Pebble Time Round vs. Polar M430 vs. Casio WSD-F20A vs. Garmin 645 Music vs. Garmin Forerunner 45

 
Time Round
M430
WSD-F20A
645 Music
Forerunner 45
 PebbleTime RoundRemove Buy NowPolarM430Remove Buy NowCasioWSD-F20ARemove Buy NowGarmin645 MusicRemove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$200$255$399$450$199
Release20152017201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days30 hours1 day7 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128x128320 x 320240 x 240208 x 208
Sizeround1.4 inch1.32 inches1.2 inches1.04 inches
Touch
Typee-paperLCDLCDMIPLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX7WR305 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSWear OSBuilt-in
Apps
Music

All Wearables