| Display | 46 mm: 1.43" AMOLED, 466 x 466 pixels, 326 PPI; 41 mm: 1.32" AMOLED, 466 x 466 pixels, 352 PPI | 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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| Case | Stainless steel; 46 x 46 x 10.9 mm, about 48 g; 41.3 x 41.3 x 9.8 mm, about 37 g (straps excluded) | — |
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| Battery | 46 mm: up to 14 days maximum, 8 days regular, 4 days with Always On Display; 41 mm: up to 7 days maximum, 4 days regular, 2 days with Always On Display; wireless charging | 435 mAh (44 mm), 325 mAh (40 mm), 445 mAh (Classic 46 mm) |
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| Sensors | Accelerometer, gyroscope, magnetometer, optical heart rate, barometer, temperature | — |
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| Health | TruSeen 5.5+ heart rate and SpO2, TruSleep 3.0, stress monitoring, pulse wave arrhythmia analysis (select countries), women's health tracking | Samsung BioActive Sensor, temperature sensor, Antioxidant Index, Bedtime Guidance, Vascular Load, Running Coach |
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| Features | 100+ workout modes, Stay Fit calorie app, Bluetooth calls, independent music playback, NFC, 25,000+ watch faces | — |
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| Controls | Rotating crown and side button | — |
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| Connectivity | Bluetooth 5.2 (BR + BLE), NFC; works with Android 8.0+ and iOS 13.0+ | 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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| Support | Huawei lists a defined security support period of 2 years (until 18 March 2026) | — |
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| Colors | 46 mm: Black, Grey, Green, Brown; 41 mm: White, Silver, Light Gold, Black, Green | — |
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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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