ASUS ZenWatch 2 vs. Microsoft Band 2 vs. Fitbit Ionic vs. Garmin Vivofit 4 vs. Amazfit T-Rex

 
ZenWatch 2
Band 2
Ionic
Vivofit 4
T-Rex
 ASUSZenWatch 2Remove Buy NowMicrosoftBand 2Remove Buy NowFitbitIonicRemove Buy NowGarminVivofit 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$250$299$79.95$140
Release20162015201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a48 hours (without GPS)4+ days1 year20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320320 x 128348x25088 x 88360 x 360
Size1.63 inches or 1.45 inch1.36 inches1.42NA1.3 inches
Touch
TypeAMOLEDCapacitative TFTOLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IPX750m5 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aFitbit OSBuild-in
Apps
Music

All Wearables