4th generation iPad benchmarks shows proof that 1.4 GHZ dual Core Processor and 1GB of Ram can do better performance about twice as fast as the 3rd generation iPad.  3rd generation iPad was released last March 2012.  Apple made fourth generation iPad to add new hardware, lightning dock, battery and type of screen.  4th generation iPad also has A6X processor running little bit powerful than iPhone 5.  You can see the picture how closer between iPad 4th generation and iPhone 5.