Graphics - Nvidia Tegra chipset.
Surface – Windows 8 Pro version:
The surface will also have an option for a special digital pen which can be used with the screen (which will recognize whenever the pen is near). The pen itself can also be magnetized to the side of the tablet.
Surface video by Microsoft -
Microsoft did not disclose exact launch dates or pricing but the RT version will be priced competitively to other tablets on the market while the Win 8 Pro version will probably cost closer to an ultraportable laptop (and according to some sources will run a Core i5 Intel CPU) which means around $1000.
More info can be found on Microsoft’s Surface website.