Polar M400 vs. LG Watch Sport vs. Mobvoi TicWatch 2 vs. Garmin 645 Music vs. Apple Watch 7

 
M400
Watch Sport
TicWatch 2
645 Music
Watch 7
 PolarM400Remove Buy NowLGWatch SportRemove Buy NowMobvoiTicWatch 2Remove Buy NowGarmin645 MusicRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$200$349$199$450$429
Release20142016201720182021

Activity & Fitness

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

Battery

Duration8 hours to 30 days1.45 days1.5-2 Days7 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a480 x 480400 x 400240 x 240396 x 484
Sizen/a1.38 inches1.4 inches1.2 inches1.9 inches
Touch
Typen/aP-OLEDOLEDMIPMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP68IP655 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2Ticwear OSWatchOS 8
Apps
Music

All Wearables