Polar M400 vs. Casio G-Shock GBA800 vs. Garmin Forerunner 235 vs. Fitbit Flex vs. Michael Kors Access Runway

 
M400
G-Shock GBA800
Forerunner 235
Flex
Access Runway
 PolarM400Remove Buy NowCasioG-Shock GBA800Remove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy NowMichael KorsAccess RunwayRemove Buy Now

Basic Info

Suggested Price$200$120$299.99$100$350
Release20142018201720132018

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 years9 days5 days1 day
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a215 x 180NA390 x 390
Sizen/a1.23 inchesNA1.19 inches
TouchNA
Typen/aMIPLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM20 ATM5 ATM1 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAWear OS
Apps
Music

All Wearables