Polar M400 vs. Garmin Vivosmart vs. Microsoft Band 2 vs. Polar Loop 2 vs. Asus ZenWatch

 
M400
Vivosmart
Band 2
Loop 2
ZenWatch
 PolarM400Remove Buy NowGarminVivosmartRemove Buy NowMicrosoftBand 2Remove Buy NowPolarLoop 2Remove Buy NowAsusZenWatchRemove Buy Now

Basic Info

Suggested Price$200$170$250$120$150
Release20142014201520152014

Activity & Fitness

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

Battery

Duration8 hours to 30 days7 days48 hours (without GPS)8 days (without notifications)NA
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 16320 x 128n/a320 x 320
Sizen/a1.41 inches1.36 inchesn/a1.63 inches
Touch
Typen/aOLEDCapacitative TFTLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIPX72 ATMIP55

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/an/an/an/aAndroid Wear
Apps
Music

All Wearables