Intel is consciously delaying three of its desktop quad-core chips based on the new 45-nanometer Penryn architecture to undermine similar releases from AMD, claim some Taiwan mainboard producers. Previously slated for January 20th, the 2.5GHz (Q9300), 2.66GHz (Q9450), and 2.83GHz (Q9550) Core 2 Quad will be pushed back to a February or March relea