Fitbit Flex 2 vs. Sony SmartBand Talk vs. Fitbit Charge vs. Fitbit Flex vs. Garmin Vivofit 4

 
Flex 2
SmartBand Talk
Charge
Flex
Vivofit 4
 FitbitFlex 2Remove Buy NowSonySmartBand TalkRemove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$100$170$130$100$79.95
Release20162014201420132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days3 days7-10 days5 days1 year
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNANA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a296 x 128NANA88 x 88
Sizen/a1.4 inchesNANANA
Touchn/aNANA
TypeLEDE InkOLEDLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP681 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNANA
Apps
Music

All Wearables