Fitbit Charge 2 vs. Fitbit One vs. Fitbit Flex vs. Amazfit GTS vs. Garmin VivoActive 4

 
Charge 2
One
Flex
GTS
VivoActive 4
 FitbitCharge 2Remove Buy NowFitbitOneRemove Buy NowFitbitFlexRemove Buy NowAmazfitGTSRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$150$100$100$150$349
Release20162012201320192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days10-14 days5 days14 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/aNA348 x 442260 x 260
Sizen/an/aNA1.65 inches1.3ionches
Touchn/aNA
TypeOLEDOLEDLEDAMOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aSplast Resistant1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNAWear OSWear OS
Apps
Music

All Wearables