| Display | 1.43-inch 466x466 OLED always-on (326 ppi) plus ultra-low-power display, sapphire crystal cover | 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 | Snapdragon W5+ Gen 1 (4nm SoC + 22nm co-processor) | 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 90 hours (Smart Mode) / up to 45 days (Essential Mode), 628 mAh typical | 435 mAh (44 mm), 325 mAh (40 mm), 445 mAh (Classic 46 mm) |
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| OS | Wear OS by Google (Wear OS 3.5) | Wear OS 6 with One UI 8 Watch; Gemini out of the box |
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| Water Resistance | 5ATM, MIL-STD-810H | — |
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| Connectivity | Bluetooth 5.2, Wi-Fi 2.4 GHz, NFC | LTE models, Bluetooth 5.3, Wi-Fi, NFC, L1+L5 dual-frequency GPS |
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| GNSS | GPS, BeiDou, GLONASS, Galileo, QZSS | — |
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| Sensors | Accelerometer, gyro, HD PPG heart rate, SpO2, skin temperature, off-body, barometer, compass | — |
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| Case | Stainless steel, 7000-series aluminum, nylon with fiberglass, 24 mm fluororubber strap | — |
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| Dimensions | 50.15 x 48.0 x 11.95 mm | — |
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| Weight | 44.7 g without band | — |
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| Colors | Obsidian, Slate | — |
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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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