Fitbit Surge vs. Casio WSD-F20A vs. Fitbit Charge vs. Fitbit Flex vs. Garmin Vivosmart 4

 
Surge
WSD-F20A
Charge
Flex
Vivosmart 4
 FitbitSurgeRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$250$399$130$100$130
Release20162018201420132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days1 day7-10 days5 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320NANA48 x 128
Size1.26 inches1.32 inchesNANA0.74 inches
TouchNANA
TypeMonochrome LCDLCDOLEDLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNANA
Apps
Music

All Wearables