Amazfit T-Rex Ultra 2 vs Suunto Race 3S

Amazfit T-Rex Ultra 2

Amazfit T-Rex Ultra 2

vsSuunto Race 3S

Suunto Race 3S

Amazfit T-Rex Ultra 2Suunto Race 3S
Display1.5-inch AMOLED, sapphire glass, up to 3,000 nits peak brightness1.32-inch LTPO AMOLED, 466 x 466, up to 2,000 nits, sapphire crystal lens
BodyGrade 5 titanium bezel, buttons and back panel; fiber-reinforced polymer case; 51 mm case diameter, 17.4 mm thick including heart-rate sensor (15.1 mm excluding); 26 mm quick-release straps—
BatteryUp to 30 days (typical use), up to 50 hours in accuracy GPS mode; 870 mAhUp to 10 days in daily use; up to 38 hours of dual-band GPS in Performance mode, up to 45 hours in Endurance mode (Suunto claims)
PositioningDual-band GPS with six satellite systems; preloaded full-color base maps, downloadable contour and ski-resort maps; offline point-to-point routes (up to 100 km), POI search, automatic rerouting, up to 100 routes stored—
Durability10 ATM water resistance; certified for freediving to 45 m and recreational scuba diving; military-grade resistance tests listed by Amazfit5 ATM water resistance, 22 mm quick-release strap
Storage64GB onboard64GB for maps, routes, training data and music; offline music via a later software update
ExtrasBuilt-in two-color flashlight (white or green, Boost mode and SOS), speaker and microphone for Bluetooth calls, barometer and storm alerts, Low Temperature Mode to -30 C—
Sports180+ sports modes, grade-adjusted pace, HybridCharge, Zepp Coach training plans; syncs to Strava, TrainingPeaks, komoot, Relive, Apple Health and Google Fit—
CompatibilityZepp App; works with iPhone and Android—
Case—46 mm, titanium bezel and caseback, polymer case, about 56 g with the silicone strap
Navigation—Dual-band (L1+L5) multi-constellation GNSS (GPS, GLONASS, Galileo, BeiDou, QZSS), compass, barometer, free global offline maps
Sensors—Valencell optical wrist heart rate with SpO2, barometric altimeter, temperature sensor, compass
Training—Suunto AI Coach, Race Planner, Intelligent Trail Race Strategy, Climb Guidance, wrist-based running power, more than 120 sport modes
Connectivity—Bluetooth; Suunto app for iOS 17 or later and Android 8 or later
Colors—Titanium Black, Feather Purple, Feather Gray
OS—Suunto firmware; pairs with Android and iOS through the Suunto app