ASUS ZenWatch 2 vs. Fitbit Alta vs. Fitbit Charge vs. Xiaomi Mi Band 3 vs. Amazfit T-Rex

 
ZenWatch 2
Alta
Charge
Mi Band 3
T-Rex
 ASUSZenWatch 2Remove Buy NowFitbitAltaRemove Buy NowFitbitChargeRemove Buy NowXiaomiMi Band 3Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$130$130$44.95$140
Release20162016201420182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days7-10 days20 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/aNA128 x 80360 x 360
Size1.63 inches or 1.45 inchn/aNA0.78 inches1.3 inches
Touchn/aNA
TypeAMOLEDOLEDOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67n/a1 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/an/a
Textsn/a

Software

Operating SystemAndroid Wearn/aNABuild-in
Apps
Music

All Wearables