Fitbit Surge vs. Garmin Forerunner 735XT vs. Garmin Vivoactive HR vs. Garmin 645 Music vs. Amazfit T-Rex

 
Surge
Forerunner 735XT
Vivoactive HR
645 Music
T-Rex
 FitbitSurgeRemove Buy NowGarminForerunner 735XTRemove Buy NowGarminVivoactive HRRemove Buy NowGarmin645 MusicRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$450$250$450$140
Release20162016201620182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days14 hours to 11 days13 hours to 8 days7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a215 x 180148 x 205240 x 240360 x 360
Size1.26 inches1.23 inches1.38 inches1.2 inches1.3 inches
Touchn/a
TypeMonochrome LCDn/an/aMIPAMOLED

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/an/an/aBuild-in
Apps
Music

All Wearables