Polar M400 vs. Garmin Vivosmart HR vs. Casio G-Shock GBA800 vs. Mobvoi TicWatch E vs. Apple Watch 7

 
M400
Vivosmart HR
G-Shock GBA800
TicWatch E
Watch 7
 PolarM400Remove Buy NowGarminVivosmart HRRemove Buy NowCasioG-Shock GBA800Remove Buy NowMobvoiTicWatch ERemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$200$170$120$159$429
Release20142015201820172021

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days2 years1.5-2 days18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68400 x 400396 x 484
Sizen/a1.08 inches1.4 inches1.9 inches
Touch
Typen/an/aOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM20 ATMIP67water resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2.0WatchOS 8
Apps
Music

All Wearables