Fitbit Charge 2 vs. Fitbit Zip vs. Asus ZenWatch vs. Casio G-Shock GBA800 vs. Amazfit T-Rex

 
Charge 2
Zip
ZenWatch
G-Shock GBA800
T-Rex
 FitbitCharge 2Remove Buy NowFitbitZipRemove Buy NowAsusZenWatchRemove Buy NowCasioG-Shock GBA800Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$60$150$120$140
Release20162012201420182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 monthsNA2 years20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a320 x 320360 x 360
Sizen/an/a1.63 inches1.3 inches
Touchn/a
TypeOLEDn/aAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aSplash ResistantIP5520 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/an/aAndroid WearBuild-in
Apps
Music

All Wearables