Garmin 645 Music vs. Garmin Forerunner 235 vs. Garmin Vivofit 4 vs. Mobvoi TicWatch e2 vs. Apple Series 6

 
645 Music
Forerunner 235
Vivofit 4
TicWatch e2
Series 6
 Garmin645 MusicRemove Buy NowGarminForerunner 235Remove Buy NowGarminVivofit 4Remove Buy NowMobvoiTicWatch e2Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$450$299.99$79.95$200$399
Release20182017201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days9 days1 year1 dayNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240215 x 18088 x 88360 x 360384 x 480
Size1.2 inches1.23 inchesNA1.2 inches40mm
Touch
TypeMIPMIPNAAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM5 ATM5 ATMIP68

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSWatchOS 5
Apps
Music

All Wearables