| Display | 1.62-inch AMOLED, 286x482 pixels (347 ppi), 60 Hz, up to 2000 nits peak brightness, touchscreen with Always-On Display | 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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| Body | CNC-cut aluminium alloy case in green, blue or black; 43.5 x 28.2 x 8.99 mm (thickness measured at thinnest point, excluding sensor area); about 18 g without strap; green with woven nylon strap, blue and black with fluoroelastomer strap; fits 130-210 mm wrists | 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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| Battery | Up to 14 days (light use), up to 8 days (typical use), up to 3 days with Always-On Display; 300 mAh, magnetic charging (5V/1A) | 435 mAh (44 mm), 325 mAh (40 mm), 445 mAh (Classic 46 mm) |
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| Positioning | Independent GNSS positioning for outdoor running and cycling | — |
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| Sensors | Optical heart-rate sensor, 9-axis IMU (accelerometer, gyroscope, magnetometer), ambient light sensor | — |
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| Connectivity | Bluetooth 6.0 and BLE, 2.4 GHz | LTE models, Bluetooth 5.3, Wi-Fi, NFC, L1+L5 dual-frequency GPS |
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| Durability | 5 ATM water resistance (ISO 22810:2010) | — |
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| Health | 24/7 heart rate, SpO2, HRV monitoring, TruSleep sleep tracking, Sleep Breathing Awareness, pulse wave arrhythmia analysis (region dependent), emotional wellbeing and stress tools, cycle calendar; not a medical device | Samsung BioActive Sensor, temperature sensor, Antioxidant Index, Bedtime Guidance, Vascular Load, Running Coach |
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| Sports | Around 100 workout modes including indoor, outdoor and track running, race prediction, running form analysis and cycling auto-pause detection | — |
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| Compatibility | Huawei Health app; Android 9.0 or later and iOS 13.0 or later | — |
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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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| OS | — | Wear OS 6 with One UI 8 Watch; Gemini out of the box |
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