Garmin Bounce 2 vs Amazfit T-Rex 3

Garmin Bounce 2

Garmin Bounce 2

vsAmazfit T-Rex 3

Amazfit T-Rex 3

Garmin Bounce 2Amazfit T-Rex 3
Display1.2-inch (30.4 mm) round AMOLED touchscreen, 390x390, two side buttons, chemically strengthened glass1.5-inch AMOLED, 480x480, 322 ppi, up to 2,000 nits peak brightness, Gorilla Glass
BodyFiber-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 mm316L 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 buttons
BatteryUp to 2 days in smartwatch mode (connected feature use and LTE network conditions have a significant impact)Up 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)
Memory4 GB—
ConnectivityLTE (subscription plan required), Wi-Fi, Bluetooth; two-way voice calls, voice messages with transcription, text messaging with on-watch keyboardBluetooth 5.2 and BLE, Wi-Fi 2.4 GHz, NFC (Zepp Pay), microphone
SafetyReal-time location tracking via LTE LiveTrack, location check-ins, temporary geofencing with enter and exit alerts, assistance request—
PositioningGPS, GLONASS, Galileo, QZSS, BeiDouDual-band GNSS with six satellite systems; free offline maps, contour maps, ski maps, turn-by-turn navigation
SensorsAccelerometer, ambient light sensorBioTracker 6.0 PPG (heart rate, blood oxygen), accelerometer, gyroscope, geomagnetic sensor, barometric altimeter, ambient light, temperature
Durability5 ATM water resistance10 ATM; freediving certified to 45 m (EN13319, ISO 6425, GB/T 18828); operates down to -30 C
ExtrasAmazon Music downloads (Prime or Amazon Music Unlimited required), voice commands, built-in sports apps, games, watch faces—
PlansGarmin-managed kids smartwatch plan at $9.99 per month—
CompatibilityGarmin Jr. app for iPhone and Android, managed by a parent or caregiverZepp App on Android 7.0+ and iOS 14.0+
ColorsLight purple, turquoise, slate grayOnyx, Lava, Haze Gray
OS—Zepp OS 4 at launch, with Zepp Coach and an AI assistant based on OpenAI GPT-4o
Sports—170+ sports modes at launch including HYROX race, freediving, ultramarathon and strength training templates