Garmin Forerunner 935 vs. Casio WSD-F20A vs. Garmin 645 Music vs. Michael Kors Access Sofie vs. Fitbit Flex

 
Forerunner 935
WSD-F20A
645 Music
Access Sofie
Flex
 GarminForerunner 935Remove Buy NowCasioWSD-F20ARemove Buy NowGarmin645 MusicRemove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$500$399$450$395$100
Release20172018201820172013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

DurationUp to 2 weeks1 day7 days1 day5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240320 x 320240 x 240390 x 390 1.19 inchesNA
Size1.2 inches1.32 inches1.2 inchesNA
TouchAMOLDEDNA
TypeLCDLCDMIPLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSAndroid Wear 2.0NA
Apps
Music

All Wearables