Smartwatches / Compare

Apple Watch Ultra 2 vs Garmin Enduro 4

A

Product A: Apple

Watch Ultra 2

99 of 150 known

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B

Product B: Garmin

Enduro 4

89 of 150 known

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All 150 fields

Every value links to where we found it.

Only differences

AApple Watch Ultra 2

BGarmin Enduro 4

General

8 of 10 differ

Series

Apple Watch Ultra1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026

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

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

A29862Maker product pagesupport.apple.com/en-us/108056Read 5 October 2026A2986 North America/Europe/Asia Pacific. China A2987 and Hermès packages not represented.14Maker product pageapple.com/watch/cellularRead 5 October 2026

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.

GTIN / EAN

Not available

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.

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

12 September 20233Press releaseapple.com/newsroom/2023/09/apple-unveils-apple-watch-ultra-2Read 5 October 2026September 12, 2023 announcement/preorder. Actual retail separately corroborated by launch-day maker update.

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.

Status

Not available

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.

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

Apple Watch Ultra23Press articlemacrumors.com/guide/apple-watch-ultra-vs-ultra-2Read 23 October 2026MacRumors says the Apple Watch Ultra 2 replaces the first-generation Apple Watch Ultra.

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.

Apple Watch Ultra 324Press articlemacrumors.com/guide/apple-watch-ultra-2-vs-ultra-3Read 23 October 2026MacRumors says the Apple Watch Ultra 3 replaces the second-generation Apple Watch Ultra.

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.

$7993Press releaseapple.com/newsroom/2023/09/apple-unveils-apple-watch-ultra-2Read 5 October 2026Original 49 mm Natural GPS + Cellular USD 799, tax excluded. Standard original Alpine/Trail/Ocean packages, not later premium Titanium Milanese or Hermès. Black prices not inferred.

$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.

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.

€8995Press releaseapple.com/de/newsroom/2023/09/apple-unveils-apple-watch-ultra-2Read 5 October 2026Original German Natural 49 mm GPS + Cellular EUR 899 explicitly including VAT. Later premium-band and Black packages are not assigned this price.

€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.

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

US, DE3Press releaseapple.com/newsroom/2023/09/apple-unveils-apple-watch-ultra-2Read 5 October 2026Original launch expressly names US and Germany retail rollout. Regional model identities independently checked.5Press releaseapple.com/de/newsroom/2023/09/apple-unveils-apple-watch-ultra-2Read 5 October 2026Original German launch identifies actual marketed family and Germany rollout. No country inferred solely from page language.

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.

ColoursiThe maker's own colour names

Natural, Black1Maker product pagesupport.apple.com/en-us/111832Read 5 October 20262Maker product pagesupport.apple.com/en-us/108056Read 5 October 20263Press releaseapple.com/newsroom/2023/09/apple-unveils-apple-watch-ultra-2Read 5 October 2026

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.

Segment

Outdoor1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026

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.

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

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.

Case

8 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.

49mm1Maker product pagesupport.apple.com/en-us/111832Read 5 October 202649 mm single 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.

Case shape

Rectangular2Maker product pagesupport.apple.com/en-us/108056Read 5 October 2026Exact manufacturer model photos show rounded rectangular bodies. Case-size names are not screen diagonals.

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.

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.

Titanium1Maker product pagesupport.apple.com/en-us/111832Read 5 October 20262Maker product pagesupport.apple.com/en-us/108056Read 5 October 2026

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.

Case material (as published)

Grade 5 titanium1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026Exact Grade 5 titanium, distinct from the ceramic back.

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

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

Ceramic2Maker product pagesupport.apple.com/en-us/108056Read 5 October 2026Exact Ultra 2 identifies ceramic back. Sapphire front is separate.

Not available

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

Height49Width44mm(1.9 × 1.7 in)1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026Current sheet height 49 mm and width 44 mm agree with older sources. Thickness is omitted because current maker 12 mm conflicts with older exact maker 14.4 mm and review 14.5 mm, without a proved measurement exclusion.18Maker product pageapple.com/watch/compareRead 5 October 2026Maker Case row independently confirms published case height and width. Ultra 2 depth remains omitted because the current 12 mm claim differs from earlier exact maker 14.4 mm without a proved exclusion convention.

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.

