Polar M400 vs. Samsung Gear S vs. Asus ZenWatch

 
M400
Gear S
ZenWatch
 PolarM400Remove Buy NowSamsungGear SRemove Buy NowAsusZenWatchRemove Buy Now

Basic Info

Suggested Price$200$250$150
Release201420132014

Activity & Fitness

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

Battery

Duration8 hours to 30 daysn/aNA
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a480 x 360320 x 320
Sizen/a2 inches1.63 inches
Touch
Typen/aSuper AMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP67IP55

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aTizenAndroid Wear
Apps
Music

All Wearables