Download the Nvidia GeForce 327.23 WHQL driver as released by NVIDIA.
GeForce R327 increases performance for GeForce 400/500/600/700 Series GPUs in several PC games when compared to the GeForce 320.49 WHQL drivers. We have a discussion thread open on these drivers right here. Thanks (again) to WhiteLightning for spotting these with the speed of .. Lighting ;)
This Game Ready WHQL driver ensures you’ll have the best possible gaming experience and is also a recommended driver update for the Windows 8.1 Preview. GeForce R327 drivers also provide performance increases for a variety of different games.
New in GeForce R327 Drivers
Performance Boost – Increases performance by up to 19% for GeForce 400/500/600/700 series GPUs in several PC games vs. GeForce 320.49 WHQL-certified drivers. Results will vary depending on your GPU and system configuration. Here is one example of measured gains: