Polar M400 vs. Microsoft Band 2 vs. ASUS ZenWatch 3 vs. Fitbit Ionic vs. Casio G-Shock GBA800

 
M400
Band 2
ZenWatch 3
Ionic
G-Shock GBA800
 PolarM400Remove Buy NowMicrosoftBand 2Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowCasioG-Shock GBA800Remove Buy Now

Basic Info

Suggested Price$200$250$229$299$120
Release20142015201720172018

Activity & Fitness

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

Battery

Duration8 hours to 30 days48 hours (without GPS)48 hours4+ days2 years
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 128400 x 400348x250
Sizen/a1.36 inches1.39 inches1.42
Touch
Typen/aCapacitative TFTAMOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX750m20 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2Fitbit OS
Apps
Music

All Wearables