Fitbit One vs. Garmin Forerunner 935 vs. Casio WSD-F20A vs. Garmin Chronos vs. Apple Series 6

 
One
Forerunner 935
WSD-F20A
Chronos
Series 6
 FitbitOneRemove Buy NowGarminForerunner 935Remove Buy NowCasioWSD-F20ARemove Buy NowGarminChronosRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$100$500$399$1500$399
Release20122017201820182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 daysUp to 2 weeks1 day8 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240320 x 320218 x 218384 x 480
Sizen/a1.2 inches1.32 inches1.2 inches40mm
Touch
TypeOLEDLCDLCDMIPMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water ResistanceSplast Resistant5 ATM5 ATM10 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSWear OSWatchOS 5
Apps
Music

All Wearables