Garmin Vivosmart vs. Garmin 645 Music vs. Michael Kors Grayson vs. Pebble Time 2 vs. Michael Kors Grayson vs. Amazfit T-Rex
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| GarminVivosmartRemove Buy Now | Garmin645 MusicRemove Buy Now | Michael KorsGraysonRemove Buy Now | PebbleTime 2Remove Buy Now | Michael KorsGraysonRemove Buy Now | AmazfitT-RexRemove Buy Now |
Basic Info | ||||||
| Suggested Price | $170 | $450 | $350 | $199 | $350 | $140 |
| Release | 2014 | 2018 | 2018 | 2016 | 2018 | 2019 |
Activity & Fitness | ||||||
| Calories | ||||||
| Cycling (Bicycling) | ||||||
| Distance | ||||||
| Heart | n/a | |||||
| Oxygen | ||||||
| Sleep | ||||||
| Steps | ||||||
| Swim | ||||||
Battery | ||||||
| Duration | 7 days | 7 days | 24 hours | 10 days | 24 hours | 20 days |
| Rechargeable | ||||||
Compatibility | ||||||
| Android | ||||||
| iOS | ||||||
| Windows Phone | n/a | NA | ||||
| Mac | n/a | NA | ||||
| Windows | n/a | NA | ||||
Connectivity | ||||||
| Bluetooth | ||||||
| Cellular | ||||||
| GPS | ||||||
| NFC | ||||||
| Wi-Fi | ||||||
Display | ||||||
| Color | ||||||
| Resolution | 128 x 16 | 240 x 240 | 453 x 454 | NA | 453x454 | 360 x 360 |
| Size | 1.41 inches | 1.2 inches | 1.39 inches | NA | 1.39 inches | 1.3 inches |
| Touch | ||||||
| Type | OLED | MIP | AMOLED | e-paper | AMOLED | AMOLED |
Functions | ||||||
| Audio Speaker | ||||||
| Clock | ||||||
| Phone | ||||||
| Vibration | ||||||
| Voice | ||||||
Hardware | ||||||
| Accelerometer | ||||||
| Barometer or Altimeter | ||||||
| Ultraviolet Sensor | ||||||
| Water Resistance | 5 ATM | 5 ATM | 1 ATM | 3 ATM | 1 ATM | 5 ATM |
Notifications | ||||||
| Phone | ||||||
| Emails | ||||||
| Texts | ||||||
Software | ||||||
| Operating System | n/a | Android Wear | Pebble OS | Android Wear | Build-in | |
| Apps | ||||||
| Music | ||||||