Garmin Fenix 8 vs Apple Watch Ultra 3

Garmin Fenix 8

Garmin Fenix 8

vsApple Watch Ultra 3

Apple Watch Ultra 3

Garmin Fenix 8Apple Watch Ultra 3
DisplayAMOLED (43, 47 and 51 mm) or solar-charging always-on display (47 and 51 mm)Largest display of any Apple Watch (LTPO3, wide-angle OLED, borders 24% thinner), 1Hz Always-On refresh
Battery (smartwatch mode)Up to 29 days (51 mm AMOLED); up to 48 days (51 mm solar, always-on display, Garmin test conditions)—
DurabilityTested to U.S. military standards for thermal, shock and water resistance; 40 m dive-rated case; leakproof metal buttons—
MaterialsOptional titanium bezel and scratch-resistant sapphire lens—
AudioBuilt-in speaker and microphone, voice commands—
LightBuilt-in LED flashlight (variable intensity, red light, strobe)—
NavigationMulti-band GPS with SatIQ, altimeter, barometer, 3-axis compass, TopoActive maps (sapphire models)—
HealthPulse Ox, Body Battery, HRV status, sleep monitoring, ECG app (region dependent)—
PriceFrom $999.99 (suggested retail, launch)—
Case—Titanium (natural, black), 100% recycled titanium, 3D-printed
Battery—Up to 42 hours; up to 72 hours in Low Power Mode; 15 minutes of fast charging adds up to 12 hours
Health Sensors—Optical heart sensor with hypertension notifications, sleep score, ECG, blood oxygen, sleep apnea notifications, water temperature
Connectivity—5G cellular, built-in two-way satellite communications, dual-frequency GPS
Water Resistance—WR100; Oceanic+ dive computer app
OS—watchOS 26 (requires iPhone 11 or later with iOS 26)