Apple Watch SE 2 vs Amazfit T-Rex 3
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At a glance
Key specifications and important differences. Full details follow below.
| Feature |  Apple Watch SE 2 |  Amazfit T-Rex 3 |
|---|---|---|
| Price | Price range: KSh 28,500.00 through KSh 32,000.00 | KSh 33,000.00 |
| Display | Retina LTPO OLED 44 mm: 977 mm² display area 40 mm: 759 mm² display area | 1.5-inch AMOLED touchscreen |
| Battery capacity | — | 700 mAh rated |
| Water resistance | Water resistant to 50 m under ISO 22810:2010 | 10 ATM; suitable for swimming and supported high-speed water sports subject to manufacturer guidance |
| Processor | Apple S8 SiP | — |
| Storage | 32 GB | — |
| Operating system | watchOS | — |
| Network / cellular | GPS + Cellular models support LTE and UMTS; availability varies by carrier and region | — |
| Positioning / GNSS | L1 GPS, GLONASS, Galileo and QZSS | Dual-band, six-satellite positioning |
| Health & wellness features | Heart Rate app; high and low heart-rate notifications; irregular rhythm notifications; Medications, Mindfulness and Noise apps | Heart rate, blood oxygen, stress, PAI and temperature insights; wellness measurements are not intended for medical diagnosis |
Full specifications
2 of 4 products
| Specification | Apple Watch SE 2 | Amazfit T-Rex 3 |
|---|---|---|
| Identity & design | ||
| Brand | Apple | Amazfit |
| Model | Apple Watch SE (2nd generation) | T-Rex 3 |
| Announced | September 2022 | — |
| Dimensions | 44 mm: 44 × 38 × 10.7 mm 40 mm: 40 × 34 × 10.7 mm | 48.5 × 48.5 × 13.75 mm (heart-rate sensor base excluded) |
| Weight | 44 mm: 32.9 g (GPS), 33.0 g (GPS + Cellular) 40 mm: 26.4 g (GPS), 27.8 g (GPS + Cellular) | 68.3 g without strap |
| Build materials | Aluminium case; nylon-composite and sapphire-crystal back | Stainless-steel bezel, polymer middle frame and Gorilla Glass touchscreen |
| Wrist size | 44 mm: 140–245 mm wrist 40 mm: 130–200 mm wrist | 145–210 mm |
| Strap / band | — | 22 mm liquid-silicone strap with classic pin buckle |
| Controls / buttons | Digital Crown with haptic feedback; side button; touchscreen | Four physical buttons and touchscreen |
| Display | ||
| Display | Retina LTPO OLED 44 mm: 977 mm² display area 40 mm: 759 mm² display area | 1.5-inch AMOLED touchscreen |
| Screen resolution | 44 mm: 368 × 448 pixels 40 mm: 324 × 394 pixels | 480 × 480 pixels, 322 ppi |
| Display protection | Ion-X front glass | Gorilla Glass |
| Display features | Up to 1,000 nits; 326 ppi | Up to 2,000 nits peak brightness; always-on display and more than 400 watch faces |
| Performance & software | ||
| Processor | Apple S8 SiP | — |
| CPU | 64-bit dual-core processor; 2-core Neural Engine | — |
| Storage | 32 GB | — |
| Operating system | watchOS | — |
| Connectivity | ||
| Network / cellular | GPS + Cellular models support LTE and UMTS; availability varies by carrier and region | — |
| SIM / eSIM | eSIM on GPS + Cellular models; carrier plan required | — |
| Wi-Fi | 802.11b/g/n, 2.4 GHz | 2.4 GHz Wi-Fi |
| Bluetooth | Bluetooth 5.3 | Bluetooth 5.2 BLE |
| NFC | NFC with Apple Pay support | — |
| Positioning / GNSS | L1 GPS, GLONASS, Galileo and QZSS | Dual-band, six-satellite positioning |
| Audio & communication | ||
| Speaker | Speaker | — |
| Microphone | Microphone | Built-in microphone |
| Calling | Bluetooth calling through a paired iPhone; cellular calling on GPS + Cellular models with an eligible plan | Zepp Flow voice control and speech-to-text replies when paired with a supported phone |
| Sensors, health & fitness | ||
| Sensors | Second-generation optical heart sensor; compass; always-on altimeter; high-g accelerometer; high-dynamic-range gyroscope; ambient light sensor | BioTracker 6.0 PPG biometric sensor with blood-oxygen support, accelerometer, gyroscope, geomagnetic sensor, barometric altimeter, ambient-light sensor and temperature sensor |
| Health & wellness features | Heart Rate app; high and low heart-rate notifications; irregular rhythm notifications; Medications, Mindfulness and Noise apps | Heart rate, blood oxygen, stress, PAI and temperature insights; wellness measurements are not intended for medical diagnosis |
| Sleep tracking | Sleep app with sleep stages | Sleep stages, naps, sleep score, breathing quality and recovery insights |
| Sports / workout modes | Workout app with multiple workout types and automatic workout detection | More than 170 sports modes |
| Training & outdoor features | Pace metrics; compass and Backtrack | Offline maps and navigation, GPS privacy controls, Zepp Coach and advanced running/outdoor metrics |
| Safety & emergency features | Emergency SOS; international emergency calling; fall detection; crash detection | — |
| Diving / depth features | — | Freediving support to 45 m under applicable certification |
| Battery & durability | ||
| Battery capacity | — | 700 mAh rated |
| Battery life | Up to 18 hours normal use | Up to 27 days typical use, 40 days battery saver, 13 days heavy use, 42 hours accurate GPS or 180 hours maximum GPS |
| Charging | Up to 80% charge in about 1.5 hours | Magnetic charging base; approximately 3 hours; USB-C cable is not included |
| Water resistance | Water resistant to 50 m under ISO 22810:2010 | 10 ATM; suitable for swimming and supported high-speed water sports subject to manufacturer guidance |
| 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 | Requires iPhone 8 or later with iOS 16 or later at launch | Android 7.0 or later; iOS 14.0 or later |
| Companion app | Apple Watch app and Apple Health | Zepp app |
| Colors | Midnight; Starlight; Silver | Onyx, Lava or Haze Gray |
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