Garmin Vivosmart HR vs. Amazfit Arc vs. Garmin 645 Music vs. Garmin Forerunner 235 vs. Amazfit T-Rex

 
Vivosmart HR
Arc
645 Music
Forerunner 235
T-Rex
 GarminVivosmart HRRemove Buy NowAmazfitArcRemove Buy NowGarmin645 MusicRemove Buy NowGarminForerunner 235Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$170$69.99$450$299.99$140
Release20152016201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days20 days7 days9 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution160 x 6872 x40240 x 240215 x 180360 x 360
Size1.08 inches0.42 inches1.2 inches1.23 inches1.3 inches
Touch
Typen/aOLEDMIPMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP675 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aBuild-in
Apps
Music

All Wearables