Polar M400 vs. Casio G-Shock GBA800 vs. LG G Watch vs. Fitbit Charge vs. Garmin Forerunner 45

 
M400
G-Shock GBA800
G Watch
Charge
Forerunner 45
 PolarM400Remove Buy NowCasioG-Shock GBA800Remove Buy NowLGG WatchRemove Buy NowFitbitChargeRemove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$200$120$230$130$199
Release20142018201420142019

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 years1.5 days7-10 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a280 x 280NA208 x 208
Sizen/a1.65 inchesNA1.04 inches
TouchNA
Typen/aIPS LCDOLEDLCD

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM20 ATMIP671 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNABuilt-in
Apps
Music

All Wearables