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

61.4g(2.2 oz)1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026Maker case weights: Natural 61.4 g, Black 61.8 g. Source comparison Case row independently identifies case scope. No strap mass added.18Maker product pageapple.com/watch/compareRead 5 October 2026Exact selected models comparison explicitly places the same maker weights in Case rows, with bands in a separate section. This establishes case-only mass. Series 10 size/material/radio rows and Ultra 2 Natural/Black weights remain distinct.

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).

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

Not available

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.

Durability

7 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 pagesupport.apple.com/en-us/111832Read 5 October 2026100 m under ISO 22810:2010 is a pressure-resistance rating. 100 m is 10 ATM. It is not a safe dive depth.

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.

Water resistance standard

ISO 22810:20101Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026ISO 22810:2010 as published with the 100 m rating.

Not available

Dust and water rating

IP6X1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026

Not available

Dive rating

EN133191Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026

Not available

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

40m1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026Maker explicitly rated recreational scuba to 40 m with compatible third-party app. This is separate from 100 m water resistance and the sensor range.

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.

Yes1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026

Not available

MIL-STD-810 tests

Altitude, High temperature, Low temperature, Temperature shock, Immersion, Freeze with thaw, Ice and freezing rain, Shock and vibration1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026Exact listed MIL-STD-810H methods only. No claim that every method in the standard is tested.

Not available

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

Min-20Max55°C1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026On-wrist -20 to 55 degrees C. General operating 0 to 35 and dive operating 0 to 40 are distinct conditions. Storage 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.

Display

10 of 14 differ

Display type

LTPO OLED1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026

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

Display type (as published)

Always-On Retina LTPO2 OLED display1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026

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

Not available

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.

Resolution

410 × 502px1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026Exact maker pixel tuple stored in portrait orientation. 410 wide, 502 high.

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

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

326ppi1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026Explicit maker 326 ppi. No calculation from display area or unqualified review diagonal.

Not available

Display area

1,185mm²1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026Published active area 1185 square mm.

Not available

Touchscreen

Yes7Owner's manualsupport.apple.com/guide/watch/apple-watch-models-apd2054d0d5b/watchosRead 5 October 2026Maker manual directs taps and swipes on the touch display for these supported models.

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

3,000nits1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026Maker up to 3000 nits maximum. Window size and precise ambient threshold unstated. Not a reviewer measurement.

Not available

Minimum brightness

1nit1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026

Not available

Always-on display

Yes1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026

Not available

Display cover

Sapphire1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026Flat sapphire crystal for exact Ultra 2.2Maker product pagesupport.apple.com/en-us/108056Read 5 October 2026

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

Display cover (as published)

Flat sapphire crystal1Maker product pagesupport.apple.com/en-us/111832Read 5 October 20262Maker product pagesupport.apple.com/en-us/108056Read 5 October 2026

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

Platform

8 of 15 differ

Platform

watchOS1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026

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.

OS at launch

watchOS 103Press releaseapple.com/newsroom/2023/09/apple-unveils-apple-watch-ultra-2Read 5 October 2026Exact original release explicitly watchOS 10.

Not available

Software

Not available

Not available

Latest OS

watchOS 278Maker product pageapple.com/os/watchosRead 5 October 2026Current watchOS 27 explicitly supports these exact models. Latest system needs iPhone 11 or later, or SE second generation or later, with iOS 27. Original iPhone XS launch minimum is not a current-system compatibility promise.19Maker product pagesupport.apple.com/en-us/149037Read 5 October 2026Stable watchOS 27 release dated September 14, 2026. Exact-model compatibility is separately established by the current maker watchOS page. Checked October 5, 2026.

Not available

Works with

iOS1Maker product pagesupport.apple.com/en-us/111832Read 5 October 20268Maker product pageapple.com/os/watchosRead 5 October 2026

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

Phone requirement

Launch: iPhone XS or later with iOS 17. Current watchOS 27 requires iPhone 11 or later, or iPhone SE (2nd generation or later), with iOS 27.1Maker product pagesupport.apple.com/en-us/111832Read 5 October 20268Maker product pageapple.com/os/watchosRead 5 October 2026

Not available

App store

Yes3Press releaseapple.com/newsroom/2023/09/apple-unveils-apple-watch-ultra-2Read 5 October 2026Original exact release explicitly compatible third-party Oceanic+ by Huish Outdoors through App Store.15Maker spec sheet (PDF)tdsynnex.com/na/us/apple/wp-content/uploads/sites/49/2023/09/Apple-Watch-Lineup-and-Customer-Scenarios.pdfRead 5 October 2026

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.

