This is the first WHQL-certified unified driver from the R300 family of drivers (versions 300.00 to 301.99).

GeForce R300 drivers are packed with new industry-leading, GeForce-exclusive features as well as some really nice performance increases in top games.

New in R300 Drivers:

New GPU Support:
GeForce GTX 690
GeForce GTX 680
GeForce GTX 670
GeForce GT 600-series GPUs

Performance Boost – Increases performance for GeForce 400 Series and 500 Series GPUs in several PC games vs. GeForce 296.10 WHQL-certified drivers. Results will vary depending on your GPU and system configuration.
http://www.geforce.com/whats-new/art...vers-released/