Polar M400 vs. Amazfit Cor vs. Garmin Forerunner 235 vs. Fitbit Flex vs. LG G Watch R

 
M400
Cor
Forerunner 235
Flex
G Watch R
 PolarM400Remove Buy NowAmazfitCorRemove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy NowLGG Watch RRemove Buy Now

Basic Info

Suggested Price$200$79.99$299.99$100$300
Release20142018201720132014

Activity & Fitness

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

Battery

Duration8 hours to 30 days12 days9 days5 days2 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNAn/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a80 x 160215 x 180NA320 x 320
Sizen/a1.23 inches1.23 inchesNA1.3 inches
TouchNA
Typen/aIPS LCDMIPLEDP-OLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATM1 ATMIP67

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAAndroid Wear
Apps
Music

All Wearables