Voice assistants

Siri1Maker product pagesupport.apple.com/en-us/111832Read 5 October 20263Press releaseapple.com/newsroom/2023/09/apple-unveils-apple-watch-ultra-2Read 5 October 2026Siri includes on-device processing for suitable basic requests. Network and later AI functionality have additional requirements.

Not available

Chipset

Apple S9 SiP1Maker product pagesupport.apple.com/en-us/111832Read 5 October 20263Press releaseapple.com/newsroom/2023/09/apple-unveils-apple-watch-ultra-2Read 5 October 2026

Not available

Process

Not available

Not available

CPU cores

21Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026Exact SiP dual-core CPU, two cores. Four Neural Engine cores are not counted as CPU cores. Clock, CPU cluster names, GPU model and process node remain unproved.

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

0 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 pagesupport.apple.com/en-us/111832Read 5 October 2026

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.

Health sensors

5 of 8 differ

Heart rate sensor

Third-generation optical heart sensor1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026

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.

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

Yes1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026Electrical heart sensor with ECG app. App requires eligible country and user age 22 or older.21Maker product pageapple.com/watchos/feature-availabilityRead 5 October 2026

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.

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

Yes1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026Exact blood-oxygen sensing/app capability. Current US software calculates and views eligible measurements on paired iPhone. Post-January 18, 2024 LW/A or LS/A hardware has additional software requirements, independently documented in current manual. No claim this is a medical diagnostic app.20Maker product pagesupport.apple.com/guide/watch/blood-oxygen-apdaf17aa5ef/watchosRead 5 October 2026Current maker guide qualifies affected US watches with part numbers ending LW/A or LS/A. Blood Oxygen measurements require the latest supported iOS and watchOS, with data analysis performed on the paired iPhone and results displayed in its Health app. This is a software and regional workflow qualification, not a different sensor claim.21Maker product pageapple.com/watchos/feature-availabilityRead 5 October 2026

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.

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

Yes1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026Wrist-temperature sensing and retrospective ovulation estimation. Not a core-body thermometer or direct medical 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.

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

Hypertension notifications9Maker product pagesupport.apple.com/en-us/123002Read 5 October 2026watchOS 26 actual release notes explicitly eligible Series 9+ and Ultra 2+ for hypertension notifications. No numerical mmHg measurement or cuff capability. Intended age 22+, no prior hypertension diagnosis and not pregnant. Country/paired-phone limits apply.21Maker product pageapple.com/watchos/feature-availabilityRead 5 October 2026

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

Body composition sensor

Not available

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

Skin conductance (EDA)

Not available

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

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

FDA 510(k) clearance for Sleep Apnea Notification Feature (US), FDA 510(k) K250507 for Hypertension Notification Feature (US)10Press releaseapple.com/newsroom/2024/09/watchos-11-is-available-todayRead 5 October 2026Actual September 16, 2024 maker release confirms FDA 510(k) sleep-apnea software clearance and exact eligible Series 9/10 and Ultra 2. US jurisdiction, not universal device certification.11Regulatory filingaccessdata.fda.gov/cdrh_docs/pdf25/K250507.pdfRead 5 October 2026FDA original K250507 Hypertension Notification Feature software cleared September 11, 2025 with administrative corrected letter September 12. Exact model eligibility separately proved by maker release notes. This is a notification algorithm, not numerical blood-pressure measurement.

Not available

Motion and environment sensors

4 of 9 differ

Accelerometer

Yes1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026

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

Accelerometer range

256G15Maker spec sheet (PDF)tdsynnex.com/na/us/apple/wp-content/uploads/sites/49/2023/09/Apple-Watch-Lineup-and-Customer-Scenarios.pdfRead 5 October 2026Original exact Ultra 2 column explicitly up to 256 g-forces.

Not available

Gyroscope

Yes1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026

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

Barometric altimeter

Not available

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

Compass

Yes1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026

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

Ambient light sensor

Yes1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026

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

Depth gauge

Yes1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026

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.

