Smartwatches / Compare

Garmin Enduro 4 vs Garmin Instinct E

A

Product A: Garmin

Enduro 4

89 of 150 known

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B

Product B: Garmin

Instinct E

85 of 150 known

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All 150 fields

Every value links to where we found it.

Only differences

AGarmin Enduro 4

BGarmin Instinct E

General

7 of 10 differ

Series

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

Instinct1Maker product pagegarmin.com/en-US/p/1315817Read 16 October 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.

010-02932-00, 010-02933-00, 010-02933-011Maker product pagegarmin.com/en-US/p/1315817Read 16 October 2026Page data lists 010-02933-00 (Black with Charcoal Band) and 010-02933-01 (Electric Lime with Electric Lime Band) for 45 mm and 010-02932-00 for 40 mm. A retailer also lists a 40 mm Electric Lime part 010-02932-01 that the Garmin US store does not sell. It is not stored.2Maker product pagegarmin.com/en-US/p/1314137/pn/010-02932-00Read 16 October 2026

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.

753759339449, 753759339463, 75375933947012Retailer pageheartratemonitorsusa.com/collections/garmin/products/garmin-instinct-e-rugged-outdoor-gps-smartwatchRead 16 October 2026Variant table gives UPC 753759339449 for 010-02932-00, 753759339463 for 010-02933-00 and 753759339470 for 010-02933-01. The playbetter Shopify variant barcodes agree for the two 45 mm colours.13Retailer pageplaybetter.com/products/garmin-instinct-eRead 16 October 2026Shopify variant barcodes: 753759339463 for 45 mm Black/Charcoal and 753759339470 for 45 mm Electric Lime.

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.

6 January 20258Press articletomsguide.com/wellness/smartwatches/the-garmin-instinct-3-just-launched-at-ces-and-its-a-rugged-and-affordable-rival-to-the-fenix-8Read 16 October 2026Published 6 January 2025 at the CES launch of the Instinct 3 series.9Reviewdcrainmaker.com/2025/01/garmin-instinct-3-series-hands-on-everything-you-need-to-know.htmlRead 16 October 2026Post dated 6 January 2025: Garmin announced the Instinct 3 series and the Instinct E.10Spec databasethe5krunner.com/specs/garmin/instinct-eRead 16 October 2026Announced 6 January 2025.

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/1315817Read 16 October 2026Both sizes show a $249.99 US price and 1 to 3 day shipping on the access date.

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

Not available

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.

Not available

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.

$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.

$299.998Press articletomsguide.com/wellness/smartwatches/the-garmin-instinct-3-just-launched-at-ces-and-its-a-rugged-and-affordable-rival-to-the-fenix-8Read 16 October 2026The article rounds the Instinct E price to $299. The exact $299.99 comes from the5krunner and a US retailer MSRP table. US prices exclude sales tax.9Reviewdcrainmaker.com/2025/01/garmin-instinct-3-series-hands-on-everything-you-need-to-know.htmlRead 16 October 2026Instinct E $299 for the 40 mm and $299 for the 45 mm, rounded.10Spec databasethe5krunner.com/specs/garmin/instinct-eRead 16 October 2026Launch price $299.99 for both sizes.12Retailer pageheartratemonitorsusa.com/collections/garmin/products/garmin-instinct-e-rugged-outdoor-gps-smartwatchRead 16 October 2026MSRP column shows $299.99 for each size and colour.

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.

€299.9914Spec databasenextpit.de/smartwatches/garmin-instinct-e-45mmRead 16 October 2026German database lists the UVP as 299,99 EUR for the 45 mm. Its 40 mm page also gives 299,99 EUR. The page gives April 2025 as market start, which conflicts with the January 2025 order date. VAT is included.

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.

US1Maker product pagegarmin.com/en-US/p/1315817Read 16 October 2026US store part numbers only.

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.

