Pebble Time Round vs. Casio WSD-F20A vs. Garmin Forerunner 235 vs. Garmin Vivofit 4

 
Time Round
WSD-F20A
Forerunner 235
Vivofit 4
 PebbleTime RoundRemove Buy NowCasioWSD-F20ARemove Buy NowGarminForerunner 235Remove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$200$399$299.99$79.95
Release2015201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days1 day9 days1 year
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320215 x 18088 x 88
Sizeround1.32 inches1.23 inchesNA
Touch
Typee-paperLCDMIPNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX75 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSWear OS
Apps
Music

All Wearables