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

Yes1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026

Not available

Health and fitness

4 of 5 differ

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

Blood oxygen app, ECG app, Cycle tracking, Temperature-based ovulation, Heart rate alerts, Irregular rhythm notifications, Noise monitoring, Sleep tracking, Sleep stages, Sleep apnea notifications, Hypertension notifications1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026Exact current supported functions. Newer sleep apnea, Vitals, sleep score and hypertension notifications are separately software-qualified. Country, age and phone restrictions remain material. Maker-supported Medications, Mindfulness, Vitals and later Sleep Score have no exact enum option and are retained here only. No nearest health category is substituted.9Maker product pagesupport.apple.com/en-us/123002Read 5 October 2026Sleep score and hypertension notifications are later software. Not borrowed as original launch promises. Maker-supported Medications, Mindfulness, Vitals and later Sleep Score have no exact enum option and are retained here only. No nearest health category is substituted.10Press releaseapple.com/newsroom/2024/09/watchos-11-is-available-todayRead 5 October 2026Sleep apnea notifications for eligible adults 18+ without prior diagnosis. Vitals and training-load functions are current software additions. Ultra 2 did not launch with watchOS 11. Maker-supported Medications, Mindfulness, Vitals and later Sleep Score have no exact enum option and are retained here only. No nearest health category is substituted.20Maker product pagesupport.apple.com/guide/watch/blood-oxygen-apdaf17aa5ef/watchosRead 5 October 202621Maker product pageapple.com/watchos/feature-availabilityRead 5 October 2026Current maker availability lists independently checked for the represented US and Germany markets. ECG, Blood Oxygen, sleep apnea notifications and hypertension notifications depend on supported model, software, region and individual eligibility. The affected US Blood Oxygen workflow is qualified by the dedicated maker guide.

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.

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.

Training load, Running dynamics, Pool swim, Open water swim, Trackback1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026Exact running, cycling, hiking and swimming features. Backtrack is a route trace, while current offline map storage is separately verified. Source also publishes Race Route, Pacer, workout views, heart-rate zones, Compass waypoints, cycling FTP/power zones/cadence and SWOLF. These names lack matching enum options and are not replaced with a different feature.10Press releaseapple.com/newsroom/2024/09/watchos-11-is-available-todayRead 5 October 2026Source also publishes Race Route, Pacer, workout views, heart-rate zones, Compass waypoints, cycling FTP/power zones/cadence and SWOLF. These names lack matching enum options and are not replaced with a different feature.22Maker product pagesupport.apple.com/guide/watch/go-for-a-swim-apd09135915f/watchosRead 5 October 2026Current exact maker Watch guide explicitly names Pool Swim and Open Water Swim workouts. This supports the stored swim workout modes without inferring additional diving features.

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.

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.

Freedive3Press releaseapple.com/newsroom/2023/09/apple-unveils-apple-watch-ultra-2Read 5 October 2026Original exact Ultra 2 release explicitly freediving with updated Oceanic+. Recreational scuba to 40 m is separately proved, but single-gas versus multi-gas configuration is not published in the reopened exact sources, so no nearest scuba enum is selected. Compatible app and subscription required. Depth app alone is not a decompression computer.

Not available

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

Power meter, Speed and cadence3Press releaseapple.com/newsroom/2023/09/apple-unveils-apple-watch-ultra-2Read 5 October 2026Exact original watchOS 10 cycling paragraph explicitly Bluetooth power meters, speed sensors and cadence sensors. No ANT+ compatibility is inferred.

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.

Safety

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

Yes1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026

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.

Car crash detection

Yes1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026

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 pagesupport.apple.com/en-us/111832Read 5 October 2026

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.

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

86dB15Maker spec sheet (PDF)tdsynnex.com/na/us/apple/wp-content/uploads/sites/49/2023/09/Apple-Watch-Lineup-and-Customer-Scenarios.pdfRead 5 October 2026Exact Ultra 2 Alpine Loop scenario explicitly built-in 86-decibel siren, audibility up to 180 m. Measurement distance for 86 dB is not specified. Notebookcheck 84 dB sentence is not substituted as maker claim.

Not available

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

Not available

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.

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

Not available

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.

Positioning

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

L1 GPS, L5 GPS, GLONASS, Galileo, QZSS, BeiDou1Maker product pagesupport.apple.com/en-us/111832Read 5 October 20263Press releaseapple.com/newsroom/2023/09/apple-unveils-apple-watch-ultra-2Read 5 October 2026

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.

