Compare Fitbit Sense 2
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| Dimensions | 40.5 x 40.5 x 12.3 mm | 44.4 x 44.4 x 9.7 mm | 45.4 x 45.4 x 10.5 mm |
| Weight | not yet known | 33.8 grams | 46.5 grams |
| Stand-by | depends on usage | depends on usage | depends on usage |
| Talk time | depends on usage | depends on usage | depends on usage |
| Watch | |||
| Directional key | |||
| Touchscreen | Capacitive | Capacitive | |
| Voice command | |||
| Color display | AMOLED | Adjustable display brightness, 16.777.216 colors (24 bits), Circular Super AMOLED, Always On feature | Adjustable display brightness, 16.777.216 colors (24 bits), Circular Super AMOLED, Always On feature |
| 1.34 inch | 1.5 inch | 1.4 inch |
| 300 x 300 pixels | 480 x 480 pixels | 450 x 450 pixels |
| 1:1 | 1:1 | 1:1 |
| 317 | 453 | 455 |
| 35.3% | 36.8% | 30.7% |
| Aluminium | |||
| Dust and waterproof | 5 ATM | IP6X, 5 ATM | IP68, 5 ATM |
| Gorilla Glass | |||
| Rugged housing | MIL-STD-810H | MIL-STD-810H | |
| Sapphire Crystal | |||
| Titanium | |||
| Vibrating alert | |||
| eSIM | |||
| Flight mode | |||
| Agenda | |||
| Alarm clock | |||
| Date and time notation | |||
| Reminder list | |||
| Stopwatch & countdown timer | |||
| Pedometer | |||
| A-GPS | |||
| Digital Compass | |||
| GLONASS | |||
| GPS receiver | |||
| Beidou | |||
| Galileo | |||
| Microphone | |||
| Internal memory | |||
| 2 GB | 1.5 GB | |
| 4 GB | 32 GB | 16 GB |
| Bluetooth | v5.0 | v5.3 | v5.2 |
| NFC | |||
| Wireless Lan (WLAN/Wi-Fi) | Wi-Fi 4 (802.11n) | Wi-Fi 4 (802.11n) | |
| Battery | Li-poly | ||
| 425 mAh | 590 mAh | |
| Wireless charging | |||
| Altimeter | |||
| Ambient light sensor | |||
| Gesture recognition | |||
| Gyroscope | |||
| Heart rate monitor | |||
| Oxygen saturation (SpO2) | |||
| Thermometer | |||
| Barometer | |||
| With Android | Vanaf 10.0 | Vanaf 11.0 | Vanaf 8.0 |
| With iOS | Vanaf 14.0 | ||
| Wear OS | 5.0 | 3.5 | |
| One UI Watch | 6.0 | 4.5 | |
| Integrated antenna | |||
| Processor | Samsung Exynos W1000, Dual Core | Samsung Exynos W920, Dual Core | |
| 1.18 GHz | ||
| Instant messaging | |||
| MMS | |||
| SMS | |||
| 4G (LTE) | |||
