This Game Ready driver offers the best gaming experience for Splinter Cell:
Blacklist and is also a recommended driver update for the Windows 8.1 Preview.
GeForce R326 drivers also provide performance increases for a variety of
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: