Polar M400 vs. Polar V800 vs. Casio G-Shock GBA800 vs. Garmin Forerunner 235 vs. Fitbit Alta HR

 
M400
V800
G-Shock GBA800
Forerunner 235
Alta HR
 PolarM400Remove Buy NowPolarV800Remove Buy NowCasioG-Shock GBA800Remove Buy NowGarminForerunner 235Remove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$200$470$120$299.99$150
Release20142014201820172017

Activity & Fitness

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

Battery

Duration8 hours to 30 days13 hours to 30 days2 years9 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a215 x 180128 x 36
Sizen/an/a1.23 inches1.4 inches
Touch
Typen/an/aMIPOLED

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/a
Apps
Music

All Wearables