Compare Fitbit Sense 2
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| Dimensions | 40.5 x 40.5 x 12.3 mm | 49 x 44 x 14.4 mm | 42.2 x 42.2 x 11.1 mm | 42.8 x 44.4 x 9 mm |
| Weight | not yet known | 61.4 grams | 36 grams | 33.3 grams |
| Stand-by | depends on usage | 3 days | depends on usage | depends on usage |
| Talk time | depends on usage | depends on usage | depends on usage | depends on usage |
| Watch | ||||
| Directional key | ||||
| Touchscreen | Force Touch, Capacitive | Capacitive | ||
| Hand gestures | ||||
| Voice command | ||||
| Color display | AMOLED | Adjustable display brightness, 16.777.216 colors (24 bits), Always-On Retina Display, Always On feature | AMOLED | Adjustable display brightness, 16.777.216 colors (24 bits), Circular Super AMOLED, Always On feature |
| 1.34 inch | 1.9 inch | 1.2 inch | 1.5 inch |
| 300 x 300 pixels | 410 x 502 pixels | 390 x 390 pixels | 480 x 480 pixels |
| 1:1 | 1:1 | 1:1 | |
| 3000 nits | |||
| 317 | 341 | 460 | 453 |
| 35.3% | 52.9% | 26.1% | 38.2% |
| Aluminium | ||||
| Dust and waterproof | 5 ATM | IP6X, 10 ATM | 5 ATM | IP68, 5 ATM |
| Gorilla Glass | ||||
| Rugged housing | MIL-STD-810H | MIL-STD-810H | ||
| Sapphire Crystal | ||||
| Sustainable | Carbon neutral | |||
| Titanium | ||||
| Plastic | ||||
| Vibrating alert | ||||
| Integrated handsfree speaker | ||||
| Agenda | ||||
| Alarm clock | ||||
| Date and time notation | ||||
| Reminder list | ||||
| Stopwatch & countdown timer | ||||
| Pedometer | ||||
| Photo album | ||||
| Calories | ||||
| A-GPS | ||||
| Digital Compass | ||||
| GLONASS | ||||
| GPS receiver | ||||
| Build-in navigation system | Apple Maps | |||
| Galileo | ||||
| Quasi-Zenith (QZSS) | ||||
| Beidou | ||||
| Microphone | ||||
| Internal memory | ||||
| 2 GB | |||
| 4 GB | 64 GB | 4 GB | 16 GB |
| Bluetooth | v5.0 | v5.3 | v5.3 | |
| NFC | ||||
| Wireless Lan (WLAN/Wi-Fi) | Wi-Fi 4 (802.11n) | Wi-Fi 4 (802.11n) | ||
| Satellite communication | ||||
| Synchronisation | ||||
| Ultra-wideband (UWB) | ||||
| ANT+ | ||||
| Battery | Li-poly | Li-ion | ||
| 564 mAh | 425 mAh | ||
| Fast charging | ||||
| 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 | ||
| With iOS | Vanaf 14.0 | |||
| watchOS | 10 | |||
| Wear OS | 4.0 | |||
| Processor | Apple S9, Dual Core | Samsung Exynos W930, Dual Core | ||
| 1.4 GHz | |||
| Integrated antenna | ||||
| 4G (LTE) | ||||
| UMTS | ||||
| One UI Watch | 5.0 | |||
| Instant messaging | ||||
| MMS | ||||
| SMS | ||||
