| Display | 1.75-inch AMOLED, 390 x 450 pixels (341 ppi), sapphire glass, up to 2,000 nits peak brightness | 1.5-inch AMOLED, 480x480, 323 ppi, up to 3,000 nits peak, strengthened glass with anti-fingerprint coating |
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| Case | Square case, stainless-steel bezel with fiber-reinforced polymer body, 43.32 x 36.9 x 9 mm, 2 buttons | — |
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| Weight | 31.4 g (without strap) | — |
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| Strap | 20 mm leather strap with pin buckle (150-210 mm) plus an additional red silicone sport strap (135-195 mm) in the box | — |
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| Battery | Up to 10 days typical use, up to 19 days in battery saver mode, up to 5 days heavy use, up to 21 hours continuous GPS, 260 mAh (rated), magnetic charging base, about 2 hours to charge | Up to 25 days (typical use), up to 13 days (heavy use), up to 10 days with always-on display; up to 64 hours of continuous GPS; 658 mAh |
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| Sensors | BioTracker 6.0 PPG heart-rate sensor, accelerometer, gyroscope, ambient light sensor, geomagnetic sensor, temperature sensor, barometric altimeter | BioTracker PPG biometric sensor (5PD + 2LED), accelerometer, gyroscope, geomagnetic, barometric altimeter, ambient light, temperature |
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| Positioning | 5 satellite positioning systems with circularly polarised antenna, offline maps with turn-by-turn directions | Five satellite positioning systems; free downloadable offline maps, including ski resort maps |
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| Water Resistance | 5 ATM | — |
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| Connectivity | Bluetooth 5.2 (BLE) | Bluetooth LE 5.3, Bluetooth calls, microphone and speaker |
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| Audio | Built-in microphone and speaker | — |
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| Sports Modes | 160+ sports modes including HYROX race mode, strength-training recognition of 25 movements and 8 sports movements | — |
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| Health Tracking | 24-hour heart rate, blood-oxygen, stress and skin temperature, sleep stages and breathing quality, Readiness score, HRV, PAI, menstrual cycle tracking | — |
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| Smart Features | Zepp Flow voice assistant (select regions), Zepp Coach, Bluetooth music control, call and app notifications, Android quick replies | — |
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| Compatibility | Android 7.0 and above, iOS 15.0 and above, via the Zepp App | — |
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| In the Box | Amazfit Active 2 Square with black leather strap, additional red silicone strap, magnetic charging base (no USB-C cable), instruction manual | — |
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| Body | — | Aluminum alloy frame, polymer case; 48.5 x 48.5 x 12.2 mm, 39.5 g without strap; 22 mm silicone strap; two buttons |
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| Durability | — | 5 ATM water resistance (ISO 22810:2010) |
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| Storage | — | 4GB onboard |
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| Sports | — | 170+ sport modes, automatic recognition of 25 strength exercises, HYROX tools, HybridCharge energy intelligence |
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| OS | — | Zepp OS (release notes list an upgrade to Zepp OS 6); Zepp App for Android 7.0+ and iOS 14.0+ |
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