Fitbit Flex 2 vs. ASUS ZenWatch 3 vs. Fitbit Ionic vs. Garmin Fenix 5 vs. Casio WSD-F20A

 
Flex 2
ZenWatch 3
Ionic
Fenix 5
WSD-F20A
 FitbitFlex 2Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowGarminFenix 5Remove Buy NowCasioWSD-F20ARemove Buy Now

Basic Info

Suggested Price$100$229$299$599.99$399
Release20162017201720172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours4+ days2 Weeks1 day
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a400 x 400348x250240 x 240320 x 320
Sizen/a1.39 inches1.421.2 inches1.32 inches
Touchn/a
TypeLEDAMOLEDOLEDnaLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50m10 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2Fitbit OSWear OS
Apps
Music

All Wearables