Polar M400 vs. Samsung Gear S2 vs. Fitbit Flex 2 vs. Garmin Fenix 5 vs. Samsung Galaxy Watch

 
M400
Gear S2
Flex 2
Fenix 5
Galaxy Watch
 PolarM400Remove Buy NowSamsungGear S2Remove Buy NowFitbitFlex 2Remove Buy NowGarminFenix 5Remove Buy NowSamsungGalaxy WatchRemove Buy Now

Basic Info

Suggested Price$200$300$100$599.99$330
Release20142015201620172018

Activity & Fitness

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

Battery

Duration8 hours to 30 days2-3 days5 days2 Weeks7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/aNA
GPSn/a
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a360 x 360n/a240 x 240360 x 360
Sizen/a1.2 inchesn/a1.2 inches1.2 inches or 1.3 inches
Touchn/a
Typen/aSuper AMOLEDLEDnaAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP685 ATM10 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenn/aTizen OS
Apps
MusicSpotify

All Wearables