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

 
Charge 2
Forerunner 235
Flex
Vivosmart 3
GTS
 FitbitCharge 2Remove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 3Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$150$299.99$100$139.99$150
Release20162017201320172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days9 days5 days5 days14 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a215 x 180NA64 x 128348 x 442
Sizen/a1.23 inchesNANA1.65 inches
Touchn/aNA
TypeOLEDMIPLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAWear OS
Apps
Music

All Wearables