Fitbit Surge vs. Garmin Forerunner 735XT vs. Polar M400 vs. Garmin Vivofit 4 vs. Amazfit T-Rex

 
Surge
Forerunner 735XT
M400
Vivofit 4
T-Rex
 FitbitSurgeRemove Buy NowGarminForerunner 735XTRemove Buy NowPolarM400Remove Buy NowGarminVivofit 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$450$200$79.95$140
Release20162016201420182019

Activity & Fitness

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

Battery

Duration7 days14 hours to 11 days8 hours to 30 days1 year20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a215 x 180n/a88 x 88360 x 360
Size1.26 inches1.23 inchesn/aNA1.3 inches
Touchn/a
TypeMonochrome LCDn/an/aNAAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM3 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aBuild-in
Apps
Music

All Wearables