Polar M400 vs. Fitbit Flex 2 vs. Fossil Q Dreamer vs. Garmin Fenix 5x Plus vs. Garmin Vivofit 4

 
M400
Flex 2
Q Dreamer
Fenix 5x Plus
Vivofit 4
 PolarM400Remove Buy NowFitbitFlex 2Remove Buy NowFossilQ DreamerRemove Buy NowGarminFenix 5x PlusRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$200$100$125$850$79.95
Release20142016201520182018

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days7 days20 days1 year
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/an/a240 x 24088 x 88
Sizen/an/an/a1.2 inchesNA
Touchn/an/a
Typen/aLEDn/aMIPNA

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIP6710 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aWear OS
Apps
Music

All Wearables