Polar Loop 2 vs. Casio WSD-F20A vs. Polar Loop vs. Apple Watch Series 4 vs. Apple SE (2022)

 
Loop 2
WSD-F20A
Loop
Watch Series 4
SE (2022)
 PolarLoop 2Remove Buy NowCasioWSD-F20ARemove Buy NowPolarLoopRemove Buy NowAppleWatch Series 4Remove Buy NowAppleSE (2022)Remove Buy Now

Basic Info

Suggested Price$120$399$100$329$249
Release20152018201320182022

Activity & Fitness

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

Battery

Duration8 days (without notifications)1 day5 daysNot YetNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color368 x 448 pixels
Resolutionn/a320 x 320NA384 x 48040mm
Sizen/a1.32 inchesNA1.78 inches
TouchLTPO OLED Retina
TypeLEDLCDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter5 ATM
Ultraviolet Sensor
Water Resistance2 ATM5 ATM2 ATMNot Yet

Notifications

Phone
EmailsWatchOS 8.1
Texts

Software

Operating Systemn/aWear OSNAWatch OS 5
Apps
Music

All Wearables