Garmin 645 Music vs. Garmin Chronos vs. Polar A370 vs. Mobvoi TicWatch e2 vs. Garmin VivoActive 4

 
645 Music
Chronos
A370
TicWatch e2
VivoActive 4
 Garmin645 MusicRemove Buy NowGarminChronosRemove Buy NowPolarA370Remove Buy NowMobvoiTicWatch e2Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$450$1500$179.95$200$349
Release20182018201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days8 daysUp to 3 days1 day8 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240218 x 218160 x 80360 x 360260 x 260
Size1.2 inches1.2 inches1.18 inches1.2 inches1.3ionches
Touch
TypeMIPMIPTFT LCDAMOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM10 ATMWR30IP685 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSWear OSWear OS
Apps
Music

All Wearables