Polar M400 vs. Samsung Gear S3 vs. Samsung Gear Fit2 vs. Fitbit Flex vs. Garmin Forerunner 45

 
M400
Gear S3
Gear Fit2
Flex
Forerunner 45
 PolarM400Remove Buy NowSamsungGear S3Remove Buy NowSamsungGear Fit2Remove Buy NowFitbitFlexRemove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$200$350$180$100$199
Release20142016201620132019

Activity & Fitness

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

Battery

Duration8 hours to 30 days4 days3-4 days5 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPS
NFCn/a
Wi-Fi

Display

Color
Resolutionn/a360 x 360432 x 216NA208 x 208
Sizen/a1.3 inches1.5 inchesNA1.04 inches
TouchNA
Typen/aFullcolor AODSuper AMOLEDLEDLCD

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP68IP681 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenTizenNABuilt-in
Apps
Music

All Wearables