ASUS ZenWatch 2 vs. Polar M400 vs. Garmin Vivosmart vs. Huawei Talkband B2 vs. Amazfit T-Rex

 
ZenWatch 2
M400
Vivosmart
Talkband B2
T-Rex
 ASUSZenWatch 2Remove Buy NowPolarM400Remove Buy NowGarminVivosmartRemove Buy NowHuaweiTalkband B2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$200$170$180$140
Release20162014201420152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/an/a
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a8 hours to 30 days7 days3 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/a128 x 16128 x 88360 x 360
Size1.63 inches or 1.45 inchn/a1.41 inches0.73 inches1.3 inches
Touch
TypeAMOLEDn/aOLEDPMOLEDAMOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATM5 ATMIP575 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/an/an/aBuild-in
Apps
Music

All Wearables