Garmin fēnix 8 Pro 47 mm AMOLED / Apple Watch Series 9 (45 mm, GPS, aluminium)

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

Apple Watch Series 9 (45 mm, GPS, aluminium): 45 mm aluminium case, GPS model; Pink, Midnight, Starlight, Silver and (PRODUCT)RED. The 41 mm, GPS + Cellular and stainless steel (sapphire crystal) versions differ in size and materials.

SpecificationGarmin fēnix 8 Pro 47 mm AMOLEDApple Watch Series 9 (45 mm, GPS, aluminium)
Release year20252023
Announcement and availabilityAnnounced September 3, 2025; on sale from September 8, 2025 Garmin—
Display1.4-inch AMOLED, 454 × 454; touchscreen GarminAlways-On Retina LTPO OLED; up to 2000 nits, as low as 1 nit; 326 ppi

LTPO is a panel technology that can lower the refresh rate dramatically, letting the display stay dimly on when the wrist is down. The 1-nit minimum avoids glare in a dark room.

Apple
LensSapphire Garmin—
Bezel and rearTitanium Garmin—
Dimensions47 × 47 × 16 mm Garmin—
Weight77 g with band Garmin—
Storage32 GB internal storage for maps and music Garmin64 GB Apple
Smartwatch battery lifeGesture display: up to 15 days; always-on: 8 days Garmin—
GPS battery lifeGPS only: up to 44 hours; 33 hours with always-on display Garmin—
Multi-band battery lifeAll systems + multi-band: up to 30 hours; 23 hours always-on Garmin—
LTE LiveTrack battery lifeAll systems + multi-band + LTE LiveTrack: up to 12 hours; 11 hours always-on

Manufacturer scenarios; enabled features change actual runtime.

Garmin		—
CommunicationSatellite messages/location; LTE Messenger calls and LiveTrack

Active inReach subscription and service coverage required.

Garmin		—
AudioBuilt-in microphone and speaker Garmin—
FlashlightWhite/red LED flashlight Garmin—
Water and diving10 ATM; recreational diving features to 40 m

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

Garmin		—
TemperatureOperating: −20–45 °C; charging: 0–45 °C Garmin—
Chip—S9 SiP; 64-bit dual-core processor, 4-core Neural Engine Apple
Controls—Digital Crown with haptic feedback, side button, double tap gesture

Double tap lets you answer notifications or calls by tapping the thumb and index finger of the watch hand together twice, without touching the screen.

Apple
Health sensors—Electrical heart sensor, third-generation optical heart sensor, temperature sensing

The electrical sensor is for ECG recordings; the optical sensor measures pulse with light. Temperature sensing tracks overnight changes in wrist temperature.

Apple
Blood Oxygen (US)—On watches sold in the US without the feature, a redesigned version arrives with iOS 18.6.1 and watchOS 11.6.1; the reading is calculated on iPhone

The watch collects sensor data, the paired iPhone calculates the value and shows it in the Health app. Watches bought outside the US are not affected.

Apple
Other sensors—Compass, always-on altimeter, high-g accelerometer, high dynamic range gyroscope, ambient light sensor Apple
Location—L1 GPS, GNSS, Galileo and BeiDou

It is a single-frequency (L1) receiver; drift in cities can be more likely than with dual-frequency watches.

Apple
Wireless—Wi-Fi 4 (802.11n), Bluetooth 5.3, second-generation Ultra Wideband

Ultra Wideband lets you locate an iPhone 15-family phone with Precision Finding showing direction and distance; availability varies by region.

Apple
Battery and charging—Up to 18 hours normal use, up to 36 hours in Low Power Mode; fast charge to about 80% in 45 minutes

Fast charging requires Apple’s fast-charging cable and a suitable adapter.

Apple
Durability—50 m water resistant (ISO 22810:2010); IP6X dust resistant; Ion-X front glass

Suitable for swimming. Ion-X is the strengthened glass used on aluminium cases; steel cases use sapphire crystal.

Apple
Size and weight—45 × 38 × 10.7 mm; 38.7 g; fits 140–245 mm wrists Apple
Compatibility—iPhone XS or later with iOS 17 or later

It cannot be used with Android phones.

Apple