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

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

Basic Info

Suggested Price$200$250$299$160$120
Release20142013201720182018

Activity & Fitness

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

Battery

Duration8 hours to 30 daysn/a4+ days24 hours to 10 days2 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 360348x250128 x 128
Sizen/a2 inches1.42NA
Touch
Typen/aSuper AMOLEDOLEDNA

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance3 ATMIP6750mIP6720 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenFitbit OSKoodOS
Apps
Music

All Wearables