Polar M400 vs. Misfit Ray vs. Samsung Gear 2 vs. Fitbit Charge HR vs. Garmin Vivosport

 
M400
Ray
Gear 2
Charge HR
Vivosport
 PolarM400Remove Buy NowMisfitRayRemove Buy NowSamsungGear 2Remove Buy NowFitbitCharge HRRemove Buy NowGarminVivosportRemove Buy Now

Basic Info

Suggested Price$200$100$300$150$199
Release20142016201420152017

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 months2-3 days5 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNANA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a320 x 320NA72 x 144
Sizen/an/a1.63 inchesNANA
Touchn/aNA
Typen/aLEDSuper AMOLEDOLEDMIP

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIP671 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aTizen OSNA
Apps
Music

All Wearables