Pebble Steel vs. Casio WSD-F20A vs. Garmin 645 Music vs. Mobvoi TicWatch E vs. Garmin Vivofit 4

 
Steel
WSD-F20A
645 Music
TicWatch E
Vivofit 4
 PebbleSteelRemove Buy NowCasioWSD-F20ARemove Buy NowGarmin645 MusicRemove Buy NowMobvoiTicWatch ERemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$150$399$450$159$79.95
Release20142018201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days1 day7 days1.5-2 days1 year
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144320 x 320240 x 240400 x 40088 x 88
Size1.26 inches1.32 inches1.2 inches1.4 inchesNA
Touch
Typee-paperLCDMIPOLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSWear OSAndroid Wear 2.0
Apps
Music

All Wearables