Apple Watch Series 12 / Garmin fēnix 8 Pro 47 mm AMOLED

Apple Watch Series 12: 42 / 46 mm · Case material options

Garmin fēnix 8 Pro 47 mm AMOLED: 010-03198-11 · sapphire, titanium; Graphite/black silicone band

SpecificationApple Watch Series 12Garmin fēnix 8 Pro 47 mm AMOLED
Release year20262025
ProcessorS11; 64-bit dual-core; 4-core Neural Engine Apple—
Storage64 GB Apple32 GB internal storage for maps and music Garmin
DisplayAlways-On Retina LTPO3 OLED; 326 ppi; 2000 nits peak, 1 nit minimum; 46 mm: 416 × 496; 42 mm: 374 × 446

LTPO3 drops to 1 Hz in Always-On mode to save power.

Apple		1.4-inch AMOLED, 454 × 454; touchscreen Garmin
Cover glassAluminium: Ceramic Shield 2; titanium/ceramic: sapphire Apple—
Case and material42 / 46 mm; aluminium, titanium or ceramic

Ceramic cases are slightly larger and thicker (9.85 mm); aluminium and titanium are 9.7 mm.

Apple		—
Rated battery lifeUp to 24 hours normal use; up to 38 hours Low Power Mode; up to 10 hours workout tracking

Apple's test profile; actual use varies.

Apple		—
Rated charging timeAbout 80% in 30 minutes; 15 minutes gives up to 12 hours of normal use

Apple measured these with a 20 W adapter that is not included; a USB-C fast-charging cable is in the box.

Apple		—
SensorsSecond-generation electrical and always-on optical heart sensors; blood oxygen; temperature; compass; always-on altimeter; high-g accelerometer; depth gauge to 6 m; water temperature Apple—
Health featuresECG; irregular rhythm and high/low heart rate notifications; hypertension and sleep apnoea notifications; sleep score; Vitals; Readiness

Some health features are limited by country and age; blood oxygen and temperature are not for medical use.

Apple		—
Weight46 mm aluminium GPS 39.5 g; titanium 44.9 g; 42 mm aluminium GPS 32.2 g; titanium 36.5 g Apple77 g with band Garmin
Durability50 m water resistance (ISO 22810:2010); IP6X dust

For swimming and snorkelling to 6 m, not scuba diving. Resistance can diminish over time.

Apple		—
ConnectivityWi-Fi 4 (2.4 and 5 GHz); Bluetooth 5.3; second-generation UWB; multi-constellation GPS; RedCap 5G on cellular models Apple—
CompatibilitywatchOS 27; iPhone 11 or later (including iPhone SE 2nd generation or later) running iOS 27 Apple—
Announcement and availability—Announced September 3, 2025; on sale from September 8, 2025 Garmin
Lens—Sapphire Garmin
Bezel and rear—Titanium Garmin
Dimensions—47 × 47 × 16 mm Garmin
Smartwatch battery life—Gesture display: up to 15 days; always-on: 8 days Garmin
GPS battery life—GPS only: up to 44 hours; 33 hours with always-on display Garmin
Multi-band battery life—All systems + multi-band: up to 30 hours; 23 hours always-on Garmin
LTE LiveTrack battery life—All systems + multi-band + LTE LiveTrack: up to 12 hours; 11 hours always-on

Manufacturer scenarios; enabled features change actual runtime.

Garmin
Communication—Satellite messages/location; LTE Messenger calls and LiveTrack

Active inReach subscription and service coverage required.

Garmin
Audio—Built-in microphone and speaker Garmin
Flashlight—White/red LED flashlight Garmin
Water and diving—10 ATM; recreational diving features to 40 m

A 10 ATM rating does not authorize diving to 100 m.

Garmin
Temperature—Operating: −20–45 °C; charging: 0–45 °C Garmin