Amazfit T-Rex Dual Solar vs Apple Watch Ultra 3

Amazfit T-Rex Dual Solar

Amazfit T-Rex Dual Solar

vsApple Watch Ultra 3

Apple Watch Ultra 3

Amazfit T-Rex Dual SolarApple Watch Ultra 3
Display1.32-inch AMOLED, 466x466, 353 ppi, up to 3,000 nits, sapphire glassLargest display of any Apple Watch (LTPO3, wide-angle OLED, borders 24% thinner), 1Hz Always-On refresh
BodyGrade 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—
BatteryUp 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 mAhUp to 42 hours; up to 72 hours in Low Power Mode; 15 minutes of fast charging adds up to 12 hours
SolarDual-sided solar charging through the AMOLED display and a glass-ceramic back plate with more than twice the active area—
PositioningDual-band GPS with six satellite systems; preloaded full-color maps, route planning with up to 100 routes, turn-by-turn navigation—
SensorsBioTracker 6.0 PPG sensor (5PD + 2LED), accelerometer, gyroscope, geomagnetic, barometric altimeter, ambient light, temperature—
ConnectivityBluetooth 5.2, Bluetooth calls, Wi-Fi 2.4GHz; microphone and speaker; white and red flashlight5G cellular, built-in two-way satellite communications, dual-frequency GPS
Durability10 ATM water resistance, recreational diving support to 50 m; low-temperature mode to -30 C; military-standard certification—
Sports180+ sports modes, HYROX training, Expedition mode, HybridCharge training and recovery view—
OSZepp App for Android 7.0+ and iOS 15.0+, no subscription required for workout and recovery datawatchOS 26 (requires iPhone 11 or later with iOS 26)
Case—Titanium (natural, black), 100% recycled titanium, 3D-printed
Health Sensors—Optical heart sensor with hypertension notifications, sleep score, ECG, blood oxygen, sleep apnea notifications, water temperature
Water Resistance—WR100; Oceanic+ dive computer app