Fitbit Flex 2 vs. Amazfit Cor vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Garmin Vivosmart 4 vs. Amazfit GTR
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| FitbitFlex 2Remove Buy Now | AmazfitCorRemove Buy Now | Michael KorsGraysonRemove Buy Now | Michael KorsGraysonRemove Buy Now | GarminVivosmart 4Remove Buy Now | AmazfitGTRRemove Buy Now |
Basic Info | ||||||
| Suggested Price | $100 | $79.99 | $350 | $350 | $130 | $199 |
| Release | 2016 | 2018 | 2018 | 2018 | 2018 | 2019 |
Activity & Fitness | ||||||
| Calories | ||||||
| Cycling (Bicycling) | ||||||
| Distance | ||||||
| Heart | ||||||
| Oxygen | ||||||
| Sleep | ||||||
| Steps | ||||||
| Swim | ||||||
Battery | ||||||
| Duration | 5 days | 12 days | 24 hours | 24 hours | 7 days | 24 days |
| Rechargeable | ||||||
Compatibility | ||||||
| Android | ||||||
| iOS | ||||||
| Windows Phone | n/a | |||||
| Mac | ||||||
| Windows | ||||||
Connectivity | ||||||
| Bluetooth | ||||||
| Cellular | ||||||
| GPS | ||||||
| NFC | ||||||
| Wi-Fi | ||||||
Display | ||||||
| Color | n/a | |||||
| Resolution | n/a | 80 x 160 | 453 x 454 | 453x454 | 48 x 128 | 454 x 454 |
| Size | n/a | 1.23 inches | 1.39 inches | 1.39 inches | 0.74 inches | 1.39 inches |
| Touch | n/a | |||||
| Type | LED | IPS LCD | AMOLED | AMOLED | OLED | AMOLED |
Functions | ||||||
| Audio Speaker | ||||||
| Clock | ||||||
| Phone | ||||||
| Vibration | ||||||
| Voice | ||||||
Hardware | ||||||
| Accelerometer | ||||||
| Barometer or Altimeter | ||||||
| Ultraviolet Sensor | ||||||
| Water Resistance | 5 ATM | 5 ATM | 1 ATM | 1 ATM | 5 ATM | 5 ATM |
Notifications | ||||||
| Phone | ||||||
| Emails | ||||||
| Texts | ||||||
Software | ||||||
| Operating System | n/a | Android Wear | Android Wear | Build-in | ||
| Apps | ||||||
| Music | ||||||