Amazfit T-Rex 3 vs Xiaomi Watch 5
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At a glance
Key specifications and important differences. Full details follow below.
| Feature | Amazfit T-Rex 3 | Xiaomi Watch 5 |
|---|---|---|
| Price | KSh 33,000.00 | KSh 30,000.00 |
| Display | 1.5-inch AMOLED touchscreen | 1.54-inch AMOLED |
| Battery capacity | 700 mAh rated | 930 mAh lithium-ion polymer battery |
| Water resistance | 10 ATM; suitable for swimming and supported high-speed water sports subject to manufacturer guidance | 5 ATM |
| Processor | — | Qualcomm Snapdragon W5 Gen 1 (4 nm) plus BES2800 low-power processor (6 nm) |
| RAM | — | 2 GB |
| Storage | — | 32 GB |
| Operating system | — | Xiaomi HyperOS 3 |
| Network / cellular | — | GSM, HSPA and LTE on cellular model |
| Positioning / GNSS | Dual-band, six-satellite positioning | Built-in dual-band GNSS: GPS L1+L5, Galileo, GLONASS, BeiDou and QZSS |
| Health & wellness features | Heart rate, blood oxygen, stress, PAI and temperature insights; wellness measurements are not intended for medical diagnosis | One-tap health assessment; all-day heart-rate, blood-oxygen and stress monitoring |
Full specifications
2 of 4 products
| Specification | Amazfit T-Rex 3 | Xiaomi Watch 5 |
|---|---|---|
| Identity & design | ||
| Brand | Amazfit | Xiaomi |
| Model | T-Rex 3 | Xiaomi Watch 5 |
| Announced | — | 26 December 2025 |
| Dimensions | 48.5 × 48.5 × 13.75 mm (heart-rate sensor base excluded) | 47 × 47 × 12.3 mm |
| Weight | 68.3 g without strap | 56 g without strap |
| Build materials | Stainless-steel bezel, polymer middle frame and Gorilla Glass touchscreen | Sapphire-crystal front and rear sensor cover; 316L stainless-steel case |
| Wrist size | 145–210 mm | 135–205 mm |
| Strap / band | 22 mm liquid-silicone strap with classic pin buckle | Fluororubber strap |
| Controls / buttons | Four physical buttons and touchscreen | Rotating crown; side button; touchscreen; gesture controls |
| Display | ||
| Display | 1.5-inch AMOLED touchscreen | 1.54-inch AMOLED |
| Screen resolution | 480 × 480 pixels, 322 ppi | 480 × 480 pixels, 312 ppi |
| Display protection | Gorilla Glass | Sapphire crystal |
| Display features | Up to 2,000 nits peak brightness; always-on display and more than 400 watch faces | Up to 1,500 nits HBM brightness; 60 Hz refresh rate; 2.6 mm bezel; Always-On Display |
| Performance & software | ||
| Processor | — | Qualcomm Snapdragon W5 Gen 1 (4 nm) plus BES2800 low-power processor (6 nm) |
| CPU | — | Dual-core Snapdragon CPU |
| RAM | — | 2 GB |
| Storage | — | 32 GB |
| Operating system | — | Xiaomi HyperOS 3 |
| Connectivity | ||
| Network / cellular | — | GSM, HSPA and LTE on cellular model |
| SIM / eSIM | — | eSIM on cellular model; market and region dependent |
| Wi-Fi | 2.4 GHz Wi-Fi | 2.4 GHz Wi-Fi |
| Bluetooth | Bluetooth 5.2 BLE | BT/BLE 5.4 |
| NFC | — | Supported; availability varies by region |
| Positioning / GNSS | Dual-band, six-satellite positioning | Built-in dual-band GNSS: GPS L1+L5, Galileo, GLONASS, BeiDou and QZSS |
| Audio & communication | ||
| Speaker | — | Supported |
| Microphone | Built-in microphone | Supported |
| Calling | Zepp Flow voice control and speech-to-text replies when paired with a supported phone | Bluetooth calling through a connected smartphone; third-party app voice calls not supported |
| Sensors, health & fitness | ||
| Sensors | BioTracker 6.0 PPG biometric sensor with blood-oxygen support, accelerometer, gyroscope, geomagnetic sensor, barometric altimeter, ambient-light sensor and temperature sensor | PPG; accelerometer; gyroscope; ambient-light; electronic compass; barometer; EMG |
| Health & wellness features | Heart rate, blood oxygen, stress, PAI and temperature insights; wellness measurements are not intended for medical diagnosis | One-tap health assessment; all-day heart-rate, blood-oxygen and stress monitoring |
| Sleep tracking | Sleep stages, naps, sleep score, breathing quality and recovery insights | High-precision sleep monitoring |
| Sports / workout modes | More than 170 sports modes | — |
| Training & outdoor features | Offline maps and navigation, GPS privacy controls, Zepp Coach and advanced running/outdoor metrics | — |
| Diving / depth features | Freediving support to 45 m under applicable certification | — |
| Battery & durability | ||
| Battery capacity | 700 mAh rated | 930 mAh lithium-ion polymer battery |
| 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 | Smart mode: up to 6 days; Smart AOD: 4 days; power saver: up to 18 days, 12 days normal detection, 7 days with AOD |
| Charging | Magnetic charging base; approximately 3 hours; USB-C cable is not included | Magnetic pogo-pin charging dock; approximately 90 minutes to full charge |
| 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 | ||
| Phone compatibility | Android 7.0 or later; iOS 14.0 or later | — |
| Companion app | Zepp app | Mi Fitness |
| Colors | Onyx, Lava or Haze Gray | Black; Juniper Green |



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