AmazFit T-Rex Ultra vs Apple Watch Series 11
Compare specifications, current prices and availability. Choose up to four products from the same family.
Selected Item  AmazFit T-Rex Ultra Original price was: KSh 50,000.00.KSh 47,000.00Current price is: KSh 47,000.00. |
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Add up to 2 more items to compare
Apple Watch Series 8 Price range: KSh 50,000.00 through KSh 53,000.00
Apple Watch Series 9 Price range: KSh 45,000.00 through KSh 49,500.00
AmazFit Falcon Original price was: KSh 70,000.00.KSh 63,000.00Current price is: KSh 63,000.00.
Samsung Galaxy Watch UltraKSh 45,000.00
At a glance
Key specifications and important differences. Full details follow below.
| Feature | AmazFit T-Rex Ultra |  Apple Watch Series 11 |
|---|---|---|
| Price | Original price was: KSh 50,000.00.KSh 47,000.00Current price is: KSh 47,000.00. | Price range: KSh 47,000.00 through KSh 51,500.00 |
| Display | 1.39-inch AMOLED | Always-On Retina LTPO3 OLED 46 mm: 1,220 mm² display area 42 mm: 989 mm² display area |
| Battery capacity | 500 mAh rated | — |
| Water resistance | 10 ATM; ISO 22810:2010 | Water resistant to 50 m under ISO 22810:2010 |
| Processor | — | Apple S10 SiP |
| Storage | Up to 2.3 GB available for music | 64 GB |
| Operating system | Zepp OS 3.5 | watchOS |
| Network / cellular | — | GPS + Cellular models support LTE and UMTS; availability varies by carrier and region |
| Positioning / GNSS | Built-in dual-band L1/L5 positioning; six satellite systems | L1 GPS, GLONASS, Galileo, QZSS and BeiDou |
| Health & wellness features | 24-hour heart-rate, blood-oxygen and stress monitoring; one-tap measurement; PAI; breathing exercises; health alerts | ECG app; blood oxygen feature where available; high and low heart-rate notifications; irregular rhythm notifications; temperature sensing; cycle tracking; mindfulness and medications apps |
Full specifications
2 of 4 products
| Specification | AmazFit T-Rex Ultra | Apple Watch Series 11 |
|---|---|---|
| Identity & design | ||
| Brand | Amazfit | Apple |
| Model | Amazfit T-Rex Ultra | Apple Watch Series 11 |
| Announced | — | September 2025 |
| Dimensions | 47.3 × 47.3 × 13.45 mm, excluding heart-rate sensor base | 46 mm: 46 × 39 × 9.7 mm 42 mm: 42 × 36 × 9.7 mm |
| Weight | 89 g without strap | 46 mm: 36.9–43.1 g, depending on case and connectivity 42 mm: 29.7–34.6 g, depending on case and connectivity |
| Build materials | 316L stainless-steel bezel, back panel, bridge and buttons; polymer-alloy middle frame | Aluminium or titanium case, depending on configuration |
| Wrist size | 140–205 mm | 46 mm: 140–245 mm wrist 42 mm: 130–200 mm wrist |
| Strap / band | 22 mm silicone strap with classic pin buckle | — |
| Controls / buttons | Four physical buttons; glass touchscreen | Digital Crown with haptic feedback; side button; touchscreen |
| Display | ||
| Display | 1.39-inch AMOLED | Always-On Retina LTPO3 OLED 46 mm: 1,220 mm² display area 42 mm: 989 mm² display area |
| Screen resolution | 454 × 454 pixels, 326 ppi | 46 mm: 416 × 496 pixels 42 mm: 374 × 446 pixels |
| Display protection | Glass | Ion-X front glass on aluminium models; sapphire front crystal on titanium models |
| Display features | Up to 1,000 nits; Always-On Display; 120+ watch faces | Always-On display; wide-angle OLED; up to 2,000 nits; 1 nit minimum brightness; 326 ppi |
| Performance & software | ||
| Processor | — | Apple S10 SiP |
| CPU | — | 64-bit dual-core processor; 4-core Neural Engine |
| Storage | Up to 2.3 GB available for music | 64 GB |
| Operating system | Zepp OS 3.5 | 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 | 2.4 GHz Wi-Fi | Wi‑Fi 4 (802.11n), 2.4 GHz and 5 GHz |
