Fitbit Flex 2 vs. Garmin Forerunner 235 vs. Fitbit Charge 3 vs. Fitbit Charge HR vs. Amazfit GTS

 
Flex 2
Forerunner 235
Charge 3
Charge HR
GTS
 FitbitFlex 2Remove Buy NowGarminForerunner 235Remove Buy NowFitbitCharge 3Remove Buy NowFitbitCharge HRRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$100$299.99$150$150$150
Release20162017201820152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days9 days7 days5 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/a215 x 18066 x 18NA348 x 442
Sizen/a1.23 inches.721 inchesNA1.65 inches
Touchn/aNA
TypeLEDMIPOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANAWear OS
Apps
Music

All Wearables