Difference between Selenium RC and Selenium Web Driver

Selenium RC	Selenium Web driver
It is easy and small API. These API’s are less Object oriented	As compared to RC, it is bit complex and large API. API’s are entirely Object oriented
Selenium RC is slower since it uses a JavaScript program called Selenium Core. This Selenium Core is the one that directly controls the browser, not you.	Web Driver is faster than Selenium RC since it speaks directly to the browser uses the browser’s own engine to control it.
Selenium Core, just like other JavaScript codes, can access disabled elements.	Web Driver interacts with page elements in a more realistic way. It interacts natively with browser application
Required to start server before executing the test script.	Doesn’t required to start server before executing the test script.
It is standalone java program which allow you to run Html test suites.	It actual core API which has binding in a range of languages.
Selenium RC cannot support the headless HtmlUnit browser. It needs a real, visible browser to operate on.	Web Driver can support the headless HtmlUnit browser.
It doesn’t supports of moving mouse cursors.	It supports of moving mouse cursors.
Selenium RC Has Built-In Test Result Generator. Selenium RC automatically generates an HTML file of test results.	Web Driver has no built-in command that automatically generates a Test Results File.
It does not supports listeners	It supports the implementation of listeners
Selenium RC needs the help of the RC Server in order to do so.	web Driver directly talks to the browser
It does not support to test iphone/Android applications	It support to test iphone/Android applications
Selenium RC can support new browsers	It cannot readily support new browsers