| Display | 1.43" AMOLED, 466 x 466 pixels, 326 ppi, 60Hz, 600 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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| Chip | BES 2700BP | — |
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| Memory | 32MB RAM + 4GB ROM | — |
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| Case | Aluminum alloy frame, stainless steel bezel, Corning glass; interchangeable bezel (extra bezels sold separately) | — |
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| Size | 47 x 47 x 12 mm, 44 g without strap | — |
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| Strap | Fluororubber, 140-210 mm adjustable | — |
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| Battery | Up to 15 days typical use (Android), up to 14.5 days (iOS), up to 5 days with always-on display; 486 mAh, 2-pin magnetic charging dock | 435 mAh (44 mm), 325 mAh (40 mm), 445 mAh (Classic 46 mm) |
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| Water Resistance | 5 ATM | — |
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| Positioning | Dual-band L1+L5 GNSS: GPS, BeiDou, GLONASS, Galileo, QZSS | — |
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| Connectivity | Bluetooth 5.2, Bluetooth calling, NFC (Mastercard terminals, varies by region) | LTE models, Bluetooth 5.3, Wi-Fi, NFC, L1+L5 dual-frequency GPS |
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| Sensors | Heart rate with blood oxygen, accelerometer, gyroscope, compass, barometer, ambient light, hall sensor | — |
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| Sports Modes | 150+ sports modes | — |
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| Compatibility | Android 8.0 or later, iOS 12.0 or later | — |
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| Colors | Black, Silver | — |
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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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| OS | — | Wear OS 6 with One UI 8 Watch; Gemini out of the box |
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| Health | — | Samsung BioActive Sensor, temperature sensor, Antioxidant Index, Bedtime Guidance, Vascular Load, Running Coach |
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