Garmin Forerunner 935 vs. Casio WSD-F20A vs. Garmin Forerunner 45 vs. Xiaomi Mi Band 4

 
Forerunner 935
WSD-F20A
Forerunner 45
Mi Band 4
 GarminForerunner 935Remove Buy NowCasioWSD-F20ARemove Buy NowGarminForerunner 45Remove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$500$399$199$25
Release2017201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

DurationUp to 2 weeks1 day7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240320 x 320208 x 208120x240
Size1.2 inches1.32 inches1.04 inches0.95 inches
Touch
TypeLCDLCDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSBuilt-inAMAZFIT OS
Apps
Music

All Wearables