Amazfit T-Rex 3 vs Amazfit Active Max
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At a glance
Key specifications and important differences. Full details follow below.
| Feature |  Amazfit T-Rex 3 |  Amazfit Active Max |
|---|---|---|
| Price | KSh 33,000.00 | KSh 24,000.00 |
| Display | 1.5-inch AMOLED touchscreen | 1.5-inch AMOLED touchscreen |
| Battery capacity | 700 mAh rated | 658 mAh rated |
| Water resistance | 10 ATM; suitable for swimming and supported high-speed water sports subject to manufacturer guidance | 5 ATM |
| Storage | — | 4 GB |
| Operating system | — | Zepp OS 6 |
| Positioning / GNSS | Dual-band, six-satellite positioning | Built-in five-satellite positioning |
| Health & wellness features | Heart rate, blood oxygen, stress, PAI and temperature insights; wellness measurements are not intended for medical diagnosis | Heart rate, blood oxygen, stress, BioCharge, LifeLoad and one-tap health measurement; wellness readings are not intended for medical diagnosis |
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Full specifications
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Identity & design
| Specification | Amazfit T-Rex 3 | Amazfit Active Max |
|---|---|---|
| Brand | Amazfit | Amazfit |
| Model | T-Rex 3 | Active Max |
| Announced | — | December 2025 |
| Dimensions | 48.5 × 48.5 × 13.75 mm (heart-rate sensor base excluded) | 48.5 × 48.5 × 12.2 mm without heart-rate sensor base |
| Weight | 68.3 g without strap | 39.5 g without strap |
| Build materials | Stainless-steel bezel, polymer middle frame and Gorilla Glass touchscreen | Aluminum-alloy frame and polymer case with strengthened glass |
| Wrist size | 145–210 mm | — |
| Strap / band | 22 mm liquid-silicone strap with classic pin buckle | 22 mm silicone strap with classic pin buckle |
| Controls / buttons | Four physical buttons and touchscreen | Two physical buttons and touchscreen |
Display
| Specification | Amazfit T-Rex 3 | Amazfit Active Max |
|---|---|---|
| Display | 1.5-inch AMOLED touchscreen | 1.5-inch AMOLED touchscreen |
| Screen resolution | 480 × 480 pixels, 322 ppi | 480 × 480 pixels, 323 ppi |
| Display protection | Gorilla Glass | Strengthened glass with anti-fingerprint coating |
| Display features | Up to 2,000 nits peak brightness; always-on display and more than 400 watch faces | Always-on display; up to 3,000 nits peak brightness |
Performance & software
| Specification | Amazfit T-Rex 3 | Amazfit Active Max |
|---|---|---|
| Storage | — | 4 GB |
| Operating system | — | Zepp OS 6 |
Connectivity
| Specification | Amazfit T-Rex 3 | Amazfit Active Max |
|---|---|---|
| Wi-Fi | 2.4 GHz Wi-Fi | No Wi-Fi support listed |
| Bluetooth | Bluetooth 5.2 BLE | Bluetooth 5.3 BLE |
| Positioning / GNSS | Dual-band, six-satellite positioning | Built-in five-satellite positioning |
Audio & communication
| Specification | Amazfit T-Rex 3 | Amazfit Active Max |
|---|---|---|
| Speaker | — | Built-in speaker |
| Microphone | Built-in microphone | Built-in microphone |
| Calling | Zepp Flow voice control and speech-to-text replies when paired with a supported phone | Bluetooth calling and Android message replies when paired |
Sensors, health & fitness
| Specification | Amazfit T-Rex 3 | Amazfit Active Max |
|---|---|---|
| Sensors | BioTracker 6.0 PPG biometric sensor with blood-oxygen support, accelerometer, gyroscope, geomagnetic sensor, barometric altimeter, ambient-light sensor and temperature sensor | BioTracker PPG sensor, accelerometer, gyroscope, geomagnetic sensor, barometric altimeter, ambient-light sensor and temperature sensor |
| Health & wellness features | Heart rate, blood oxygen, stress, PAI and temperature insights; wellness measurements are not intended for medical diagnosis | Heart rate, blood oxygen, stress, BioCharge, LifeLoad and one-tap health measurement; wellness readings are not intended for medical diagnosis |
| Sleep tracking | Sleep stages, naps, sleep score, breathing quality and recovery insights | RestoreIQ sleep quality, stages, breathing patterns and naps |
| Sports / workout modes | More than 170 sports modes | More than 170 sports modes with smart strength-training recognition |
| Training & outdoor features | Offline maps and navigation, GPS privacy controls, Zepp Coach and advanced running/outdoor metrics | Zepp Coach, PeakBeats, offline maps, route navigation, virtual pacer and compatible workout peripherals |
| Diving / depth features | Freediving support to 45 m under applicable certification | Not rated for diving; water resistance is 5 ATM |
Battery & durability
| Specification | Amazfit T-Rex 3 | Amazfit Active Max |
|---|---|---|
| Battery capacity | 700 mAh rated | 658 mAh rated |
| Battery life | Up to 27 days typical use, 40 days battery saver, 13 days heavy use, 42 hours accurate GPS or 180 hours maximum GPS | Up to 25 days typical use, 13 days heavy use, 10 days always-on display or 64 hours continuous GPS |
| Charging | Magnetic charging base; approximately 3 hours; USB-C cable is not included | Magnetic charging head |
| Water resistance | 10 ATM; suitable for swimming and supported high-speed water sports subject to manufacturer guidance | 5 ATM |
| Durability / certifications | EN 13319, ISO 6425 and GB/T 18828 certification for freediving to 45 m; operating range includes -30°C to 70°C | — |
Compatibility
| Specification | Amazfit T-Rex 3 | Amazfit Active Max |
|---|---|---|
| Phone compatibility | Android 7.0 or later; iOS 14.0 or later | Android 7.0 or later; iOS 14.0 or later |
| Companion app | Zepp app | Zepp app |
| Colors | Onyx, Lava or Haze Gray | Black |
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