Apple Watch Series 3 vs. ASUS ZenWatch 3 vs. Garmin Fenix 5s vs. Fitbit Flex vs. Apple Watch Series 4

 
Watch Series 3
ZenWatch 3
Fenix 5s
Flex
Watch Series 4
 AppleWatch Series 3Remove Buy NowASUSZenWatch 3Remove Buy NowGarminFenix 5sRemove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$329$229$599.99$100$329
Release20172017201720132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours48 hoursUp to 9 days5 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312400 x 400218x 218NA384 x 480
Size1.5 inches or 1.65 inches1.39 inches1.1 inchesNA1.78 inches
TouchNA
TypeAMOLEDAMOLEDnaLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM10ATM1 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4Android Wear 2NAWatch OS 5
Apps
Music

All Wearables