| Sizes | 40 mm and 44 mm; Bluetooth and LTE variants; Green, Silver and Cream | Watch8 in 40 mm and 44 mm (Graphite, Silver); Watch8 Classic in 46 mm (Black, White) |
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| Display | Super AMOLED, 480x480 (44 mm) / 432x432 (40 mm), 2,000 nits, sapphire crystal, always-on option | 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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| Chipset | Exynos W1000 (5-core, 3 nm), 1.6GHz | Exynos W1000 (5-core, 3 nm) |
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| RAM | 2GB | — |
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| Storage | 32GB | — |
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| Battery | Up to 40 hours (always-on display off), up to 30 hours (always-on display on); 425 mAh (44 mm), 300 mAh (40 mm), fast wireless charging | 435 mAh (44 mm), 325 mAh (40 mm), 445 mAh (Classic 46 mm) |
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| Body | Armor Aluminum; 44.4 x 44.4 x 9.7 mm, 33.8 g (44 mm); 40.4 x 40.4 x 9.7 mm, 28.9 g (40 mm) | 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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| Durability | 5ATM, IP68, MIL-STD-810H | — |
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| Sensors | BioActive Sensor (optical heart rate, ECG, bioelectrical impedance), infrared skin temperature, accelerometer, barometer, gyro, geomagnetic, light | — |
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| Connectivity | Bluetooth 5.3, Wi-Fi 2.4GHz + 5GHz, NFC, dual-frequency L1+L5 GPS, optional LTE | LTE models, Bluetooth 5.3, Wi-Fi, NFC, L1+L5 dual-frequency GPS |
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| OS | Wear OS Powered by Samsung, One UI Watch; works with Android 11 or later (not iPhone) | Wear OS 6 with One UI 8 Watch; Gemini out of the box |
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| Memory / Storage | — | 2 GB memory, 32 GB or 64 GB storage depending on model |
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| Health | — | Samsung BioActive Sensor, temperature sensor, Antioxidant Index, Bedtime Guidance, Vascular Load, Running Coach |
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