Polar M400 vs. Misfit Speedo Shine 2 vs. ASUS ZenWatch 3 vs. Casio G-Shock GBA800 vs. Apple Watch 7

 
M400
Speedo Shine 2
ZenWatch 3
G-Shock GBA800
Watch 7
 PolarM400Remove Buy NowMisfitSpeedo Shine 2Remove Buy NowASUSZenWatch 3Remove Buy NowCasioG-Shock GBA800Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$200$80$229$120$429
Release20142016201720182021

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 months48 hours2 years18 Hours
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a400 x 400396 x 484
Sizen/an/a1.39 inches1.9 inches
Touchn/a
Typen/an/aAMOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2WatchOS 8
Apps
Music

All Wearables