Garmin fēnix 8 Pro 47 mm AMOLED / Apple Watch Ultra (49 mm, 1st generation)

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

Apple Watch Ultra (49 mm, 1st generation): Apple Watch Ultra, 49 mm natural titanium case, GPS + Cellular. The Apple Watch Ultra 2 and Ultra 3 are separate models.

SpecificationGarmin fēnix 8 Pro 47 mm AMOLEDApple Watch Ultra (49 mm, 1st generation)
Release year20252022
Announcement and availabilityAnnounced September 3, 2025; on sale from September 8, 2025 Garmin—
Display1.4-inch AMOLED, 454 × 454; touchscreen GarminLTPO2 OLED always-on Retina; 410 × 502 pixels; 1185 mm² display area; up to 2000 nits

LTPO lets the refresh rate drop very low, so the screen can stay on without draining the battery. 2000 nits was twice as bright as any earlier Apple Watch display.

Apple
LensSapphire Garmin—
Bezel and rearTitanium Garmin—
Dimensions47 × 47 × 16 mm Garmin—
Weight77 g with band Garmin61.3 g (without band) Apple
Storage32 GB internal storage for maps and music Garmin—
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
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CommunicationSatellite messages/location; LTE Messenger calls and LiveTrack

Active inReach subscription and service coverage required.

Garmin
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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
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TemperatureOperating: −20–45 °C; charging: 0–45 °C Garmin—
Case and glass—49 mm natural titanium case; flat sapphire front crystal; ceramic and sapphire back

The flat front crystal is protected by a raised titanium edge.

Apple
Chip—S8 SiP with 64-bit dual-core processor; W3 wireless chip; U1 Ultra Wideband chip; 32 GB storage

Availability of Ultra Wideband features varies by country.

Apple
Location and navigation—Dual-frequency GPS (L1 and L5), GLONASS, Galileo, QZSS, BeiDou; compass; always-on altimeter

The L5 signal helps separate signals reflected by tall buildings and trees; Apple called it the most accurate GPS of any Apple Watch at the time.

Apple
Health sensors—Electrical heart sensor (ECG); third-generation optical heart sensor; blood oxygen sensor

Availability of the ECG and blood oxygen apps varies by country.

Apple
Diving and water—WR100 (ISO 22810); dive-ready to 40 metres (EN 13319); water temperature sensor and depth gauge; IP6X dust

Apple points to the third-party Oceanic+ app for recreational scuba diving to 40 metres; the watch itself is not certified as a dive computer.

Apple
Safety—86-decibel emergency siren; Fall and Crash Detection (high-g accelerometer up to 256 g); Emergency SOS

The siren plays two distinct patterns, one signalling distress and one mimicking SOS.

Apple
Connectivity—LTE and UMTS; Wi-Fi 802.11b/g/n 2.4 and 5 GHz; Bluetooth 5.3

With cellular, the watch can make calls and get messages without the phone nearby; carrier support is required.

Apple
Battery—Up to 36 hours; up to 18 hours with LTE; USB-C magnetic fast-charging cable

Runtime depends on display, workout and cellular use; using LTE away from the phone drains the battery noticeably faster.

Apple
Low-power setting—Up to 60 hours

Apple announced that this setting would arrive in software after launch, in autumn 2022; it extends runtime by taking some readings less often.

Apple
Operating temperature—−20 °C to 55 °C on the wrist Apple
Compatibility—iPhone 8 or later with iOS 16 or later

The watch can only be set up and used with an iPhone; it does not pair with Android phones.

Apple