Fitbit Charge 2 vs. Fitbit Charge vs. Fitbit Flex vs. Garmin Vivosport vs. Garmin Vivosmart 4

 
Charge 2
Charge
Flex
Vivosport
Vivosmart 4
 FitbitCharge 2Remove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy NowGarminVivosportRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$150$130$100$199$130
Release20162014201320172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7-10 days5 days7 days7 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/aNANA72 x 14448 x 128
Sizen/aNANANA0.74 inches
Touchn/aNANA
TypeOLEDOLEDLEDMIPOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a1 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANA
Apps
Music

All Wearables