Black with Charcoal Band, Electric Lime with Electric Lime Band1Maker product pagegarmin.com/en-US/p/1315817Read 16 October 2026Maker colour labels as shown on the US store.2Maker product pagegarmin.com/en-US/p/1314137/pn/010-02932-00Read 16 October 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/1315817Read 16 October 2026Garmin sells it as a rugged GPS smartwatch in the Instinct line.

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.

40, 45mm1Maker product pagegarmin.com/en-US/p/1315817Read 16 October 20262Maker product pagegarmin.com/en-US/p/1314137/pn/010-02932-00Read 16 October 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/1315817Read 16 October 2026No text states the shape. The maker product photos show a round case outline around a square display window.

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/1315817Read 16 October 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 case and fiber-reinforced polymer bezel1Maker product pagegarmin.com/en-US/p/1315817Read 16 October 2026Specs tab: case material and bezel material are both fiber-reinforced polymer.

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

Not available

Not available

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

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.

Height40Width40Thickness13.6mm(1.6 × 1.6 × 0.5 in)1Maker product pagegarmin.com/en-US/p/1315817Read 16 October 2026Specs tab Physical size, 45 x 45 x 14.2 mm for 45 mm. The 40 mm value is on the 40 mm page. The table does not say whether the sensor bump is included.2Maker product pagegarmin.com/en-US/p/1314137/pn/010-02932-00Read 16 October 2026Specs tab Physical size 40 x 40 x 13.6 mm for the 40 mm size.

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).

Not available

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.

Not available

Durability

3 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/1315817Read 16 October 20263Owner's manualwww8.garmin.com/manuals/webhelp/GUID-D3C2D1F9-D2C0-404D-9372-7B2D57459BF8/EN-US/Instinct_E_OM_EN-US.pdfRead 16 October 2026Specifications: 10 ATM. Footnote: withstands pressure equivalent to a depth of 100 m.

Water resistance standard

Not available

Not available

Dust and water rating

Not available

Not available

Dive rating

Not available

Not available

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

Not available

Not available

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

Not available

Yes1Maker product pagegarmin.com/en-US/p/1315817Read 16 October 2026Overview: engineered to MIL-STD-810 for thermal and shock resistance. Only those two tests are named.

MIL-STD-810 tests

Not available

Thermal resistance, Shock resistance1Maker product pagegarmin.com/en-US/p/1315817Read 16 October 2026Thermal and shock resistance named in the Overview tab.

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-20Max60°C3Owner's manualwww8.garmin.com/manuals/webhelp/GUID-D3C2D1F9-D2C0-404D-9372-7B2D57459BF8/EN-US/Instinct_E_OM_EN-US.pdfRead 16 October 2026Specifications page 65: operating and storage range -20 to 60 C. The 0 to 45 C USB charging range is excluded.

Display

6 of 14 differ

Display type

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

MIP1Maker product pagegarmin.com/en-US/p/1315817Read 16 October 2026Specs tab: monochrome, sunlight-visible, transflective memory-in-pixel (MIP).

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

Monochrome, sunlight-visible, transflective memory-in-pixel (MIP)1Maker product pagegarmin.com/en-US/p/1315817Read 16 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.

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.

Not available

Resolution

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

166 × 166px1Maker product pagegarmin.com/en-US/p/1315817Read 16 October 2026Specs tab: 176 x 176 pixels for 45 mm. The page also calls the display a custom two-window design of 0.9 x 0.9 inch (23 x 23 mm), which is not a diagonal, so screen size is not stored.2Maker product pagegarmin.com/en-US/p/1314137/pn/010-02932-00Read 16 October 2026Specs tab: 166 x 166 pixels (active area) for 40 mm.

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

No1Maker product pagegarmin.com/en-US/p/1315817Read 16 October 2026The Specs tab has no touchscreen entry and the manual controls are buttons only.12Retailer pageheartratemonitorsusa.com/collections/garmin/products/garmin-instinct-e-rugged-outdoor-gps-smartwatchRead 16 October 2026Comparison table: no touchscreen, 5-button navigation.

