Garmin Forerunner 935 vs. Amazfit Arc vs. Casio WSD-F20A vs. Garmin 645 Music vs. Fitbit Charge

 
Forerunner 935
Arc
WSD-F20A
645 Music
Charge
 GarminForerunner 935Remove Buy NowAmazfitArcRemove Buy NowCasioWSD-F20ARemove Buy NowGarmin645 MusicRemove Buy NowFitbitChargeRemove Buy Now

Basic Info

Suggested Price$500$69.99$399$450$130
Release20172016201820182014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

DurationUp to 2 weeks20 days1 day7 days7-10 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 24072 x40320 x 320240 x 240NA
Size1.2 inches0.42 inches1.32 inches1.2 inchesNA
TouchNA
TypeLCDOLEDLCDMIPOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP675 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSNA
Apps
Music

All Wearables