Garmin Forerunner 735XT vs. Garmin 645 Music vs. Michael Kors Access Sofie HR vs. Garmin Vivosmart 4 vs. Amazfit GTR

 
Forerunner 735XT
645 Music
Access Sofie HR
Vivosmart 4
GTR
 GarminForerunner 735XTRemove Buy NowGarmin645 MusicRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowGarminVivosmart 4Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$450$450$395$130$199
Release20162018201920182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days7 days2 days7 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution215 x 180240 x 240390 x 39048 x 128454 x 454
Size1.23 inches1.2 inches1.19 inches0.74 inches1.39 inches
Touchn/a
Typen/aMIPOMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM0.3 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSBuild-in
Apps
Music

All Wearables