Fitbit Alta vs. Michael Kors Grayson vs. Fitbit Charge vs. Fitbit Charge 3 vs. Michael Kors Grayson vs. Amazfit T-Rex
FitbitAltaRemove Buy Now | Michael KorsGraysonRemove Buy Now | FitbitChargeRemove Buy Now | FitbitCharge 3Remove Buy Now | Michael KorsGraysonRemove Buy Now | AmazfitT-RexRemove Buy Now |
Basic Info | ||||||
Suggested Price | $130 | $350 | $130 | $150 | $350 | $140 |
Release | 2016 | 2018 | 2014 | 2018 | 2018 | 2019 |
Activity & Fitness | ||||||
Calories | ||||||
Cycling (Bicycling) | ||||||
Distance | ||||||
Heart | ||||||
Oxygen | ||||||
Sleep | ||||||
Steps | ||||||
Swim | ||||||
Battery | ||||||
Duration | 5 days | 24 hours | 7-10 days | 7 days | 24 hours | 20 days |
Rechargeable | ||||||
Compatibility | ||||||
Android | ||||||
iOS | ||||||
Windows Phone | NA | |||||
Mac | ||||||
Windows | Not yet | |||||
Connectivity | ||||||
Bluetooth | ||||||
Cellular | ||||||
GPS | ||||||
NFC | NA | |||||
Wi-Fi | ||||||
Display | ||||||
Color | ||||||
Resolution | n/a | 453 x 454 | NA | 66 x 18 | 453x454 | 360 x 360 |
Size | n/a | 1.39 inches | NA | .721 inches | 1.39 inches | 1.3 inches |
Touch | n/a | NA | ||||
Type | OLED | AMOLED | OLED | OLED | AMOLED | AMOLED |
Functions | ||||||
Audio Speaker | ||||||
Clock | ||||||
Phone | ||||||
Vibration | ||||||
Voice | ||||||
Hardware | ||||||
Accelerometer | ||||||
Barometer or Altimeter | ||||||
Ultraviolet Sensor | ||||||
Water Resistance | n/a | 1 ATM | 1 ATM | 5 ATM | 1 ATM | 5 ATM |
Notifications | ||||||
Phone | ||||||
Emails | n/a | |||||
Texts | ||||||
Software | ||||||
Operating System | n/a | Android Wear | NA | NA | Android Wear | Build-in |
Apps | ||||||
Music |