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

Not available

Display cover

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

Other glass1Maker product pagegarmin.com/en-US/p/1315817Read 16 October 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.

Chemically Strengthened Glass1Maker product pagegarmin.com/en-US/p/1315817Read 16 October 2026

Platform

0 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/1315817Read 16 October 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/1315817Read 16 October 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/1315817Read 16 October 2026Specs tab lists Connect IQ (downloadable watch faces, data fields and apps) and the on-device Connect IQ store.

Voice assistants

Not available

Not available

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.

128 MB1Maker product pagegarmin.com/en-US/p/1315817Read 16 October 2026Specs tab Memory/History 128 MB, stored as 0.128 GB. The table does not say how much is free for the user.

Health sensors

5 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 412Retailer pageheartratemonitorsusa.com/collections/garmin/products/garmin-instinct-e-rugged-outdoor-gps-smartwatchRead 16 October 2026Comparison table names Elevate Gen 4 HR. The maker names Garmin Elevate without a generation and a Canadian retailer spec table also says Gen 4.

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.

No11Spec databasegadgetsandwearables.com/technical-specs/garmin-instinct-e-45-mmRead 16 October 2026Electrical heart rate is listed as absent. The maker sensor list names only the optical sensor and Pulse Ox.

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/1315817Read 16 October 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.

No11Spec databasegadgetsandwearables.com/technical-specs/garmin-instinct-e-45-mmRead 16 October 2026Skin temperature is not listed. The maker thermometer shows ambient temperature in the temperature glance.

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.

No11Spec databasegadgetsandwearables.com/technical-specs/garmin-instinct-e-45-mmRead 16 October 2026Galvanic skin response is listed as absent.

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

Not available

Not available

Motion and environment sensors

3 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/1315817Read 16 October 2026

Accelerometer range

Not available

Not available

Gyroscope

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

No10Spec databasethe5krunner.com/specs/garmin/instinct-eRead 16 October 2026Sensor table: gyroscope No. The maker sensor list has no gyroscope either.11Spec databasegadgetsandwearables.com/technical-specs/garmin-instinct-e-45-mmRead 16 October 2026Gyroscope listed as absent.

Barometric altimeter

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

Yes1Maker product pagegarmin.com/en-US/p/1315817Read 16 October 2026

Compass

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

Yes1Maker product pagegarmin.com/en-US/p/1315817Read 16 October 2026

Ambient light sensor

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

No11Spec databasegadgetsandwearables.com/technical-specs/garmin-instinct-e-45-mmRead 16 October 2026Ambient light sensor listed as absent. The maker sensor list has none.

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.

Not available

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

Not available

Not available

Water temperature sensor

Not available

Not available

Health and fitness

3 of 5 differ

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

Continuous heart rate, Heart rate alerts, 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, Blood oxygen app, Heart rate variability, Sleep tracking, Sleep stages, Stress tracking, Cycle tracking1Maker product pagegarmin.com/en-US/p/1315817Read 16 October 2026Specs tab: constant heart rate, high and low abnormal heart rate alerts, Pulse Ox, HRV status, advanced sleep, all-day stress and women's health in Garmin Connect. Pulse Ox is not available in every country. Sleep stages are named in the manual. Training readiness and training load are not listed.3Owner's manualwww8.garmin.com/manuals/webhelp/GUID-D3C2D1F9-D2C0-404D-9372-7B2D57459BF8/EN-US/Instinct_E_OM_EN-US.pdfRead 16 October 2026Sleep score glance shows sleep stage information. Pulse oximeter, wrist HR, HRV status and women's health are described.

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, Recovery advice, Running dynamics, Pool swim, Open water swim, Strength rep counting, Interval workouts, Route navigation, Trackback, Climb detection1Maker product pagegarmin.com/en-US/p/1315817Read 16 October 2026Specs tab: VO2 max, recovery time, running dynamics, open-water and pool swim metrics, automatic rep counting, interval training, course guidance, TracBack and trail run auto climb. Turn-by-turn directions, running power and training load are not listed.3Owner's manualwww8.garmin.com/manuals/webhelp/GUID-D3C2D1F9-D2C0-404D-9372-7B2D57459BF8/EN-US/Instinct_E_OM_EN-US.pdfRead 16 October 2026Running Dynamics: the watch has an accelerometer for five running form metrics and the sixth needs an accessory. Auto Climb detects elevation changes with the altimeter. TracBack is under Back to Start.

