Fitbit Flex 2 vs. Casio WSD-F20A vs. Polar Loop vs. Garmin Vivosmart 4 vs. Fossil Gen 5 Smartwatch Carlyle

 
Flex 2
WSD-F20A
Loop
Vivosmart 4
Gen 5 Smartwatch Carlyle
 FitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowPolarLoopRemove Buy NowGarminVivosmart 4Remove Buy NowFossilGen 5 Smartwatch CarlyleRemove Buy Now

Basic Info

Suggested Price$100$399$100$130$295
Release20162018201320182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day5 days7 days1 day
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320NA48 x 128328 x 328
Sizen/a1.32 inchesNA0.74 inches1.3 inches
Touchn/a
TypeLEDLCDLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM2 ATM5 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNAWear OS
Apps
Music

All Wearables