Polar M400 vs. Microsoft Band 2 vs. Fitbit Ionic vs. Casio G-Shock GBA800 vs. Garmin Chronos

 
M400
Band 2
Ionic
G-Shock GBA800
Chronos
 PolarM400Remove Buy NowMicrosoftBand 2Remove Buy NowFitbitIonicRemove Buy NowCasioG-Shock GBA800Remove Buy NowGarminChronosRemove Buy Now

Basic Info

Suggested Price$200$250$299$120$1500
Release20142015201720182018

Activity & Fitness

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

Battery

Duration8 hours to 30 days48 hours (without GPS)4+ days2 years8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 128348x250218 x 218
Sizen/a1.36 inches1.421.2 inches
Touch
Typen/aCapacitative TFTOLEDMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX750m20 ATM10 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aFitbit OSWear OS
Apps
Music

All Wearables