Fitbit Charge 2 vs. Casio G-Shock GBA800 vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Amazfit T-Rex vs. HTC re Grip

 
Charge 2
G-Shock GBA800
Grayson
Grayson
T-Rex
re Grip
 FitbitCharge 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$150$120$350$350$140$199
Release201620182018201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days2 years24 hours24 hours20 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a453 x 454453x454360 x 360160 x 32
Sizen/a1.39 inches1.39 inches1.3 inches1.8 inches
Touchn/a
TypeOLEDAMOLEDAMOLEDAMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a20 ATM1 ATM1 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearAndroid WearBuild-inNA
Apps
Music

All Wearables