| Case | Aluminum; 40 mm (42.7 x 40.4 x 8.6 mm, 31.5 g) and 44 mm (46.0 x 43.7 x 8.6 mm, 34.0 g) | — |
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| Display | 1.34-inch (40 mm, 438x438) or 1.47-inch (44 mm, 480x480) Super AMOLED, sapphire crystal, full-color Always On Display, up to 3,000 nits | 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 | Qualcomm Snapdragon Wear Elite (SDW6100, penta-core, 3nm) | Exynos W1000 (5-core, 3 nm) |
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| RAM | 2GB | — |
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| Storage | 32GB | — |
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| Battery | 390 mAh (40 mm) / 445 mAh (44 mm); Samsung: 20% more capacity than previous generation (40 mm basis); no runtime figure published at launch; WPC-based fast wireless charging | 435 mAh (44 mm), 325 mAh (40 mm), 445 mAh (Classic 46 mm) |
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| Water Resistance | 5ATM+ / IP68 / MIL-STD-810H | — |
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| Sensors | Samsung BioActive Sensor (optical heart rate, ECG, BIA), temperature, accelerometer, barometer, gyro, geomagnetic, light | — |
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| Connectivity | LTE, Bluetooth 6.0, Wi-Fi 2.4/5 GHz, NFC, L1+L5 dual-frequency GPS | LTE models, Bluetooth 5.3, Wi-Fi, NFC, L1+L5 dual-frequency GPS |
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| Health Features | Sleep Apnea, Vitals, Heart Health Score, Daily Cardio Load, Fitness Index, Hearing | — |
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| OS | Wear OS 7 (One UI 9 Watch); requires Android 13+ phone with Google Mobile Services | Wear OS 6 with One UI 8 Watch; Gemini out of the box |
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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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| 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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