Polar M400 vs. Samsung Gear S vs. Fitbit Ionic vs. Asus ZenWatch vs. Casio G-Shock GBA800

 
M400
Gear S
Ionic
ZenWatch
G-Shock GBA800
 PolarM400Remove Buy NowSamsungGear SRemove Buy NowFitbitIonicRemove Buy NowAsusZenWatchRemove Buy NowCasioG-Shock GBA800Remove Buy Now

Basic Info

Suggested Price$200$250$299$150$120
Release20142013201720142018

Activity & Fitness

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

Battery

Duration8 hours to 30 daysn/a4+ daysNA2 years
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a480 x 360348x250320 x 320
Sizen/a2 inches1.421.63 inches
Touch
Typen/aSuper AMOLEDOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP6750mIP5520 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aTizenFitbit OSAndroid Wear
Apps
Music

All Wearables