Garmin Forerunner 225 vs. Garmin Vivosmart HR vs. Moov Now vs. Garmin 645 Music vs. Amazfit T-Rex

 
Forerunner 225
Vivosmart HR
Now
645 Music
T-Rex
 GarminForerunner 225Remove Buy NowGarminVivosmart HRRemove Buy NowMoovNowRemove Buy NowGarmin645 MusicRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$300$170$79$450$140
Release20152015201520182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks5 days6 months7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180160 x 68n/a240 x 240360 x 360
Size1 inch1.08 inchesn/a1.2 inches1.3 inches
Touchn/a
Typen/an/an/aMIPAMOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance5 ATM5 ATMn/a5 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/an/aBuild-in
Appsn/a
Musicn/a

All Wearables