Garmin Forerunner 735XT vs. Garmin Vivofit 4 vs. Michael Kors Access Sofie HR vs. Amazfit T-Rex

 
Forerunner 735XT
Vivofit 4
Access Sofie HR
T-Rex
 GarminForerunner 735XTRemove Buy NowGarminVivofit 4Remove Buy NowMichael KorsAccess Sofie HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$450$79.95$395$140
Release2016201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days1 year2 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution215 x 18088 x 88390 x 390360 x 360
Size1.23 inchesNA1.19 inches1.3 inches
Touchn/a
Typen/aNAOMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSBuild-in
Apps
Music

All Wearables