Microsoft Band 2 vs. Polar Loop 2 vs. Asus ZenWatch vs. Fitbit Alta HR vs. Garmin Vivosmart 4

 
Band 2
Loop 2
ZenWatch
Alta HR
Vivosmart 4
 MicrosoftBand 2Remove Buy NowPolarLoop 2Remove Buy NowAsusZenWatchRemove Buy NowFitbitAlta HRRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$250$120$150$150$130
Release20152015201420172018

Activity & Fitness

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

Battery

Duration48 hours (without GPS)8 days (without notifications)NA7 days7 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 128n/a320 x 320128 x 3648 x 128
Size1.36 inchesn/a1.63 inches1.4 inches0.74 inches
Touch
TypeCapacitative TFTLEDAMOLEDOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX72 ATMIP555 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/an/aAndroid Wear
Apps
Music

All Wearables