Polar M400 vs. Asus VivoWatch vs. Michael Kors Grayson vs. LG G Watch R vs. Michael Kors Grayson vs. Apple Watch 7

 
M400
VivoWatch
Grayson
G Watch R
Grayson
Watch 7
 PolarM400Remove Buy NowAsusVivoWatchRemove Buy NowMichael KorsGraysonRemove Buy NowLGG Watch RRemove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$200$160$350$300$350$429
Release201420182018201420182021

Activity & Fitness

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

Battery

Duration8 hours to 30 days24 hours to 10 days24 hours2 days24 hours18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNAn/a
MacNAn/a
WindowsNAn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 128453 x 454320 x 320453x454396 x 484
Sizen/aNA1.39 inches1.3 inches1.39 inches1.9 inches
Touch
Typen/aNAAMOLEDP-OLEDAMOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance3 ATMIP671 ATMIP671 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aKoodOSAndroid WearAndroid WearAndroid WearWatchOS 8
Apps
Music

All Wearables