Garmin 645 Music vs. Garmin Chronos vs. Garmin Vivosport vs. Garmin Instinct vs. Amazfit T-Rex

 
645 Music
Chronos
Vivosport
Instinct
T-Rex
 Garmin645 MusicRemove Buy NowGarminChronosRemove Buy NowGarminVivosportRemove Buy NowGarminInstinctRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$450$1500$199$300$140
Release20182018201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days8 days7 days14 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240218 x 21872 x 144128 x 128360 x 360
Size1.2 inches1.2 inchesNA0.9 inches1.3 inches
Touch
TypeMIPMIPMIPOMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM10 ATM5 ATM10 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSBuild-in
Apps
Music

All Wearables