Nvidia releases 257.21 WHQL driver for laptops, desktops

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Roughly three weeks after offering a public beta, Nvidia has announced the first WHQL certified release for their new 256 driver series. Highlighted features include support for OpenGL 4.0 on GeForce GTX 400 series GPUs, support for CUDA Toolkit 3.1, support for new extreme Antialiasing modes on 3-way SLI, including the up to SLI48x AA on Geforce 200 series and SLI96x for the GTX 400 series, support for a new "Quality" mode for Ambient Occlusion, Blu-ray 3D support, and new sections in the Control Panel for SLI, PhysX, and CUDA controls.

Besides the extra functionality, the 257.21 release includes numerous bug fixes as well as significant performance improvements on a number of game titles. You can find out more about these in the official release notes, which are available separately for Windows 7 or Vista and Windows XP (in PDF format).

The new 257.21 drivers are also available for laptop users running either Windows 7 or Vista -- in 32-bit and 64-bit flavors -- but not Windows XP. Highlights are pretty much the same as in the desktop but also include support for Nvidia Optimus graphics switching. You can download the latest WHQL release by choosing the appropriate version on this page.

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