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

Not available

Not available

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

Not available

Not available

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

Heart rate strap, Power meter, Speed and cadence, Foot pod, Smart trainer1Maker product pagegarmin.com/en-US/p/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 pod1Maker product pagegarmin.com/en-US/p/1315817Read 16 October 2026Specs tab: ANT+ and Bluetooth, foot pod capable, speed and cadence sensor support, HR broadcast. Chest HR straps and power meters are named in the manual.3Owner's manualwww8.garmin.com/manuals/webhelp/GUID-D3C2D1F9-D2C0-404D-9372-7B2D57459BF8/EN-US/Instinct_E_OM_EN-US.pdfRead 16 October 2026Wireless Sensors table: external heart rate monitors, foot pod and speed/cadence sensors. VO2 max for cycling requires a paired power meter.

Safety

1 of 6 differ

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.

No3Owner's manualwww8.garmin.com/manuals/webhelp/GUID-D3C2D1F9-D2C0-404D-9372-7B2D57459BF8/EN-US/Instinct_E_OM_EN-US.pdfRead 16 October 2026Incident detection works only during certain outdoor activities, so it is not general fall detection. Stored false.

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/1315817Read 16 October 2026Specs tab lists Assistance. The manual says it messages preset contacts through a paired phone and does not call emergency services.3Owner's manualwww8.garmin.com/manuals/webhelp/GUID-D3C2D1F9-D2C0-404D-9372-7B2D57459BF8/EN-US/Instinct_E_OM_EN-US.pdfRead 16 October 2026Hold CTRL requests assistance. It sends a message with a LiveTrack link and GPS location to emergency contacts through a paired phone with data. It 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.

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/1315817Read 16 October 2026Specs tab lists live event sharing and the Overview names LiveTrack. A paired phone with data is needed.3Owner's manualwww8.garmin.com/manuals/webhelp/GUID-D3C2D1F9-D2C0-404D-9372-7B2D57459BF8/EN-US/Instinct_E_OM_EN-US.pdfRead 16 October 2026LiveTrack lets friends and family follow activities in real time. It needs a paired phone with data.

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.

No3Owner's manualwww8.garmin.com/manuals/webhelp/GUID-D3C2D1F9-D2C0-404D-9372-7B2D57459BF8/EN-US/Instinct_E_OM_EN-US.pdfRead 16 October 2026The flashlight screen lights the display. No LED is described.9Reviewdcrainmaker.com/2025/01/garmin-instinct-3-series-hands-on-everything-you-need-to-know.htmlRead 16 October 2026The post says the Instinct 3 has the flashlight and the Instinct E does not.11Spec databasegadgetsandwearables.com/technical-specs/garmin-instinct-e-45-mmRead 16 October 2026LED flashlight listed as absent.

Positioning

3 of 3 differ

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

GPS, GLONASS, Galileo, QZSS, BeiDou1Maker product pagegarmin.com/en-US/p/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, Galileo1Maker product pagegarmin.com/en-US/p/1315817Read 16 October 2026Specs tab Sensors lists GPS, GLONASS and Galileo.

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.

No3Owner's manualwww8.garmin.com/manuals/webhelp/GUID-D3C2D1F9-D2C0-404D-9372-7B2D57459BF8/EN-US/Instinct_E_OM_EN-US.pdfRead 16 October 2026Satellite Settings offers Off, GPS Only, All Systems and UltraTrac. No multi-band option exists. Stored false.12Retailer pageheartratemonitorsusa.com/collections/garmin/products/garmin-instinct-e-rugged-outdoor-gps-smartwatchRead 16 October 2026Comparison table: multi-GNSS, single-band.

