Amazfit T-Rex 3 vs Samsung Galaxy Watch 8 Classic
Compare specifications, current prices and availability. Choose up to four products from the same family.
 Samsung Galaxy Watch 8 Classic Original price was: KSh 48,500.00.KSh 35,500.00Current price is: KSh 35,500.00.Buy now |
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Add up to 2 more items to compare
OnePlus Watch 2KSh 29,500.00
Huawei Watch GT 6 Pro Original price was: KSh 36,000.00.KSh 33,500.00Current price is: KSh 33,500.00.
WHOOP ONE 5.0 SensorKSh 37,000.00
Huawei Watch GT Runner 2 Original price was: KSh 45,000.00.KSh 37,000.00Current price is: KSh 37,000.00.
At a glance
Key specifications and important differences. Full details follow below.
| Feature |  Amazfit T-Rex 3 | Samsung Galaxy Watch 8 Classic |
|---|---|---|
| Price | KSh 33,000.00 | Original price was: KSh 48,500.00.KSh 35,500.00Current price is: KSh 35,500.00. |
| Display | 1.5-inch AMOLED touchscreen | 1.34-inch Super AMOLED |
| Battery capacity | 700 mAh rated | 445 mAh |
| Water resistance | 10 ATM; suitable for swimming and supported high-speed water sports subject to manufacturer guidance | 5 ATM |
| Processor | — | Exynos W1000 (3 nm) |
| RAM | — | 2 GB |
| Storage | — | 64 GB |
| Operating system | — | Wear OS 6 Powered by Samsung; One UI 8 Watch |
| Network / cellular | — | LTE on LTE models only |
| Positioning / GNSS | Dual-band, six-satellite positioning | Built-in dual-frequency L1 + L5 GPS; GPS, GLONASS, BeiDou and Galileo |
| Health & wellness features | Heart rate, blood oxygen, stress, PAI and temperature insights; wellness measurements are not intended for medical diagnosis | Heart and wellness tracking; Antioxidant Index, Vascular Load, Energy Score and stress features. Availability varies by market and paired phone. |
Full specifications
2 of 4 products
| Specification | Amazfit T-Rex 3 | Samsung Galaxy Watch 8 Classic |
|---|---|---|
| Identity & design | ||
| Brand | Amazfit | Samsung |
| Model | T-Rex 3 | Galaxy Watch8 Classic |
| Announced | — | 9 July 2025 |
| Dimensions | 48.5 × 48.5 × 13.75 mm (heart-rate sensor base excluded) | 46.4 × 46.0 × 10.6 mm |
| Weight | 68.3 g without strap | 63.5 g (without band) |
| Build materials | Stainless-steel bezel, polymer middle frame and Gorilla Glass touchscreen | Stainless-steel case; sapphire crystal display |
| Wrist size | 145–210 mm | — |
| Strap / band | 22 mm liquid-silicone strap with classic pin buckle | — |
| Controls / buttons | Four physical buttons and touchscreen | Rotating bezel, touchscreen, Quick button and physical buttons |
| Display | ||
| Display | 1.5-inch AMOLED touchscreen | 1.34-inch Super AMOLED |
| Screen resolution | 480 × 480 pixels, 322 ppi | 438 × 438 pixels (327 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 | Full-colour Always-On Display; up to 3,000 nits peak brightness |
| Performance & software | ||
| Processor | — | Exynos W1000 (3 nm) |
| CPU | — | 5-core CPU |
| RAM | — | 2 GB |
| Storage | — | 64 GB |
| Operating system | — | Wear OS 6 Powered by Samsung; One UI 8 Watch |
| Connectivity | ||
| Network / cellular | — | LTE on LTE models only |
| SIM / eSIM | — | eSIM on LTE models |
| Wi-Fi | 2.4 GHz Wi-Fi | Wi-Fi 2.4 GHz and 5 GHz |
| Bluetooth | Bluetooth 5.2 BLE | Bluetooth 5.3 |
| NFC | — | Supported |
| Positioning / GNSS | Dual-band, six-satellite positioning | Built-in dual-frequency L1 + L5 GPS; GPS, GLONASS, BeiDou and Galileo |
| Audio & communication | ||
| Microphone | Built-in microphone | — |
| Calling | Zepp Flow voice control and speech-to-text replies when paired with a supported phone | — |
| 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 | Samsung BioActive Sensor (optical bio-signal, electrical heart signal and bioelectrical impedance analysis), temperature sensor, accelerometer, barometer, gyroscope, geomagnetic sensor, light sensor and 3D Hall sensor |
| Health & wellness features | Heart rate, blood oxygen, stress, PAI and temperature insights; wellness measurements are not intended for medical diagnosis | Heart and wellness tracking; Antioxidant Index, Vascular Load, Energy Score and stress features. Availability varies by market and paired phone. |
| Sleep tracking | Sleep stages, naps, sleep score, breathing quality and recovery insights | Sleep tracking, sleep coaching, Bedtime Guidance and sleep-apnoea features where available |
| 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 | Running Coach and dual-frequency route tracking |
| Diving / depth features | Freediving support to 45 m under applicable certification | — |
| Battery & durability | ||
| Battery capacity | 700 mAh rated | 445 mAh |
| 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 | Always-On Display off: up to 40 hours Always-On Display on: up to 30 hours |
| Charging | Magnetic charging base; approximately 3 hours; USB-C cable is not included | Fast WPC-based wireless charging |
| 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 | IP68; MIL-STD-810H |
| Compatibility | ||
| Phone compatibility | Android 7.0 or later; iOS 14.0 or later | Android 12 or later with more than 1.5 GB RAM and Google Mobile Services; compatibility varies by market and device |
| Companion app | Zepp app | Samsung Health |
| Colors | Onyx, Lava or Haze Gray | Black and White |
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