| Display | 1.91" TFT LCD, 320x380, 260 PPI, 2.5D tempered glass with anti-fingerprint coating | 1.5" AMOLED, 480 x 480, 323 PPI, tempered glass |
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| Case | 45.94 x 38.09 x 11.2 mm, 26 g without strap, plastic bottom case, 22mm silicone strap | 46 x 46 x 10.6 mm, aluminum alloy middle frame, fiber-reinforced polymer bottom shell, 35 g without strap |
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| Battery | Up to 10 days typical use (5 days heavy use, 26 days battery saver mode), 300 mAh | Up to 14 days typical use (up to 5 days with always-on display), 475 mAh |
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| Water Resistance | IP68 | 5 ATM |
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| OS | Zepp OS 2.0 | Zepp OS 3.0 at launch (later Zepp OS 3.5 / 4) |
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| Sensors | BioTracker PPG biometric sensor (heart rate, SpO2), 3-axis accelerometer, 4 satellite positioning systems | BioTracker 5.0 PPG (8PD + 2LED), BIA bioelectric impedance, accelerometer, gyroscope, geomagnetic, barometric, ambient light, temperature |
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| Connectivity | Bluetooth 5.2 BLE, built-in speaker and microphone for Bluetooth calls | Wi-Fi 2.4GHz, Bluetooth 5.0, Bluetooth phone calls |
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| Compatibility | Android 7.0+ and iOS 14.0+ via the Zepp app | Android 7.0+, iOS 14.0+ |
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| Features | 120+ sports modes, Amazon Alexa, 70+ mini apps, 24-hour heart rate, SpO2 and stress monitoring, sleep tracking, PAI, menstrual cycle tracking | — |
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| GPS | — | Dual-band GPS, 6 satellite systems, offline maps |
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| Storage | — | Music storage up to 2.2GB |
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