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 ;)

Release Summary

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:

GeForce GTX 770:

• Up to 15% in Dirt: Showdown
• Up to 6% in Tomb Raider

GeForce GTX 770 SLI

• Up to 19% in Dirt: Showdown
• Up to 11% in F1 2012

SLI Technology

• Added SLI profile for Spinter Cell: Blacklist
• Added SLI profile for Batman: Arkham Origins

SHIELD

• Enables GeForce to SHIELD streaming. Learn more here.

4K Displays

• Adds support for additional tiled 4K displays
• Adds support for 4K FCAT testing
• Extended support for tiled 4K features

Additional Details

• Installs new PhysX System Software 9.13.0725.
• Installs HD Audio v1.3.26.4
• Includes support for applications built using CUDA 5.5 or earlier version of the CUDA Toolkit. 
• Supports OpenGL 4.3 for GeForce 400-series and later GPUs.
• Supports DisplayPort 1.2 for GeForce GTX 600 series GPUs.
• Supports multiple languages and APIs for GPU computing: CUDA C, CUDA C++, CUDA Fortran, OpenCL, DirectCompute, and Microsoft C++ AMP.
• Supports single GPU and NVIDIA SLI technology on DirectX 9, DirectX 10, DirectX 11, and OpenGL, including 3-way SLI, Quad SLI, and SLI support on SLI-certified Intel and AMD motherboards.

Supported products