Graphic card question

Hi. I have a few questions about the graphic card off the tablet.

What model in concret have this tablet, becose we know that the model is an intel HD (some crystal Hd version), but whats about the Clock speed?? Can whe make some overclock??. Is this graphic card better or at the same level that the NVIDIA Tegra 2 that have all the android tablets???
Are there some hack drivers for more speed??

And when we will instal some android/linux version how will we found the drivers for this graphic card???

Hope that somebady can help me with this questions.

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Intel HD Graphics and Broadcom Crystal HD are two *completely* different things. The Intel HD GMA is actually built into the processor package, so you can't overclock it specifically (though there's another thread about our current inability to overclock the CPU).

i5+HD has been compared to Tegra 2 on other sites. But different OS makes the comparison sort of pointless.

Intel has released HD Graphics drivers for linux: Intel Linux Graphics