Polar M400 vs. Polar V800 vs. Samsung Gear S3 vs. Fitbit Flex 2 vs. Garmin Forerunner 45

 
M400
V800
Gear S3
Flex 2
Forerunner 45
 PolarM400Remove Buy NowPolarV800Remove Buy NowSamsungGear S3Remove Buy NowFitbitFlex 2Remove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$200$470$350$100$199
Release20142014201620162019

Activity & Fitness

Calories
Cycling (Bicycling)n/a
Distance
Heartn/an/a
Oxygen
Sleepn/a
Steps
Swim

Battery

Duration8 hours to 30 days13 hours to 30 days4 days5 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPS
NFCn/a
Wi-Fi

Display

Colorn/a
Resolutionn/an/a360 x 360n/a208 x 208
Sizen/an/a1.3 inchesn/a1.04 inches
Touchn/a
Typen/an/aFullcolor AODLEDLCD

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM3 ATMIP685 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aTizenn/aBuilt-in
Apps
Music

All Wearables