| Display | 1.72" AMOLED touchscreen, 212x520, 60Hz, up to 1,500 nits (HBM), 2.0 mm bezels | 1.62-inch AMOLED, 286x482 pixels (347 ppi), 60 Hz, up to 1500 nits peak brightness, touchscreen with Always-On Display |
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| Body | 46.57 x 22.54 x 10.95 mm (without sensor), 15.95 g without strap; aluminium alloy frame with TPU strap; Ceramic Edition 23.05 g; fits 135-210 mm wrists | 42.6 x 28.2 x 8.99 mm (thickness measured at thinnest point, excluding sensor area); about 17 g with aluminium alloy case (beige, green, purple, white, black) or about 16 g with durable polymer case (purple, black); fluoroelastomer straps; fits 120-210 mm wrists depending on colour |
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| Battery | Up to 21 days (typical use), up to 9 days with always-on display, up to 8 days heavy use; 233 mAh, magnetic charging in about 1 hour | 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) |
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| Sensors | Accelerometer, gyroscope, compass, optical heart-rate and SpO2 sensor, ambient light sensor | Optical heart-rate sensor, 9-axis IMU (accelerometer, gyroscope, magnetometer), ambient light sensor |
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| Connectivity | Bluetooth 5.4 | Bluetooth 6.0 and BLE, 2.4 GHz; relies on the phone for GNSS during outdoor cycling |
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| Durability | 5 ATM water resistance | 5 ATM water resistance (ISO 22810:2010) |
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| Sports | 150+ sports modes, real-time heart rate while swimming, heart rate broadcast | Around 100 workout modes, Active Rings activity goals including a wheelchair mode |
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| OS | Mi Fitness app; compatible with Android 8.0+ and iOS 14.0+ | — |
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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 |
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| Compatibility | — | Huawei Health app; Android 9.0 or later and iOS 13.0 or later |
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