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

Yes1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026

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

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

Yes12Owner's manualsupport.apple.com/en-mt/guide/watch/-apd0111bf788/watchosRead 5 October 2026Current maker guide explicitly syncs downloaded offline maps to Apple Watch for use without live iPhone data. Maps must be obtained and synced in advance. Region/content availability applies. Backtrack breadcrumbs alone are not used as proof.

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.

Connectivity

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

Not available

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.

Bluetooth version

5.31Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026

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

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.

Wi-Fi standard

Wi-Fi 41Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026

Not available

Wi-Fi bands

Not available

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.

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

Yes1Maker product pagesupport.apple.com/en-us/111832Read 5 October 202614Maker product pageapple.com/watch/cellularRead 5 October 2026

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.

Network

LTE1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026Exact marketed cellular capability includes LTE and UMTS. UMTS is not mapped to HSPA enum without proof. Only LTE stored. GPS-only rows have no cellular hardware.

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.

Yes13Maker product pagesupport.apple.com/en-gb/guide/security/seccb53a35f0/webRead 5 October 2026Maker platform security explicitly says unlocked Apple Watch side-button authorization routes contactless responses through NFC controller. Exact model technical sheets independently list Apple Pay.

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.

Contactless payments

Yes13Maker product pagesupport.apple.com/en-gb/guide/security/seccb53a35f0/webRead 5 October 2026Apple Pay contactless payment capability. Eligible cards, banks and regions required. Not inferred from tablet in-app Apple Pay.

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

Payment services

Apple Pay1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026

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

Ultra-wideband

Yes1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026

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.

Satellite

Not available

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.

ANT+

Not available

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

Audio

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Speaker

Yes1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026

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.

Microphones

31Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026Exact Audio section explicitly three physical 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.

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

Cellular or phone1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026Family includes cellular and phone-linked calling. Cellular service requires supported carrier subscription. GPS-only rows require paired phone or eligible Wi-Fi calling.14Maker product pageapple.com/watch/cellularRead 5 October 2026Exact A2986 or A3001/A3003 model groups listed for US and Europe carriers. Voice calls independently of nearby iPhone need compatible activated service plan. GPS variants need phone or eligible Wi-Fi calling. No current carrier list is treated as fixed forever.

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.

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

Not available

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.

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.

21Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026Two operating push buttons, Side and customizable Action. Digital Crown and band-release buttons excluded.

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.

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

Customizable Action button, Side button1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026Exact maker names only.

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.

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

Rotating haptic1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026Digital Crown rotates with haptic feedback. It is counted in Crown, not push-button count.

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.

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

Not available

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.

Gestures

Double tap, Wrist flick7Owner's manualsupport.apple.com/guide/watch/apple-watch-models-apd2054d0d5b/watchosRead 5 October 2026Double tap supported. Wrist flick independently added with watchOS 26 on Series 9+ and Ultra 2+. Ultra 2 original double tap came with later watchOS 10.1, not launch firmware.9Maker product pagesupport.apple.com/en-us/123002Read 5 October 2026Wrist Flick supported on Series 9+ and Ultra 2+ with updated software.

Not available

Battery and charging

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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.

AApple Watch Ultra 2

Mode	With solar	Hours (h)
Smartwatch	No	36
Low power	No	72
Extended GPS workout	No	17

Source1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026Up-to 36 hours normal and 72 low power. Current 36-hour August 2024 preproduction test used 600 time checks, 180 notifications, 30 min apps and 60 min Bluetooth-music workout, including 8 h LTE and 28 h iPhone Bluetooth. Exact low-power workload is not separately published in this current footnote. Original maker 2023 lineup separately proves 17 h Outdoor Run in Low Power with full heart-rate/GPS readings, stored as Extended GPS workout with that condition. All recorded workloads use the internal battery without solar assistance. with_solar false qualifies those tests and is not an added solar-assisted runtime claim.15Maker spec sheet (PDF)tdsynnex.com/na/us/apple/wp-content/uploads/sites/49/2023/09/Apple-Watch-Lineup-and-Customer-Scenarios.pdfRead 5 October 2026Exact Ultra 2 table explicitly up to 17 h Outdoor Run workout in Low Power Mode with full heart-rate and GPS readings. Stored as Extended GPS workout and qualified, not ordinary full-power GPS or reduced-reading maximum battery mode. All recorded workloads use the internal battery without solar assistance. with_solar false qualifies those tests and is not an added solar-assisted runtime claim.

