Polar Loop 2 vs. Casio WSD-F20A vs. Garmin Vivoactive 3 vs. Garmin Vivofit 4 vs. Apple SE

 
Loop 2
WSD-F20A
Vivoactive 3
Vivofit 4
SE
 PolarLoop 2Remove Buy NowCasioWSD-F20ARemove Buy NowGarminVivoactive 3Remove Buy NowGarminVivofit 4Remove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$120$399$299$79.95$279
Release20152018201720182020

Activity & Fitness

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

Battery

Duration8 days (without notifications)1 day7 days1 year18 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320240 x 24088 x 88384 x 480
Sizen/a1.32 inches1.2 inchesNA40mm
Touch
TypeLEDLCDMIPNAMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance2 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSWatchOS 5
Apps
Music

All Wearables