Polar M430 vs. Garmin 645 Music vs. Mobvoi TicWatch e2 vs. Garmin Vivosmart 4 vs. Apple SE

 
M430
645 Music
TicWatch e2
Vivosmart 4
SE
 PolarM430Remove Buy NowGarmin645 MusicRemove Buy NowMobvoiTicWatch e2Remove Buy NowGarminVivosmart 4Remove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$255$450$200$130$279
Release20172018201920182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration30 hours7 days1 day7 days18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128x128240 x 240360 x 36048 x 128384 x 480
Size1.4 inch1.2 inches1.2 inches0.74 inches40mm
Touch
TypeLCDMIPAMOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water ResistanceWR305 ATMIP685 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSWatchOS 5
Apps
Music

All Wearables