Polar M430 vs. Casio WSD-F20A vs. Garmin 645 Music vs. Fitbit Charge HR vs. Mobvoi TicWatch e2

 
M430
WSD-F20A
645 Music
Charge HR
TicWatch e2
 PolarM430Remove Buy NowCasioWSD-F20ARemove Buy NowGarmin645 MusicRemove Buy NowFitbitCharge HRRemove Buy NowMobvoiTicWatch e2Remove Buy Now

Basic Info

Suggested Price$255$399$450$150$200
Release20172018201820152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration30 hours1 day7 days5 days1 day
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128x128320 x 320240 x 240NA360 x 360
Size1.4 inch1.32 inches1.2 inchesNA1.2 inches
TouchNA
TypeLCDLCDMIPOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR305 ATM5 ATM1 ATMIP68

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSNAWear OS
Apps
Music

All Wearables