| Display | 1.6-inch AMOLED, 256 x 402 pixels, 16M colors; Samsung states it is 45% wider than the Galaxy Fit2 display | 46 mm: 1.5-inch LTPO 2.0 AMOLED, 466x466, 310 ppi; 42 mm: 1.38-inch LTPO 2.0 AMOLED, 466x466, 338 ppi; up to 3,000 nits peak (Huawei lab figure); spherical sapphire glass |
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| Case | Aluminum body; 42.9 x 28.8 x 9.9 mm; 18.5 g (body); quick-release band button; gray, silver and pink gold | 46 mm: stainless steel front, polymer composite rear; 42 mm: aluminum alloy front, polymer composite rear; EasyCross fluoroelastomer straps |
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| Battery | Up to 13 days typical use (208 mAh typical capacity, Samsung lab test with notifications and 30 minutes of workouts per day) | Up to 4.5 days typical (46 mm), up to 3 days with always-on display; 42 mm: up to 3 days typical, 2 days always-on; Battery saver mode up to 11 days light use (46 mm) or 7 days (42 mm); wireless charging (Huawei lab tests) |
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| Health Sensors | Optical heart rate sensor, accelerometer, barometer, gyro sensor, light sensor; heart rate, stress, sleep tracking with snoring detection (via paired phone microphone) and overnight blood oxygen, Sleep Coaching | — |
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| Sports | 100+ workout types; Fall Detection and Emergency SOS (press the side button five times) | — |
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| Memory | 16 MB RAM, 256 MB storage | — |
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| Connectivity | Bluetooth 5.3; sensor list does not include a GNSS receiver | eSIM cellular, Bluetooth 5.2, NFC, NearLink, Wi-Fi 2.4 + 5 GHz, speaker and microphone |
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| Water Resistance | 5ATM and IP68 | — |
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| OS | FreeRTOS; requires a paired Android 10 or later smartphone with at least 1.5GB memory and a Samsung account | Huawei watch software with the Huawei Health app; works with Android 9.0+ and iOS 13.0+ |
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| Size | — | 46 mm: 46.4 x 46.4 x 10.9 mm, about 60 g; 42 mm: 42.3 x 42.3 x 10.2 mm, about 38 g (strap excluded) |
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| Durability | — | 5 ATM, IP69, free-dive rated to 40 m (EN13319) |
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| Sensors | — | 12-channel optical heart rate (X-TAP), ECG, temperature, barometer, depth, accelerometer, gyroscope, compass, ambient light |
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| Positioning | — | Dual-band GPS (L1+L5), GLONASS, BeiDou, Galileo, QZSS |
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| Colors | — | 46 mm: Blue, Black; 42 mm: White, Gold, Black |
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