BGarmin 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.

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.

36h=CalculatedFrom Claimed battery life

864h=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

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.

Not available

Not available

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

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.

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.

Magnetic puck1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026Exact supplied proprietary magnetic fast-charge cable/puck. USB-C names adapter end. Qi compatibility is not claimed.

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.

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

Not available

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.

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.

Yes1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026

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.

60min1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026Approximate 60 min empty-to-80%, supplied magnetic fast-charge cable A2515 and Apple 20 W adapter A2305. August 2023 preproduction/prerelease tests. Adapter rating is not maximum watch charging power. No empty-to-full claim inferred.

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

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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.

2,947nits16Measurementnotebookcheck.net/Apple-Watch-Ultra-2-review-A-stunning-display.861637.0.htmlRead 5 October 2026Exact Natural 49 mm review with orange/beige Trail Loop and watchOS 10.5 measures 2947 nits with brightness sensor enabled. Screen area and ambient lux unstated. Manual brightness 1023 is separate. Approximate three-day charge interval is not a full-discharge endurance test. Ninety minutes to 95 percent is not empty-to-full.

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.

Not available

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

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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.

Not available

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

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

Yes7Owner's manualsupport.apple.com/guide/watch/apple-watch-models-apd2054d0d5b/watchosRead 5 October 2026Named band-release control and manufacturer guide slide-in band system. No standard lug width inferred from decorative strap width.16Measurementnotebookcheck.net/Apple-Watch-Ultra-2-review-A-stunning-display.861637.0.htmlRead 5 October 2026Exact supplied Trail Loop review confirms tool-free band change. Decorative 25 mm strap width is not a standard lug width.

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.

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

Not available

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

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

Not available

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.

Strap

Not available

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.

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

AApple Watch Ultra 2

Size	Wrist (min) (mm)	Wrist (max) (mm)
Overall compatible case wrist range, varies by band	130	210

Source1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026Overall compatible wrist range, dependent on chosen band, not one supplied strap size. 130 to 210 mm.

BGarmin 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.

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

1 of 2 differ

In the box

Apple Watch Ultra 2, Band, Apple Watch Magnetic Fast Charger to USB-C Cable (1 m)1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026Complete maker standard inventory: watch, Band and one-meter magnetic fast-charge USB-C cable. Strap type/material varies and is not guessed.6Maker product pagesupport.apple.com/de-de/111832Read 5 October 2026

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.

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

No1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026Mains/USB power adapter is not in complete box inventory. Supplied magnetic cable/puck is distinct from a mains adapter.

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.

Links

Not compared

Product page

support.apple.com/en-us/1118321Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026Exact Watch Ultra 2 generation, checked against original launch and identification documents. Current US header says 2024 and includes Black finish. Original manufacturer launch and actual retail coverage independently establish the Natural model in 2023. The header discrepancy is not treated as a new hardware generation. No Ultra 3 or 4 specs are transferred.

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

Spec sheet

support.apple.com/en-us/1118321Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026Complete exact-generation maker technical sheet.15Maker spec sheet (PDF)tdsynnex.com/na/us/apple/wp-content/uploads/sites/49/2023/09/Apple-Watch-Lineup-and-Customer-Scenarios.pdfRead 5 October 2026Original Apple-copyright September 2023 lineup/customer-scenarios sheet, hosted by distributor. Exact Ultra 2 column and Alpine Loop scenario kept separate from Series 9/SE.

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

Manual

support.apple.com/guide/watch/apple-watch-models-apd2054d0d5b/watchos7Owner's manualsupport.apple.com/guide/watch/apple-watch-models-apd2054d0d5b/watchosRead 5 October 2026Current original Apple Watch User Guide models chapter explicitly includes Series 10 and Ultra 2 with watchOS 27. It shows exact named controls/sensors. Older diagrams and chipset specs are not borrowed from Series 12.

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.

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

Not available

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.

1year17Maker product pageapple.com/legal/warranty/products/ios-warranty-document-us.htmlRead 5 October 2026One-year US Apple manufacturer warranty. Statutory local consumer rights are separate.

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.

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