Compare Fitbit Sense 2
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| Dimensions | 40.5 x 40.5 x 12.3 mm | 42.8 x 44.4 x 9 mm | 44.4 x 44.4 x 9.7 mm | 45.4 x 45.4 x 10.5 mm | 42.2 x 42.2 x 11.1 mm |
| Weight | not yet known | 33.3 grams | 33.8 grams | 46.5 grams | 36 grams |
| Stand-by | depends on usage | depends on usage | depends on usage | depends on usage | depends on usage |
| Talk time | depends on usage | depends on usage | depends on usage | depends on usage | depends on usage |
| Watch | |||||
| Directional key | |||||
| Touchscreen | Capacitive | 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 | Adjustable display brightness, 16.777.216 colors (24 bits), Circular Super AMOLED, Always On feature | AMOLED |
| 1.34 inch | 1.5 inch | 1.5 inch | 1.4 inch | 1.2 inch |
| 300 x 300 pixels | 480 x 480 pixels | 480 x 480 pixels | 450 x 450 pixels | 390 x 390 pixels |
| 1:1 | 1:1 | 1:1 | 1:1 | 1:1 |
| 317 | 453 | 453 | 455 | 460 |
| 35.3% | 38.2% | 36.8% | 30.7% | 26.1% |
| Aluminium | |||||
| Dust and waterproof | 5 ATM | IP68, 5 ATM | IP6X, 5 ATM | IP68, 5 ATM | 5 ATM |
| Gorilla Glass | |||||
| Rugged housing | MIL-STD-810H | MIL-STD-810H | MIL-STD-810H | ||
| Sapphire Crystal | |||||
| Titanium | |||||
| Plastic | |||||
| Vibrating alert | |||||
| eSIM | |||||
| Flight mode | |||||
| Agenda | |||||
| Alarm clock | |||||
| Date and time notation | |||||
| Reminder list | |||||
| Stopwatch & countdown timer | |||||
| Pedometer | |||||
| Calories | |||||
| A-GPS | |||||
| Digital Compass | |||||
| GLONASS | |||||
| GPS receiver | |||||
| Beidou | |||||
| Galileo | |||||
| Microphone | |||||
| Internal memory | |||||
| 2 GB | 2 GB | 1.5 GB | ||
| 4 GB | 16 GB | 32 GB | 16 GB | 4 GB |
| Bluetooth | v5.0 | v5.3 | v5.3 | v5.2 | |
| NFC | |||||
| Wireless Lan (WLAN/Wi-Fi) | Wi-Fi 4 (802.11n) | Wi-Fi 4 (802.11n) | Wi-Fi 4 (802.11n) | ||
| ANT+ | |||||
| Battery | Li-poly | ||||
| 425 mAh | 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 10.0 | Vanaf 11.0 | Vanaf 8.0 | |
| With iOS | Vanaf 14.0 | ||||
| Wear OS | 4.0 | 5.0 | 3.5 | ||
| One UI Watch | 5.0 | 6.0 | 4.5 | ||
| Integrated antenna | |||||
| Processor | Samsung Exynos W930, Dual Core | Samsung Exynos W1000, Dual Core | Samsung Exynos W920, Dual Core | ||
| 1.4 GHz | 1.18 GHz | |||
| Instant messaging | |||||
| MMS | |||||
| SMS | |||||
| 4G (LTE) | |||||
