Garmin 645 Music vs. Garmin Fenix 5x Plus vs. Michael Kors Access Sofie HR vs. Amazfit GTR vs. Amazfit T-Rex

 
645 Music
Fenix 5x Plus
Access Sofie HR
GTR
T-Rex
 Garmin645 MusicRemove Buy NowGarminFenix 5x PlusRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowAmazfitGTRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$450$850$395$199$140
Release20182018201920192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days20 days2 days24 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240240 x 240390 x 390454 x 454360 x 360
Size1.2 inches1.2 inches1.19 inches1.39 inches1.3 inches
Touch
TypeMIPMIPOMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM10 ATM0.3 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSWear OSBuild-inBuild-in
Apps
Music

All Wearables