Polar Loop 2 vs. Casio G-Shock GBA800 vs. Apple Watch Series 4 vs. Apple Watch 7 vs. Apple Series 6

 
Loop 2
G-Shock GBA800
Watch Series 4
Watch 7
Series 6
 PolarLoop 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowAppleWatch Series 4Remove Buy NowAppleWatch 7Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$120$120$329$429$399
Release20152018201820212020

Activity & Fitness

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

Battery

Duration8 days (without notifications)2 yearsNot Yet18 HoursNot yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a384 x 480396 x 484384 x 480
Sizen/a1.78 inches1.9 inches40mm
Touch
TypeLEDMicroLEDMicroLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance2 ATM20 ATMNot Yetwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OS 5WatchOS 8WatchOS 5
Apps
Music

All Wearables