Garmin Vivoactive HR vs. Polar M400 vs. Fitbit Flex 2 vs. Garmin Vivosmart HR Plus vs. Amazfit GTS

 
Vivoactive HR
M400
Flex 2
Vivosmart HR Plus
GTS
 GarminVivoactive HRRemove Buy NowPolarM400Remove Buy NowFitbitFlex 2Remove Buy NowGarminVivosmart HR PlusRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$250$200$100$179$150
Release20162014201620172019

Activity & Fitness

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

Battery

Duration13 hours to 8 days8 hours to 30 days5 days5 days14 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution148 x 205n/an/a160 x 68348 x 442
Size1.38 inchesn/an/a0.5 inches x 0.8 inches1.65 inches
Touchn/a
Typen/an/aLEDLCDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aNAWear OS
Apps
Music

All Wearables