Pebble Time Round vs. Casio WSD-F20A vs. Garmin Forerunner 235 vs. Fitbit Flex vs. Garmin Forerunner 45

 
Time Round
WSD-F20A
Forerunner 235
Flex
Forerunner 45
 PebbleTime RoundRemove Buy NowCasioWSD-F20ARemove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$200$399$299.99$100$199
Release20152018201720132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days1 day9 days5 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320215 x 180NA208 x 208
Sizeround1.32 inches1.23 inchesNA1.04 inches
TouchNA
Typee-paperLCDMIPLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX75 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSWear OSNABuilt-in
Apps
Music

All Wearables