Amazfit T-Rex 3 vs Garmin Bounce 2

Amazfit T-Rex 3

Amazfit T-Rex 3

vsGarmin Bounce 2

Garmin Bounce 2

Amazfit T-Rex 3Garmin Bounce 2
Display1.5-inch AMOLED, 480x480, 322 ppi, up to 2,000 nits peak brightness, Gorilla Glass1.2-inch (30.4 mm) round AMOLED touchscreen, 390x390, two side buttons, chemically strengthened glass
Body316L stainless steel bezel, polymer middle frame, liquid silicone strap (22 mm); 48.5 x 48.5 x 13.75 mm, 68.3 g without strap; 4 buttonsFiber-reinforced polymer case and bezel, silicone strap; 43 x 43 x 12.4 mm; 26.5 g (40.4 g with the included band); band fits wrists 115-180 mm
BatteryUp to 27 days typical use, up to 13 days heavy use, up to 40 days battery saver, up to 180 hours in GNSS max battery life mode (700 mAh, magnetic charging, about 3 hours for a full charge)Up to 2 days in smartwatch mode (connected feature use and LTE network conditions have a significant impact)
PositioningDual-band GNSS with six satellite systems; free offline maps, contour maps, ski maps, turn-by-turn navigationGPS, GLONASS, Galileo, QZSS, BeiDou
Durability10 ATM; freediving certified to 45 m (EN13319, ISO 6425, GB/T 18828); operates down to -30 C5 ATM water resistance
ConnectivityBluetooth 5.2 and BLE, Wi-Fi 2.4 GHz, NFC (Zepp Pay), microphoneLTE (subscription plan required), Wi-Fi, Bluetooth; two-way voice calls, voice messages with transcription, text messaging with on-watch keyboard
SensorsBioTracker 6.0 PPG (heart rate, blood oxygen), accelerometer, gyroscope, geomagnetic sensor, barometric altimeter, ambient light, temperatureAccelerometer, ambient light sensor
OSZepp OS 4 at launch, with Zepp Coach and an AI assistant based on OpenAI GPT-4o—
Sports170+ sports modes at launch including HYROX race, freediving, ultramarathon and strength training templates—
CompatibilityZepp App on Android 7.0+ and iOS 14.0+Garmin Jr. app for iPhone and Android, managed by a parent or caregiver
ColorsOnyx, Lava, Haze GrayLight purple, turquoise, slate gray
Memory—4 GB
Safety—Real-time location tracking via LTE LiveTrack, location check-ins, temporary geofencing with enter and exit alerts, assistance request
Extras—Amazon Music downloads (Prime or Amazon Music Unlimited required), voice commands, built-in sports apps, games, watch faces
Plans—Garmin-managed kids smartwatch plan at $9.99 per month