Polar M400 vs. Samsung Gear S2 vs. Sony SmartBand Talk vs. Garmin Forerunner 235 vs. Fitbit Flex

 
M400
Gear S2
SmartBand Talk
Forerunner 235
Flex
 PolarM400Remove Buy NowSamsungGear S2Remove Buy NowSonySmartBand TalkRemove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$200$300$170$299.99$100
Release20142015201420172013

Activity & Fitness

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

Battery

Duration8 hours to 30 days2-3 days3 days9 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolutionn/a360 x 360296 x 128215 x 180NA
Sizen/a1.2 inches1.4 inches1.23 inchesNA
TouchNA
Typen/aSuper AMOLEDE InkMIPLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP68IP685 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenAndroid WearNA
Apps
Music

All Wearables