Garmin Forerunner 225 vs. Amazfit Bip vs. Garmin 645 Music vs. Garmin Vivosmart HR Plus vs. Amazfit T-Rex

 
Forerunner 225
Bip
645 Music
Vivosmart HR Plus
T-Rex
 GarminForerunner 225Remove Buy NowAmazfitBipRemove Buy NowGarmin645 MusicRemove Buy NowGarminVivosmart HR PlusRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$300$99.99$450$179$140
Release20152018201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks30 days7 days5 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180176 x 176240 x 240160 x 68360 x 360
Size1 inch1.28 inches1.2 inches0.5 inches x 0.8 inches1.3 inches
Touch
Typen/aNAMIPLCDAMOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP685 ATM5 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aNABuild-in
Appsn/a
Musicn/a

All Wearables