Compare Fitbit Charge 3
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| Dimensions | 38 x 18.3 x 11.8 mm | 45.4 x 45.4 x 10.5 mm | 40.5 x 40.5 x 12.3 mm | 43.2 x 43.2 x 12.4 mm |
| Weight | 30 grams | 46.5 grams | not yet known | 46.3 grams |
| Stand-by | 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 |
| Fitness tracker | ||||
| Watch | ||||
| Touchscreen | Capacitive | |||
| Directional key | ||||
| Voice command | ||||
| Monochrome display | OLED | |||
| Color display | Adjustable display brightness, 16.777.216 colors (24 bits), Circular Super AMOLED, Always On feature | AMOLED | AMOLED | |
| 1.4 inch | 1.34 inch | 1.2 inch | |
| 450 x 450 pixels | 300 x 300 pixels | 390 x 390 pixels | |
| 1:1 | 1:1 | 1:1 | |
| 455 | 317 | 460 | |
| 30.7% | 35.3% | 24.9% | |
| Dust and waterproof | 5 ATM | IP68, 5 ATM | 5 ATM | 5 ATM |
| Gorilla Glass | ||||
| Rugged housing | MIL-STD-810H | |||
| Sapphire Crystal | ||||
| Titanium | ||||
| Aluminium | ||||
| Vibrating alert | ||||
| eSIM | ||||
| Flight mode | ||||
| Alarm clock | ||||
| Date and time notation | ||||
| Reminder list | ||||
| Agenda | ||||
| Stopwatch & countdown timer | ||||
| Calories | ||||
| Pedometer | ||||
| USB | ||||
| Bluetooth | v4.0 | v5.2 | v5.0 | |
| NFC | ||||
| Wireless Lan (WLAN/Wi-Fi) | Wi-Fi 4 (802.11n) | |||
| ANT+ | ||||
| Battery | Li-ion | Li-poly | ||
| 590 mAh | |||
| Wireless charging | ||||
| Altimeter | ||||
| Gesture recognition | ||||
| Heart rate monitor | ||||
| Ambient light sensor | ||||
| Barometer | ||||
| Gyroscope | ||||
| Oxygen saturation (SpO2) | ||||
| Thermometer | ||||
| Wear OS | 3.5 | |||
| One UI Watch | 4.5 | |||
| Integrated antenna | ||||
| Processor | Samsung Exynos W920, Dual Core | |||
| 1.18 GHz | |||
| 4G (LTE) | ||||
| Instant messaging | ||||
| MMS | ||||
| SMS | ||||
| A-GPS | ||||
| Beidou | ||||
| Galileo | ||||
| GLONASS | ||||
| GPS receiver | ||||
| Digital Compass | ||||
| Internal memory | ||||
| 1.5 GB | |||
| 16 GB | 4 GB | ||
| With Android | Vanaf 8.0 | Vanaf 10.0 | ||
| With iOS | Vanaf 14.0 | |||
| Microphone | ||||
