ATI Default IQ vs Nvidia Default IQ
Our first set of examples was created using the default settings on Nvidia and ATI hardware, this is the quality that the consumer will see when outputting a signal to their TV using HDMI from both cards. We opted for an YCbCr signal rather than RGB as YCbCr is the method used by default on ATI if the graphics card detects a display which is capable of receiving these signals. Nvidia actually default to RGB but this is easily changeable in the control panel where as ATI do not offer this option.
For complete clarity, here are the default options in each control panel: