Fitbit Surge vs. Fitbit Alta vs. Garmin Forerunner 235 vs. Garmin Vivofit 4 vs. Amazfit T-Rex

 
Surge
Alta
Forerunner 235
Vivofit 4
T-Rex
 FitbitSurgeRemove Buy NowFitbitAltaRemove Buy NowGarminForerunner 235Remove Buy NowGarminVivofit 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$130$299.99$79.95$140
Release20162016201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 days9 days1 year20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a215 x 18088 x 88360 x 360
Size1.26 inchesn/a1.23 inchesNA1.3 inches
Touchn/a
TypeMonochrome LCDOLEDMIPNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aBuild-in
Apps
Music

All Wearables