Polar M400 vs. Diesel On Full Guard vs. Garmin Forerunner 235 vs. Samsung Live vs. Fitbit Flex

 
M400
On Full Guard
Forerunner 235
Live
Flex
 PolarM400Remove Buy NowDieselOn Full GuardRemove Buy NowGarminForerunner 235Remove Buy NowSamsungLiveRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$200$325$299.99$200$100
Release20142017201720142013

Activity & Fitness

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

Battery

Duration8 hours to 30 days1 day9 days1 Day5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a454 x 454215 x 180320 x 320NA
Sizen/a1.4 inches1.23 inches1.63 inchesNA
TouchNA
Typen/aOMOLEDMIPSuper AMOLEDLED

Functions

Audio SpeakerAlerts only
Clock
Phone
VibrationNA
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP675 ATMIP671 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0Android WearNA
Apps
Music

All Wearables