ASUS ZenWatch 2 vs. Fitbit Alta vs. Fitbit Charge HR vs. Jawbone UP2 vs. Amazfit T-Rex

 
ZenWatch 2
Alta
Charge HR
UP2
T-Rex
 ASUSZenWatch 2Remove Buy NowFitbitAltaRemove Buy NowFitbitCharge HRRemove Buy NowJawboneUP2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$130$150$100$140
Release20162016201520152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days5 days7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/aNANA360 x 360
Size1.63 inches or 1.45 inchn/aNANA1.3 inches
Touchn/aNANA
TypeAMOLEDOLEDOLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67n/a1 ATMSplash resistant5 ATM

Notifications

Phone
Emailsn/an/a
Textsn/a

Software

Operating SystemAndroid Wearn/aNANABuild-in
Apps
Music

All Wearables