Garmin Forerunner 235 vs. Garmin Vivoactive 3 vs. Fitbit Charge HR vs. Fitbit Flex vs. Amazfit T-Rex

 
Forerunner 235
Vivoactive 3
Charge HR
Flex
T-Rex
 GarminForerunner 235Remove Buy NowGarminVivoactive 3Remove Buy NowFitbitCharge HRRemove Buy NowFitbitFlexRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$299.99$299$150$100$140
Release20172017201520132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration9 days7 days5 days5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution215 x 180240 x 240NANA360 x 360
Size1.23 inches1.2 inchesNANA1.3 inches
TouchNANA
TypeMIPMIPOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNANABuild-in
Apps
Music

All Wearables