Garmin Forerunner 735XT vs. Fitbit Alta vs. Garmin Forerunner 935 vs. Casio WSD-F20A vs. Apple Series 6

 
Forerunner 735XT
Alta
Forerunner 935
WSD-F20A
Series 6
 GarminForerunner 735XTRemove Buy NowFitbitAltaRemove Buy NowGarminForerunner 935Remove Buy NowCasioWSD-F20ARemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$450$130$500$399$399
Release20162016201720182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days5 daysUp to 2 weeks1 dayNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution215 x 180n/a240 x 240320 x 320384 x 480
Size1.23 inchesn/a1.2 inches1.32 inches40mm
Touchn/an/a
Typen/aOLEDLCDLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATMn/a5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aWear OSWatchOS 5
Apps
Music

All Wearables