As usual Apple has updated the hardware of the tablet. First and foremost is a new processor, the A6X. This dual-core processor with quad-core graphics is supposedly twice as fast as the A5 chip found in the iPad 3 with twice the graphics performance.

Naturally we put these claims to the test. Apple doesn't publish clock speeds and such like but the GeekBench 2 states the A6X is 1.39GHz and the iPad 4 has 1GB of RAM - 988GB for our exact sample.

The numbers are certainly impressive. In GeekBench 2 we saw a new record of 1769 (the iPad 3 scored in the region of 750) and in the SunSpider JavaScript test the iPad 4 managed a speedy average of 854ms.

While the numbers can amaze and astound, it's the real life user performance which is important. The iPad 4 is a nippy device but the overall impression is that it's not much quicker than the iPad 3, certainly not twice as fast.

We did find performance impressive with a frame rate of 39fps, the iPad 3 managed 22fps. So it's the graphics improvements which are the more noticeable. We could see no difference in general navigation but more noticeable in more demanding tasks. In Apple Maps, for example, pinch zooming is a little bit smoother.