Garmin Vivoactive vs. Amazfit Bip vs. Garmin 645 Music vs. Amazfit T-Rex vs. Garmin VivoActive 4

 
Vivoactive
Bip
645 Music
T-Rex
VivoActive 4
 GarminVivoactiveRemove Buy NowAmazfitBipRemove Buy NowGarmin645 MusicRemove Buy NowAmazfitT-RexRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$250$99.99$450$140$349
Release20152018201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days30 days7 days20 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution205 x 148176 x 176240 x 240360 x 360260 x 260
Size1.38 inches1.28 inches1.2 inches1.3 inches1.3ionches
Touch
TypeLCDNAMIPAMOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aBuild-inWear OS
Apps
Music

All Wearables