Fitbit Flex 2 vs. Garmin Vivosmart 3 vs. Sony SmartBand vs. Garmin Vivosmart 4

 
Flex 2
Vivosmart 3
SmartBand
Vivosmart 4
 FitbitFlex 2Remove Buy NowGarminVivosmart 3Remove Buy NowSonySmartBandRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$100$139.99$100$130
Release2016201720142018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days5 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/aNA
Resolutionn/a64 x 128NA48 x 128
Sizen/aNANA0.74 inches
Touchn/aNA
TypeLEDOLEDNAOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP585 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNA
Apps
Music

All Wearables