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/2032078/pn/010-04799-00Read 14 October 2026Charging method: Garmin proprietary plug charger. The USB end of the cable is not the watch port.

Proprietary plug1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026General > Charging method: Garmin proprietary plug charger. Neither magnetic pins nor USB-C at the watch.

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

Proprietary charging cable with a USB-C end. The manual says to plug the other end into a USB-C computer port or an AC adapter with a 5 W minimum power rating. The watch does not solar charge while connected to an external power source or when the battery is full.4Owner's manualwww8.garmin.com/manuals/webhelp/GUID-25EFCCBC-D0EB-4E1B-AE9F-B4B900891C20/EN-US/Enduro_4_OM_EN-US.pdfRead 14 October 2026Printed page 125: plug the cable into a USB-C computer port or AC adapter (5 W minimum power rating). The watch does not solar charge when connected to an external power source or when the battery is full.

Not available

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

1 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.

Not available

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 Enduro 4

Not available

BGarmin fēnix 8 AMOLED

Test	Hours (h)
Mixed use, always-on	144

Source9Reviewdcrainmaker.com/2024/08/garmin-fenix-8-in-depth-review.htmlRead 30 September 2026Battery Testing: observed six days on 47 mm AMOLED with AOD, 1-2 h GPS per day in SatIQ. Not the 43 mm base. Partial GPS-discharge charts are not full-duration measurements.

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

5 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.

26mm1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026QuickFit watch band compatible (26 mm).

20mm1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026

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/2032078/pn/010-04799-00Read 14 October 2026QuickFit watch band compatible. The press release says QuickFit makes swapping bands simpler.

Yes1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026

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

QuickFit 26 mm1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026QuickFit watch band compatible (26 mm).

QuickFit (20, 22 or 26 mm by case size)1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026QuickFit watch band compatible: included (20 mm on 43 mm, 22 mm on 47 mm, 26 mm on 51 mm)

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

Fabric1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026Specs tab Strap material ComfortFit. The press release calls it the ComfortFit Fabric Band.

Silicone1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026

Strap

ComfortFit Fabric Band1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026Press release name: ComfortFit Fabric Band.5Press releasegarmin.com/en-US/newsroom/press-release/outdoor/enduro-4-smartwatch-redefines-ultraperformance-with-extreme-battery-life-and-advanced-training-featuresRead 14 October 2026The ComfortFit Fabric Band is new to Enduro 4.

Not available

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 Enduro 4

Size	Wrist (min) (mm)	Wrist (max) (mm)
ComfortFit Medium	145	220

Source1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026Specs tab lists wrist circumference for ComfortFit Medium 145-220 mm. The same table lists silicone, leather and metal bands that fit the case, which are accessories and are not stored. The box contents do not name a band size.

BGarmin fēnix 8 AMOLED

Size	Wrist (min) (mm)	Wrist (max) (mm)
Silicone band	108	182
UltraFit band	108	189
Suede band	108	175
Metal band	108	180

Source1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026Fits wrists with the following circumference, per band type

Regulatory

None of 3 known

FCC ID

Not available

Not available

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.

Not available

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.

Not available

Not available

Other certifications

Not available

Not available

In the box

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In the box

Enduro 4 with dark olive ComfortFit fabric band, Charging/data cable, Documentation1Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026In the Box tab, verbatim.

fēnix 8 (43 mm, AMOLED) smartwatch, Charging/data cable, Documentation1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026

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/2032078/pn/010-04799-00Read 14 October 2026The box has a charging/data cable and documentation, with no mains or USB power adapter.

No1Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026The In the Box list has no power adapter

Links

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Product page

www.garmin.com/en-US/p/2032078/pn/010-04799-001Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026

www.garmin.com/en-US/p/12284931Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026

Spec sheet

www.garmin.com/en-US/p/2032078/pn/010-04799-001Maker product pagegarmin.com/en-US/p/2032078/pn/010-04799-00Read 14 October 2026

www.garmin.com/en-US/p/12284931Maker product pagegarmin.com/en-US/p/1228493Read 30 September 2026Specifications tab in the public GarminAppBootstrap document, exact model SKUs checked.

Manual

www8.garmin.com/manuals/webhelp/GUID-25EFCCBC-D0EB-4E1B-AE9F-B4B900891C20/EN-US/Enduro_4_OM_EN-US.pdf4Owner's manualwww8.garmin.com/manuals/webhelp/GUID-25EFCCBC-D0EB-4E1B-AE9F-B4B900891C20/EN-US/Enduro_4_OM_EN-US.pdfRead 14 October 2026Enduro 4 Owner's Manual, English (US) PDF. The link comes from the Garmin Rumors wiki page for Enduro 4. Garmin's support page was not reachable.

www8.garmin.com/manuals/webhelp/GUID-EECCAC99-90D6-4AB1-9A3A-EC433D3365E2/EN-US/fenix_8_Series_OM_EN-US.pdf7Owner's manualwww8.garmin.com/manuals/webhelp/GUID-EECCAC99-90D6-4AB1-9A3A-EC433D3365E2/EN-US/GUID-40B16F18-75A1-4B3E-8F1A-AB4919BC9E51.htmlRead 30 September 2026

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.

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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.

1year9Maker product pagegarmin.com/en-US/legal/consumer-limited-warrantyRead 14 October 2026Garmin US Consumer Limited Warranty, revised December 30, 2025: non-aviation products are warranted for one year from purchase. US scope. Statutory rights in other markets are separate.

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