ASUS ZenWatch 2 vs. Polar M400 vs. Xiaomi Mi Band 3 vs. Garmin Forerunner 45

 
ZenWatch 2
M400
Mi Band 3
Forerunner 45
 ASUSZenWatch 2Remove Buy NowPolarM400Remove Buy NowXiaomiMi Band 3Remove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$150$200$44.95$199
Release2016201420182019

Activity & Fitness

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

Battery

Durationn/a8 hours to 30 days20 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/a128 x 80208 x 208
Size1.63 inches or 1.45 inchn/a0.78 inches1.04 inches
Touch
TypeAMOLEDn/aOLEDLCD

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aBuilt-in
Apps
Music

All Wearables