Polar Loop 2 vs. Polar M430 vs. Casio G-Shock GBA800 vs. Apple Watch Series 4 vs. Apple Watch 7

 
Loop 2
M430
G-Shock GBA800
Watch Series 4
Watch 7
 PolarLoop 2Remove Buy NowPolarM430Remove Buy NowCasioG-Shock GBA800Remove Buy NowAppleWatch Series 4Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$120$255$120$329$429
Release20152017201820182021

Activity & Fitness

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

Battery

Duration8 days (without notifications)30 hours2 yearsNot Yet18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128x128384 x 480396 x 484
Sizen/a1.4 inch1.78 inches1.9 inches
Touch
TypeLEDLCDMicroLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMWR3020 ATMNot Yetwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OS 5WatchOS 8
Apps
Music

All Wearables