Polar M400 vs. Fitbit Alta vs. Fitbit Charge 2 vs. Microsoft Band 2 vs. Garmin Chronos

 
M400
Alta
Charge 2
Band 2
Chronos
 PolarM400Remove Buy NowFitbitAltaRemove Buy NowFitbitCharge 2Remove Buy NowMicrosoftBand 2Remove Buy NowGarminChronosRemove Buy Now

Basic Info

Suggested Price$200$130$150$250$1500
Release20142016201620152018

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days5 days48 hours (without GPS)8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/an/a320 x 128218 x 218
Sizen/an/an/a1.36 inches1.2 inches
Touchn/an/a
Typen/aOLEDOLEDCapacitative TFTMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMn/an/aIPX710 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/an/an/aWear OS
Apps
Music

All Wearables