Polar M400 vs. Garmin Vivosmart HR vs. Misfit Ray vs. Samsung Gear 2 vs. Mobvoi TicWatch S2

 
M400
Vivosmart HR
Ray
Gear 2
TicWatch S2
 PolarM400Remove Buy NowGarminVivosmart HRRemove Buy NowMisfitRayRemove Buy NowSamsungGear 2Remove Buy NowMobvoiTicWatch S2Remove Buy Now

Basic Info

Suggested Price$200$170$100$300$180
Release20142015201620142019

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days6 months2-3 days2 DAYS
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a160 x 68n/a320 x 320400 x 400
Sizen/a1.08 inchesn/a1.63 inches1.39 inches
Touchn/a
Typen/an/aLEDSuper AMOLEDOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aTizen OSWear OS
Apps
Music

All Wearables