Garmin Vivofit 3 vs. Garmin 645 Music vs. Samsung Gear 2 vs. Fitbit Charge vs. Fitbit Flex
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| GarminVivofit 3Remove Buy Now | Garmin645 MusicRemove Buy Now | SamsungGear 2Remove Buy Now | FitbitChargeRemove Buy Now | FitbitFlexRemove Buy Now |
Basic Info | |||||
| Suggested Price | $100 | $450 | $300 | $130 | $100 |
| Release | 2016 | 2018 | 2014 | 2014 | 2013 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | |||||
| Sleep | |||||
| Steps | NA | ||||
| Swim | |||||
Battery | |||||
| Duration | 1 year | 7 days | 2-3 days | 7-10 days | 5 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | NA | NA | NA | ||
| Mac | n/a | NA | |||
| Windows | n/a | NA | |||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | 64 x 64 | 240 x 240 | 320 x 320 | NA | NA |
| Size | 0.55 inches | 1.2 inches | 1.63 inches | NA | NA |
| Touch | NA | NA | |||
| Type | n/a | MIP | Super AMOLED | OLED | LED |
Functions | |||||
| Audio Speaker | Bluetooth | ||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 5 ATM | 5 ATM | IP67 | 1 ATM | 1 ATM |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | n/a | Tizen OS | NA | NA | |
| Apps | |||||
| Music | |||||