| Display | 1.91" TFT LCD, 320x380, 260 PPI, 2.5D tempered glass with anti-fingerprint coating | 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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| Case | 45.94 x 38.09 x 11.2 mm, 26 g without strap, plastic bottom case, 22mm silicone strap | — |
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| Battery | Up to 10 days typical use (5 days heavy use, 26 days battery saver mode), 300 mAh | 435 mAh (44 mm), 325 mAh (40 mm), 445 mAh (Classic 46 mm) |
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| Water Resistance | IP68 | — |
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| OS | Zepp OS 2.0 | Wear OS 6 with One UI 8 Watch; Gemini out of the box |
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| Sensors | BioTracker PPG biometric sensor (heart rate, SpO2), 3-axis accelerometer, 4 satellite positioning systems | — |
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| Connectivity | Bluetooth 5.2 BLE, built-in speaker and microphone for Bluetooth calls | LTE models, Bluetooth 5.3, Wi-Fi, NFC, L1+L5 dual-frequency GPS |
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| Compatibility | Android 7.0+ and iOS 14.0+ via the Zepp app | — |
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| Features | 120+ sports modes, Amazon Alexa, 70+ mini apps, 24-hour heart rate, SpO2 and stress monitoring, sleep tracking, PAI, menstrual cycle tracking | — |
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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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