| Display | 1.97-inch AMOLED, 390x450 pixels, 302 ppi, up to 2,000 nits peak brightness, tempered glass with anti-fingerprint coating | — |
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| Case | 46.3 x 40.2 x 10.45 mm without sensor base; 27.9 g without strap; aluminum alloy frame with fiber-reinforced polymer case; 22 mm liquid silicone strap; fits wrists of 130-195 mm | — |
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| Battery | Up to 14 days typical use (340 mAh rated); up to 6 days heavy use; up to 26 days in Battery Saver mode; up to 32 hours of continuous GPS (Amazfit figures) | Up to 7 days (Fitbit estimate, default settings) |
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| Navigation | Built-in GPS with 5 satellite positioning systems; downloadable offline maps with turn-by-turn directions | Built-in GPS; Google Maps turn-by-turn directions |
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| Health | BioTracker PPG biometric sensor (5PD + 2LED): heart rate, blood oxygen, stress, HRV, sleep tracking, breathing rate, PAI health assessment, cycle tracking | — |
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| Sensors | Acceleration, gyroscope, ambient light, geomagnetic | Heart rate with machine-learning algorithm (up to 60% more accurate than Charge 5 in HIIT, spinning and rowing per Fitbit), ECG app (select countries), EDA stress scan, SpO2, heart rate variability, breathing rate |
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| Features | 140+ sports modes including HYROX Race, smart strength training with auto-detection of 25 exercises, Zepp Coach, Zepp Flow voice control (select countries), Bluetooth calls, notifications, music controls | Google Wallet contactless payments, YouTube Music controls (Premium subscription), 40+ exercise modes, heart rate broadcast to compatible gym equipment over encrypted Bluetooth, Zoom + Magnification accessibility feature |
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| Connectivity | Bluetooth 5.2, BLE; Android 7.0 and above, iOS 14.0 and above | — |
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| Durability | 5 ATM water resistance | — |
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| Colors | Black, Charcoal, Stone, Red | Obsidian, Porcelain, Coral |
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| Controls | — | Haptic side button |
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| Compatibility | — | Android 9.0 or newer, iOS 15 or newer, Google Account required |
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| Subscription | — | 6 months of Fitbit Premium included with device |
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