Fitbit Flex 2 vs. Fitbit Flex vs. Samsung Gear Fit vs. Sony SmartBand vs. Garmin Vivosmart 4

 
Flex 2
Flex
Gear Fit
SmartBand
Vivosmart 4
 FitbitFlex 2Remove Buy NowFitbitFlexRemove Buy NowSamsungGear FitRemove Buy NowSonySmartBandRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$100$100$150$100$130
Release20162013201420142018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days2-3 days5 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/aNA
Resolutionn/aNA432 x 128NA48 x 128
Sizen/aNA1.84 inchesNA0.74 inches
Touchn/aNANA
TypeLEDLEDSuper AMOLEDNAOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATMIP67IP585 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANANA
Apps
Music

All Wearables