Polar Loop 2 vs. Casio WSD-F20A vs. Garmin Fenix 5X vs. Fitbit Flex

 
Loop 2
WSD-F20A
Fenix 5X
Flex
 PolarLoop 2Remove Buy NowCasioWSD-F20ARemove Buy NowGarminFenix 5XRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$120$399$699$100
Release2015201820172013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration8 days (without notifications)1 dayUp to 12 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320240 x240NA
Sizen/a1.32 inches1.2 inchesNA
TouchNA
TypeLEDLCDNALED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5 ATM10 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNA
Apps
Music

All Wearables