Pebble Time Round vs. Polar M400 vs. Amazfit Bip vs. Casio WSD-F20A vs. Garmin Forerunner 235

 
Time Round
M400
Bip
WSD-F20A
Forerunner 235
 PebbleTime RoundRemove Buy NowPolarM400Remove Buy NowAmazfitBipRemove Buy NowCasioWSD-F20ARemove Buy NowGarminForerunner 235Remove Buy Now

Basic Info

Suggested Price$200$200$99.99$399$299.99
Release20152014201820182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days8 hours to 30 days30 days1 day9 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a176 x 176320 x 320215 x 180
Sizeroundn/a1.28 inches1.32 inches1.23 inches
Touch
Typee-papern/aNALCDMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX73 ATMIP685 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aWear OS
Apps
Music

All Wearables