Polar M400 vs. Samsung Gear S vs. Samsung Gear S3 vs. Fitbit Ionic vs. Casio G-Shock GBA800

 
M400
Gear S
Gear S3
Ionic
G-Shock GBA800
 PolarM400Remove Buy NowSamsungGear SRemove Buy NowSamsungGear S3Remove Buy NowFitbitIonicRemove Buy NowCasioG-Shock GBA800Remove Buy Now

Basic Info

Suggested Price$200$250$350$299$120
Release20142013201620172018

Activity & Fitness

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

Battery

Duration8 hours to 30 daysn/a4 days4+ days2 years
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPS
NFCn/a
Wi-Fi

Display

Color
Resolutionn/a480 x 360360 x 360348x250
Sizen/a2 inches1.3 inches1.42
Touch
Typen/aSuper AMOLEDFullcolor AODOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP67IP6850m20 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenTizenFitbit OS
Apps
Music

All Wearables