Garmin Forerunner 225 vs. Garmin 645 Music vs. Polar Loop vs. Amazfit Verge vs. Garmin VivoActive 4

 
Forerunner 225
645 Music
Loop
Verge
VivoActive 4
 GarminForerunner 225Remove Buy NowGarmin645 MusicRemove Buy NowPolarLoopRemove Buy NowAmazfitVergeRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$300$450$100$160$349
Release20152018201320192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks7 days5 days5 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180240 x 240NA454x454260 x 260
Size1 inch1.2 inchesNA1.39 inches1.3ionches
Touch
Typen/aMIPLEDOMOLEDMIP

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM2 ATMIP685 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aNAAMAZFIT OSWear OS
Appsn/a
Musicn/a

All Wearables