You probably notice from the graph above that the iPad 2, iPad 3 and iPad mini have almost identical “overall” performance. Why? Because they’re all based on the A5. The iPad 3 has the A5X, which boosts graphic performance by 4x, largely to support the 4x increase in the number of pixels on the Retina display.
The new, fourth-generation iPad blows the doors off all of them, though, as it rocks the new A6X chip. Apple’s claims that it’s “up to two times faster” are true – 2.34 times faster, to be exact. Check the source link below for more test results comparing the devices.
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