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.

No11Spec databasegadgetsandwearables.com/technical-specs/garmin-instinct-e-45-mmRead 16 October 2026Built-in maps listed as not supported.

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.

Yes1Maker product pagegarmin.com/en-US/p/1315817Read 16 October 20264Regulatory filingstatic.garmin.com/pumac/Instinct%20E,%2045%20mm.pdfRead 16 October 2026Report names a Bluetooth Low Energy transceiver. No Bluetooth version is stated.

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.

No1Maker product pagegarmin.com/en-US/p/1315817Read 16 October 2026Specs tab Connectivity lists only Bluetooth and ANT+.10Spec databasethe5krunner.com/specs/garmin/instinct-eRead 16 October 2026Wi-Fi No.11Spec databasegadgetsandwearables.com/technical-specs/garmin-instinct-e-45-mmRead 16 October 2026

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.

No1Maker product pagegarmin.com/en-US/p/1315817Read 16 October 2026Specs tab Connectivity lists only Bluetooth and ANT+. No cellular edition is offered.11Spec databasegadgetsandwearables.com/technical-specs/garmin-instinct-e-45-mmRead 16 October 2026

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.

Not available

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.

No11Spec databasegadgetsandwearables.com/technical-specs/garmin-instinct-e-45-mmRead 16 October 2026NFC and contactless payments listed as not supported. The maker feature list has no Garmin Pay.

Payment services

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

Not available

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.

No11Spec databasegadgetsandwearables.com/technical-specs/garmin-instinct-e-45-mmRead 16 October 2026Ultra-wideband listed as not supported.

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.

None11Spec databasegadgetsandwearables.com/technical-specs/garmin-instinct-e-45-mmRead 16 October 2026No satellite SOS listed.

ANT+

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

Yes1Maker product pagegarmin.com/en-US/p/1315817Read 16 October 20264Regulatory filingstatic.garmin.com/pumac/Instinct%20E,%2045%20mm.pdfRead 16 October 2026Report names a Bluetooth Low Energy transceiver and an ANT transceiver.

Audio

1 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.

No11Spec databasegadgetsandwearables.com/technical-specs/garmin-instinct-e-45-mmRead 16 October 2026Speakers listed as absent.

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.

011Spec databasegadgetsandwearables.com/technical-specs/garmin-instinct-e-45-mmRead 16 October 2026Microphone listed as absent.

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.

None11Spec databasegadgetsandwearables.com/technical-specs/garmin-instinct-e-45-mmRead 16 October 2026Bluetooth calling listed as not supported.

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.

No10Spec databasethe5krunner.com/specs/garmin/instinct-eRead 16 October 2026Music storage No.11Spec databasegadgetsandwearables.com/technical-specs/garmin-instinct-e-45-mmRead 16 October 2026Onboard music storage listed as not supported.

Controls

2 of 5 differ

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

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.

53Owner's manualwww8.garmin.com/manuals/webhelp/GUID-D3C2D1F9-D2C0-404D-9372-7B2D57459BF8/EN-US/Instinct_E_OM_EN-US.pdfRead 16 October 2026Page 5 Buttons: LIGHT/CTRL, UP/MENU, DOWN/ABC, GPS and BACK/SET.

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.

LIGHT / CTRL, UP / MENU, DOWN / ABC, GPS, BACK / SET3Owner's manualwww8.garmin.com/manuals/webhelp/GUID-D3C2D1F9-D2C0-404D-9372-7B2D57459BF8/EN-US/Instinct_E_OM_EN-US.pdfRead 16 October 2026Page 5 button names.

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.

None3Owner's manualwww8.garmin.com/manuals/webhelp/GUID-D3C2D1F9-D2C0-404D-9372-7B2D57459BF8/EN-US/Instinct_E_OM_EN-US.pdfRead 16 October 2026The control overview shows five push buttons and no crown.14Spec databasenextpit.de/smartwatches/garmin-instinct-e-45mmRead 16 October 2026Crown: no.

