Garmin Vivoactive HR vs. Polar M400 vs. Garmin 645 Music vs. Samsung Gear 2 vs. Garmin Vivosport

 
Vivoactive HR
M400
645 Music
Gear 2
Vivosport
 GarminVivoactive HRRemove Buy NowPolarM400Remove Buy NowGarmin645 MusicRemove Buy NowSamsungGear 2Remove Buy NowGarminVivosportRemove Buy Now

Basic Info

Suggested Price$250$200$450$300$199
Release20162014201820142017

Activity & Fitness

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

Battery

Duration13 hours to 8 days8 hours to 30 days7 days2-3 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution148 x 205n/a240 x 240320 x 32072 x 144
Size1.38 inchesn/a1.2 inches1.63 inchesNA
Touch
Typen/an/aMIPSuper AMOLEDMIP

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM5 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aTizen OS
Apps
Music

All Wearables