Garmin Fenix 8 Pro vs Amazfit T-Rex Dual Solar

Garmin Fenix 8 Pro

Garmin Fenix 8 Pro

vsAmazfit T-Rex Dual Solar

Amazfit T-Rex Dual Solar

Garmin Fenix 8 ProAmazfit T-Rex Dual Solar
DisplayAMOLED (47 and 51 mm) or MicroLED (51 mm, over 400,000 LEDs, up to 4,500 nits)1.32-inch AMOLED, 466x466, 353 ppi, up to 3,000 nits, sapphire glass
Battery (smartwatch mode)Up to 27 days (51 mm AMOLED); up to 10 days (51 mm MicroLED)—
ConnectivityinReach satellite and LTE cellular (active subscription required; coverage varies by country)Bluetooth 5.2, Bluetooth calls, Wi-Fi 2.4GHz; microphone and speaker; white and red flashlight
Messaging and callsText messages, location check-ins, voice calls and 30-second voice messages, LiveTrack, weather forecasts—
SafetySOS supported by Garmin Response—
DurabilityDive-rated, leakproof metal buttons, metal sensor guard cover, titanium bezel10 ATM water resistance, recreational diving support to 50 m; low-temperature mode to -30 C; military-standard certification
LightBuilt-in LED flashlight—
Availability8 September 2025—
PriceAMOLED from $1,199.99; MicroLED $1,999.99 (suggested retail)—
Body—Grade 5 titanium bezel and buttons, fiber-reinforced polymer frame, titanium and glass-ceramic back; 51.4 mm case, 14.5 mm thick (16.9 mm with sensor); 69 g without strap; 26 mm strap
Battery—Up to 25 days (typical use), up to 34 days with 3 hours of front solar, up to 51 days with 3 hours of rear solar, up to 13 days (heavy use); up to 41 hours in accurate GPS mode; 660 mAh
Solar—Dual-sided solar charging through the AMOLED display and a glass-ceramic back plate with more than twice the active area
Positioning—Dual-band GPS with six satellite systems; preloaded full-color maps, route planning with up to 100 routes, turn-by-turn navigation
Sensors—BioTracker 6.0 PPG sensor (5PD + 2LED), accelerometer, gyroscope, geomagnetic, barometric altimeter, ambient light, temperature
Sports—180+ sports modes, HYROX training, Expedition mode, HybridCharge training and recovery view
OS—Zepp App for Android 7.0+ and iOS 15.0+, no subscription required for workout and recovery data