ASUS ZenWatch 2 vs. Withings Activite Sapphire vs. Xiaomi Mi Band 2 vs. Garmin 645 Music vs. Amazfit T-Rex

 
ZenWatch 2
Activite Sapphire
Mi Band 2
645 Music
T-Rex
 ASUSZenWatch 2Remove Buy NowWithingsActivite SapphireRemove Buy NowXiaomiMi Band 2Remove Buy NowGarmin645 MusicRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$450$23$450$140
Release20162014201620182019

Activity & Fitness

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

Battery

Durationn/a8 months20 hours7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/an/a240 x 240360 x 360
Size1.63 inches or 1.45 inch1.3 inches0.42 inches1.2 inches1.3 inches
Touch
TypeAMOLEDAnalogOLEDMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATMIP675 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/an/aBuild-in
Apps
Music

All Wearables