Fitbit Flex 2 vs. ASUS ZenWatch 3 vs. Amazfit Cor vs. Apple Watch Series 4 vs. Garmin Forerunner 45

 
Flex 2
ZenWatch 3
Cor
Watch Series 4
Forerunner 45
 FitbitFlex 2Remove Buy NowASUSZenWatch 3Remove Buy NowAmazfitCorRemove Buy NowAppleWatch Series 4Remove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$100$229$79.99$329$199
Release20162017201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours12 daysNot Yet7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a400 x 40080 x 160384 x 480208 x 208
Sizen/a1.39 inches1.23 inches1.78 inches1.04 inches
Touchn/a
TypeLEDAMOLEDIPS LCDMicroLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMNot Yet5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2Watch OS 5Built-in
Apps
Music

All Wearables