| Bluetooth | Bluetooth 5.0 BLE | Bluetooth 5.3 |
| NFC | — | NFC with Apple Pay support |
| Positioning / GNSS | Built-in dual-band L1/L5 positioning; six satellite systems | L1 GPS, GLONASS, Galileo, QZSS and BeiDou |
| Ultra Wideband (UWB) | — | Second-generation Ultra Wideband chip |
| Audio & communication | ||
| Speaker | No built-in speaker; audio through connected Bluetooth headphones | Speaker |
| Microphone | — | Microphone with voice isolation |
| Calling | — | Bluetooth calling through a paired iPhone; cellular calling on GPS + Cellular models with an eligible plan |
| Sensors, health & fitness | ||
| Sensors | BioTracker PPG biometric sensor with SpO₂; accelerometer; gyroscope; geomagnetic sensor; barometric altimeter; ambient-light sensor | Electrical heart sensor; third-generation optical heart sensor; temperature sensor; compass; always-on altimeter; high-g accelerometer; high-dynamic-range gyroscope; ambient light sensor; depth gauge; water temperature sensor |
| Health & wellness features | 24-hour heart-rate, blood-oxygen and stress monitoring; one-tap measurement; PAI; breathing exercises; health alerts | ECG app; blood oxygen feature where available; high and low heart-rate notifications; irregular rhythm notifications; temperature sensing; cycle tracking; mindfulness and medications apps |
| Sleep tracking | Sleep stages including REM; naps; sleep schedule; breathing quality; sleep score | Sleep tracking with sleep stages; sleep score; sleep apnea notifications where available |
| Sports / workout modes | 162 sports modes; smart recognition of 25 strength movements and 8 sports movements; freediving workouts | Workout app with multiple workout types and automatic workout detection |
| Training & outdoor features | Offline maps and route navigation; Zepp Coach; PeakBeats; Track Run; trajectory correction; Virtual Pacer; training templates and intervals; external heart-rate belt and cycling power meter; altitude, sun, moon and tide tools | Training load; pace and heart-rate zones; compass waypoints and backtrack; depth and water-temperature metrics |
| Safety & emergency features | Storm warnings; altitude blood-oxygen reminders; abnormal heart-rate, low-SpO₂ and high-stress alerts | Emergency SOS; international emergency calling; fall detection; crash detection; check in; siren |
| Diving / depth features | Outdoor and indoor freediving and spearfishing; depth and water-temperature data; rated to 30 m; EN13319 and ISO 6425 diving certifications | Depth gauge and water-temperature sensor for recreational underwater activity to 6 m |
| Battery & durability | ||
| Battery capacity | 500 mAh rated | — |
| Battery life | Typical: up to 20 days; saver: 25 days; clock: 50 days; heavy: 9 days; accuracy GPS: 28 h; automatic GPS: 46 h; power-saving GPS: 58 h; endurance GPS: 80 h; low-temperature GPS: 10 h | Up to 24 hours normal use; up to 38 hours in Low Power Mode |
| Charging | Magnetic charging base; approximately 2 hours | Fast charging; about 8 hours of sleep tracking from 8 minutes charge |
| Water resistance | 10 ATM; ISO 22810:2010 | Water resistant to 50 m under ISO 22810:2010 |
| Durability / certifications | Mud-resistant design; ultra-low-temperature mode down to −30 °C; SGS-certified 10 ATM testing; EN13319 and ISO 6425 diving certifications | IP6X dust resistant |
| Compatibility | ||
| Phone compatibility | Android 7.0 or later; iOS 12.0 or later | Requires iPhone 11 or later with iOS 26 or later |
| Companion app | Zepp App | Apple Watch app and Apple Health |
| Colors | Abyss Black; Sahara | Aluminium: Jet Black, Rose Gold, Silver, Space Gray Titanium: Natural, Gold, Slate |
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