Polar M400 vs. Amazfit Cor vs. Fitbit Alta HR vs. Polar A370 vs. LG G Watch R

 
M400
Cor
Alta HR
A370
G Watch R
 PolarM400Remove Buy NowAmazfitCorRemove Buy NowFitbitAlta HRRemove Buy NowPolarA370Remove Buy NowLGG Watch RRemove Buy Now

Basic Info

Suggested Price$200$79.99$150$179.95$300
Release20142018201720172014

Activity & Fitness

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

Battery

Duration8 hours to 30 days12 days7 daysUp to 3 days2 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a80 x 160128 x 36160 x 80320 x 320
Sizen/a1.23 inches1.4 inches1.18 inches1.3 inches
Touch
Typen/aIPS LCDOLEDTFT LCDP-OLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMWR30IP67

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear
Apps
Music

All Wearables