ASUS ZenWatch 2 vs. Fitbit Charge 2 vs. Garmin Vivosmart HR vs. Apple Watch vs. Amazfit T-Rex

 
ZenWatch 2
Charge 2
Vivosmart HR
Watch
T-Rex
 ASUSZenWatch 2Remove Buy NowFitbitCharge 2Remove Buy NowGarminVivosmart HRRemove Buy NowAppleWatchRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$150$170$349$140
Release20162016201520152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days5 days18 hours20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/a160 x 68340 x 272 or 390 x 312360 x 360
Size1.63 inches or 1.45 inchn/a1.08 inches1.5 inches or 1.65 inches1.3 inches
Touchn/a
TypeAMOLEDOLEDn/aAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67n/a5 ATMIPX75 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/an/aWatch OSBuild-in
Apps
Music

All Wearables