Garmin Forerunner 735XT vs. Polar M430 vs. Garmin 645 Music vs. Polar A370 vs. Garmin Vivosmart 4

 
Forerunner 735XT
M430
645 Music
A370
Vivosmart 4
 GarminForerunner 735XTRemove Buy NowPolarM430Remove Buy NowGarmin645 MusicRemove Buy NowPolarA370Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$450$255$450$179.95$130
Release20162017201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days30 hours7 daysUp to 3 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution215 x 180128x128240 x 240160 x 8048 x 128
Size1.23 inches1.4 inch1.2 inches1.18 inches0.74 inches
Touchn/a
Typen/aLCDMIPTFT LCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMWR305 ATMWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/a
Apps
Music

All Wearables