Fitbit Surge vs. Fitbit Versa vs. Garmin 645 Music vs. Garmin Vivofit 4 vs. Amazfit T-Rex

 
Surge
Versa
645 Music
Vivofit 4
T-Rex
 FitbitSurgeRemove Buy NowFitbitVersaRemove Buy NowGarmin645 MusicRemove Buy NowGarminVivofit 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$199.99$450$79.95$140
Release20162018201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days4 days7 days1 year20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a300 x300240 x 24088 x 88360 x 360
Size1.26 inches1.34 inches1.2 inchesNA1.3 inches
Touch
TypeMonochrome LCDOLEDMIPNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aBuild-in
Apps
Music

All Wearables