Polar M400 vs. Polar V800 vs. Samsung Gear 2 vs. Fitbit Charge HR vs. Garmin VivoActive 4

 
M400
V800
Gear 2
Charge HR
VivoActive 4
 PolarM400Remove Buy NowPolarV800Remove Buy NowSamsungGear 2Remove Buy NowFitbitCharge HRRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$200$470$300$150$349
Release20142014201420152019

Activity & Fitness

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

Battery

Duration8 hours to 30 days13 hours to 30 days2-3 days5 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a320 x 320NA260 x 260
Sizen/an/a1.63 inchesNA1.3ionches
TouchNA
Typen/an/aSuper AMOLEDOLEDMIP

Functions

Audio SpeakerAlerts onlyAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM3 ATMIP671 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aTizen OSNAWear OS
Apps
Music

All Wearables