Casio WSD-F20A vs. Polar Loop vs. Garmin Forerunner 45 vs. Xiaomi Mi Band 4 vs. Skagen Falster 3

 
WSD-F20A
Loop
Forerunner 45
Mi Band 4
Falster 3
 CasioWSD-F20ARemove Buy NowPolarLoopRemove Buy NowGarminForerunner 45Remove Buy NowXiaomiMi Band 4Remove Buy NowSkagenFalster 3Remove Buy Now

Basic Info

Suggested Price$399$100$199$25$295
Release20182013201920192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day5 days7 days20 days1 day
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320NA208 x 208120x240416 x 416
Size1.32 inchesNA1.04 inches0.95 inches1.28 inches
Touch
TypeLCDLEDLCDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM5 ATM5 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSNABuilt-inAMAZFIT OSWear OS
Apps
Music

All Wearables