Polar M400 vs. Samsung Gear S vs. Garmin Forerunner 235 vs. LG G Watch vs. Fitbit Flex

 
M400
Gear S
Forerunner 235
G Watch
Flex
 PolarM400Remove Buy NowSamsungGear SRemove Buy NowGarminForerunner 235Remove Buy NowLGG WatchRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$200$250$299.99$230$100
Release20142013201720142013

Activity & Fitness

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

Battery

Duration8 hours to 30 daysn/a9 days1.5 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a480 x 360215 x 180280 x 280NA
Sizen/a2 inches1.23 inches1.65 inchesNA
TouchNA
Typen/aSuper AMOLEDMIPIPS LCDLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP675 ATMIP671 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenAndroid WearNA
Apps
Music

All Wearables