ASUS ZenWatch 2 vs. Xiaomi Mi Band 2 vs. Jawbone UP4 vs. Polar A370 vs. Amazfit T-Rex

 
ZenWatch 2
Mi Band 2
UP4
A370
T-Rex
 ASUSZenWatch 2Remove Buy NowXiaomiMi Band 2Remove Buy NowJawboneUP4Remove Buy NowPolarA370Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$23$200$179.95$140
Release20162016201520172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Stepsn/a
Swim

Battery

Durationn/a20 hoursNAUp to 3 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/aNA160 x 80360 x 360
Size1.63 inches or 1.45 inch0.42 inchesNA1.18 inches1.3 inches
TouchNA
TypeAMOLEDOLEDNATFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP67NAWR305 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aNABuild-in
Apps
MusicNA

All Wearables