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.

None3Owner's manualwww8.garmin.com/manuals/webhelp/GUID-D3C2D1F9-D2C0-404D-9372-7B2D57459BF8/EN-US/Instinct_E_OM_EN-US.pdfRead 16 October 2026The control overview shows no bezel control.

Gestures

Not available

Raise and turn wrist to wake display3Owner's manualwww8.garmin.com/manuals/webhelp/GUID-D3C2D1F9-D2C0-404D-9372-7B2D57459BF8/EN-US/Instinct_E_OM_EN-US.pdfRead 16 October 2026Changing the Screen Settings: Gesture turns on the screen by raising and turning your arm.

Battery and charging

5 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 Instinct E

Mode	With solar	Hours (h)
Smartwatch	No	336
Low power	No	840
GPS	No	21
GPS, all systems	No	14
Max battery GPS	No	43
Expedition	No	408

Source1Maker product pagegarmin.com/en-US/p/1315817Read 16 October 202645 mm column: smartwatch up to 16 days, battery saver watch mode up to 40 days, GPS up to 24 h, all satellite systems 16 h, max battery GPS up to 50 h, expedition GPS up to 20 days. Days converted exactly to hours. Maker estimates, no solar. The base row is the 40 mm size and each variant holds its own size.2Maker product pagegarmin.com/en-US/p/1314137/pn/010-02932-00Read 16 October 202640 mm column: smartwatch up to 14 days, battery saver watch mode up to 35 days, GPS up to 21 h, all satellite systems 14 h, max battery GPS up to 43 h, expedition GPS up to 17 days. Days converted exactly to hours.3Owner's manualwww8.garmin.com/manuals/webhelp/GUID-D3C2D1F9-D2C0-404D-9372-7B2D57459BF8/EN-US/Instinct_E_OM_EN-US.pdfRead 16 October 2026Pages 65 and 66 Battery Life Information table matches the product page for both sizes.

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

336h=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

21h=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.

No12Retailer pageheartratemonitorsusa.com/collections/garmin/products/garmin-instinct-e-rugged-outdoor-gps-smartwatchRead 16 October 2026Not-included list names solar charging. The maker battery table has no solar claims.

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/1315817Read 16 October 2026Specs tab: Garmin proprietary plug charger.

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.

Use the supplied proprietary charging cable with a USB-C computer port or an AC adapter rated for at least 5 W. The adapter rating does not establish power accepted by the watch.3Owner's manualwww8.garmin.com/manuals/webhelp/GUID-D3C2D1F9-D2C0-404D-9372-7B2D57459BF8/EN-US/Instinct_E_OM_EN-US.pdfRead 16 October 2026Page 65: proprietary cable to a USB-C computer port or AC adapter with a 5 W minimum rating.

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

None of 4 known

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.

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

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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.

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/1315817Read 16 October 2026Specs tab QuickFit watch band compatible: 22 mm for 45 mm and 20 mm for 40 mm.2Maker product pagegarmin.com/en-US/p/1314137/pn/010-02932-00Read 16 October 2026Specs tab QuickFit watch band compatible: yes (20 mm).

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.

No3Owner's manualwww8.garmin.com/manuals/webhelp/GUID-D3C2D1F9-D2C0-404D-9372-7B2D57459BF8/EN-US/Instinct_E_OM_EN-US.pdfRead 16 October 2026Changing the Spring Bar Bands: the supplied bands detach by pushing in the watch pin. QuickFit bands need a compatible watch pin. This is not a quick-release lever, so false.

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).

Spring bar bands. QuickFit compatible with a compatible watch pin (20 mm on the 40 mm case, 22 mm on the 45 mm case)3Owner's manualwww8.garmin.com/manuals/webhelp/GUID-D3C2D1F9-D2C0-404D-9372-7B2D57459BF8/EN-US/Instinct_E_OM_EN-US.pdfRead 16 October 2026Page 66: Instinct E bands are spring bar bands. QuickFit bands fit with a compatible watch pin.

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/1315817Read 16 October 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.

Charcoal Band1Maker product pagegarmin.com/en-US/p/1315817Read 16 October 2026Garmin names the colourways Black with Charcoal Band and Electric Lime with Electric Lime Band.

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 Instinct E

Size	Wrist (min) (mm)	Wrist (max) (mm)
Supplied silicone band	107	179

Source1Maker product pagegarmin.com/en-US/p/1315817Read 16 October 2026Specs tab: fits wrists with a circumference of 132 to 213 mm for 45 mm. This describes the supplied silicone band.2Maker product pagegarmin.com/en-US/p/1314137/pn/010-02932-00Read 16 October 2026Specs tab: fits wrists with a circumference of 107 to 179 mm for the supplied silicone band.

Regulatory

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FCC ID

Not available

IPH-04880, IPH-048814Regulatory filingstatic.garmin.com/pumac/Instinct%20E,%2045%20mm.pdfRead 16 October 2026Garmin compliance test report cover for Instinct E, 45 mm: model A04881, FCC ID IPH-04881, IC 1792A-04881.5Regulatory filingstatic.garmin.com/pumac/Instinct%20E,%2040%20mm.pdfRead 16 October 2026Garmin compliance packet for Instinct E, 40 mm: model A04880, FCC ID IPH-04880, IC 1792A-04880. Cellular and Wi-Fi radios are not listed.

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

EU declaration of conformity: Radio Equipment Directive 2014/53/EU and RoHS 2011/65/EU, ISED Canada: 1792A-04880 (40 mm), 1792A-04881 (45 mm), Regulatory model A04880 (40 mm), A04881 (45 mm)4Regulatory filingstatic.garmin.com/pumac/Instinct%20E,%2045%20mm.pdfRead 16 October 2026Garmin compliance packet for Instinct E 45 mm names ISED ID 1792A-04881. The 40 mm packet names 1792A-04880.5Regulatory filingstatic.garmin.com/pumac/Instinct%20E,%2040%20mm.pdfRead 16 October 2026ISED ID 1792A-04880 for the 40 mm size.6Maker spec sheet (PDF)static.garmin.com/pumac/Instinct%20E%2040mm_DoC-EU.pdfRead 16 October 2026EU declaration of conformity for model A04880, Instinct E 40mm, under Directives 2011/65/EU and 2014/53/EU. A04881 is the 45mm model in the sibling declaration.

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.

Instinct E 40 mm smartwatch with silicone band, Charging/data cable, Documentation1Maker product pagegarmin.com/en-US/p/1315817Read 16 October 2026In the Box tab, shown for the 45 mm size.2Maker product pagegarmin.com/en-US/p/1314137/pn/010-02932-00Read 16 October 2026In the Box tab for the 40 mm size.

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/1315817Read 16 October 2026Box lists the watch, a charging/data cable and documentation. No mains 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/13158171Maker product pagegarmin.com/en-US/p/1315817Read 16 October 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/13158171Maker product pagegarmin.com/en-US/p/1315817Read 16 October 2026Public Specs tab of the same page. No separate datasheet was found.

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-D3C2D1F9-D2C0-404D-9372-7B2D57459BF8/EN-US/Instinct_E_OM_EN-US.pdf3Owner's manualwww8.garmin.com/manuals/webhelp/GUID-D3C2D1F9-D2C0-404D-9372-7B2D57459BF8/EN-US/Instinct_E_OM_EN-US.pdfRead 16 October 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.

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.

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.

1year7Maker product pagewww8.garmin.com/manuals/webhelp/GUID-E72F728A-C9B4-4294-967D-EA17F5462A5C/EN-US/GUID-80997D2B-7430-427E-A14E-6115C8D079B6.htmlRead 16 October 2026Garmin Consumer Limited Warranty text: non-aviation products are covered for one year from the date of purchase. This is the US text hosted in another Garmin manual. A US retailer also lists a 1 year manufacturer warranty.

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