| Display | 1.82-inch AMOLED, 480x408, 347 ppi, up to 2,500 nits peak (Huawei lab figure) | Super AMOLED with full-colour always-on display; 1.47-inch (44 mm) or 1.34-inch (40 mm, 46 mm Classic); sapphire crystal; up to 3,000 nits (Samsung claim) |
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| Size | 42.9 x 38.2 x 9.5 mm (thickness excludes the sensor area), about 27 g without strap; wrist sizes 120-190 mm (purple) or 130-210 mm (other colours) | — |
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| Case | Aluminum alloy; fluoroelastomer straps, green-grey nylon strap; the silver edition uses recycled materials | — |
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| Battery | Up to 10 days (light use), up to 7 days (typical use), up to 4 days with always-on display; wireless charging, about 75 minutes (Huawei lab tests) | 435 mAh (44 mm), 325 mAh (40 mm), 445 mAh (Classic 46 mm) |
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| Storage | 64GB | — |
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| Durability | 5 ATM (ISO 22810:2010), IP6X | — |
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| Sensors | Optical heart rate (6 LED, 6 PD), SpO2, accelerometer, gyroscope, magnetometer, ambient light, barometer, temperature sensor | — |
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| Positioning | Dual-band GPS (L1+L5), GLONASS, BeiDou, Galileo, QZSS, NavIC | — |
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| Connectivity | Bluetooth 6.0, NFC, speaker and microphone | LTE models, Bluetooth 5.3, Wi-Fi, NFC, L1+L5 dual-frequency GPS |
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| Sports | 100+ workout modes, mini-workout, ball-sport and cycling modes | — |
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| OS | Huawei Health app; works with Android 9.0+ and iOS 13.0+ | Wear OS 6 with One UI 8 Watch; Gemini out of the box |
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| Colors | Silver, Purple, Green, White, Black | — |
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| Sizes | — | Watch8 in 40 mm and 44 mm (Graphite, Silver); Watch8 Classic in 46 mm (Black, White) |
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| Chipset | — | Exynos W1000 (5-core, 3 nm) |
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| Memory / Storage | — | 2 GB memory, 32 GB or 64 GB storage depending on model |
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| Body | — | 8.6 mm thick and 30-34 g (Watch8); 10.6 mm and 63.5 g (Classic); 5ATM + IP68 / MIL-STD-810H |
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| Health | — | Samsung BioActive Sensor, temperature sensor, Antioxidant Index, Bedtime Guidance, Vascular Load, Running Coach |
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