Garmin Enduro 4 vs Garmin Instinct 3 AMOLED

The Garmin Enduro 4 lists for about $550 more than the Garmin Instinct 3 AMOLED. On the headline smartwatch-mode figure, 36 days for the Garmin Enduro 4 against 18 days for the Garmin Instinct 3 AMOLED. For a GPS workout the figures are 3 days and 32 h. Only the Garmin Enduro 4 carries full topo maps. Every other published figure for both is in the table, with the rows where they differ tinted.

Garmin Enduro 4 smartwatch

Garmin

Garmin Enduro 4

Android; iPhone with limitsPaid tier: Garmin Connect+

~$900

Announced on October 6, 2026, Garmin's longest-lasting solar watch is rated at 36 days in smartwatch mode, 90 with solar, and up to 320 hours of activity recording in Extended Battery mode with sun.

Best for: An ultrarunner or multi-day hiker who would rather never think about charging

Garmin Instinct 3 AMOLED smartwatch

Garmin

Garmin Instinct 3 AMOLED

Android; iPhone with limitsPaid tier: Garmin Connect+

~$350

Garmin launched Instinct 3 in January 2025 in two display types, AMOLED or solar MIP, sold as separate models.

Best for: A hiker or hunter who wants a tough, bright watch with a flashlight and has no need for maps

Specification comparison of the Garmin Enduro 4 and the Garmin Instinct 3 AMOLED
SpecificationGarmin Enduro 4Garmin Instinct 3 AMOLED
Approx. price~$900 (Enduro 4, 51 mm, $899.99 list on garmin.com/en-US/p/2032078 (announced 2026-10-06; add-to-cart not yet live on the page that day))~$350 (Instinct 3, 45 mm AMOLED, $349.99 list on garmin.com/en-US/p/1316397; 50 mm AMOLED $399.99)
TypeRugged outdoorRugged outdoor
PlatformGarminGarmin
Case sizes51 mm45 mm / 50 mm
Weight51 mm: 57 g (Garmin spec: '66 g (case only: 57 g)' with included band)45 mm: 53 g · 50 mm: 59 g (Garmin spec: 'Weight: 53 g' (band inclusion not stated))
Battery, smartwatch mode36 days (Garmin: 'Smartwatch: Up to 36 days/90 days with solar' (solar assumes 3 hours a day outside in 50,000 lux))18 days (Garmin, 45 mm: 'Smartwatch: Up to 18 days'; 50 mm: 24 days)
Battery, always-on displayNot published by the maker7 days (Garmin, 45 mm: '(7 days always-on)'; 50 mm: 9 days)
Always-on keepsnot published39% of the headline figure
Battery, GPS workout3 days (Garmin: 'Activity Mode (Normal): Up to 80 hours/144 hours with solar'; 'Activity Mode (Max Accuracy): Up to 60 hours/90 hours with solar')32 h (Garmin, 45 mm: 'GPS Only: Up to 32 hours'; 'All Satellite Systems: Up to 25 hours')
Battery, dual-band GPSnot published23 h
Battery noteMIP screen is always visible, so Garmin gives no separate AOD figure; 'Activity Mode (Extended Battery)' 120 hours (320 with solar); 'Max Battery' 210 hours, unlimited with solarGarmin, 45 mm: 'All Satellite Systems + Multi-Band: Up to 23 hours' (assuming typical use with SatIQ); 'Max Battery GPS: Up to 68 hours'; 'Expedition GPS: Up to 16 days'
Works withAndroid; iPhone with limitsAndroid; iPhone with limits
iPhoneYes, with limitsYes, with limits
AndroidYesYes
Phone limitsGarmin's spec table marks text replies and reject-call-with-text as Android only; iPhone owners get notifications but cannot reply from the watchGarmin's spec table marks text replies and reject-call-with-text as Android only; iPhone owners get notifications but cannot reply from the watch
Paid tierGarmin Connect+, $69.99/yearGarmin Connect+, $69.99/year
What the paid tier gatesNo watch feature requires it: Garmin's chart keeps activity details, health stats, performance metrics, Garmin Coach plans, courses and LiveTrack in the free app. Connect+ adds Active Intelligence AI insights, nutrition logging, a desktop performance dashboard, live activity on the phone, 3D maps and offline Garmin Trails downloadsNo watch feature requires it: Garmin's chart keeps activity details, health stats, performance metrics, Garmin Coach plans, courses and LiveTrack in the free app. Connect+ adds Active Intelligence AI insights, nutrition logging, a desktop performance dashboard, live activity on the phone, 3D maps and offline Garmin Trails downloads
Update yearsNot published by the makerNot published by the maker
Cleared health featuresECG app (FDA)None the maker cites
DisplayMIPAMOLED
Always-on displaynot publishedYes
Dual-band GPSYesYes
MapsFull topo maps on the watch (Garmin: preloaded road and trail maps, ski resort maps, routable Cycle Map; 50% more RAM and 30% faster panning than Enduro 3 (Garmin))Route line only (Garmin lists Courses, Back to start and TracBack; no maps)
Music on the watchYesNo
LTENo LTE versionNo LTE version
Contactless payYesYes
FlashlightYesYes
Water rating10 ATM10 ATM
Casefiber-reinforced polymer with titanium bezelfiber-reinforced polymer
Released20262025

Garmin Enduro 4: what it gives up

  • MIP screen is dimmer and less colorful than AMOLED
  • One 51 mm size, large on small wrists
  • No inReach satellite messaging; that needs a fēnix 9 Pro
  • Garmin's store page showed no add-to-cart on launch day

Garmin Instinct 3 AMOLED: what it gives up

  • No maps; the fēnix E and Enduro 4 have them
  • No ECG app
  • Quick text replies need an Android phone; paired with an iPhone it can show a message but not answer it

Full pages: Garmin Enduro 4 · Garmin Instinct 3 AMOLED