The full Crysis 2 DX11 update consists of 3 components which further enhance CryEngine 3 graphics. The Crysis 2 DirectX 11 Ultra patch brings tessellation, real-time local reflections, FFT water simulation and other DirectX 11 enhancements to the game. Crytek has also released a High-res texture pack doubling the resolution of the stock textures included in the stock Crysis 2 game install. Both of these updates are optional and are enabled through installation of the Crysis 2 version 1.9 update which adds the Ultra graphics setting preset. What has been added and does it deliver the goods as promised? The best way to know and find out is by playing."
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips