Yorkfield models for single-processor systems can start from the frequency 3.2 GHz with TDP level 136 W. Furthermore, processor with such characteristics will be sold as minimum with $1399.
From other side the newest yorkfield processors models can overclock to frequencies 4.4-4.5 GHz with good air cooler and increase in the vcore voltage.
Will Intel be able to present in the future penryn generation processors with frequency 4.0 GHz? Here is the worlds of Steve Fischer (Steve fischer), leader of processors development .
Penryn processors will start from the 3.2 GHz frequency , and they will have a reserve to reach the 4.0 GHz frequency later. So Intel selected the frequency range Of penryn with reserve and this is completely normal. Let us note that in the fourth quarter 2008 bloomfield processors with the new architecture nehalem for a while will stay in the expensive price segments, and penryn processors will continue their development in the more accessible price niches up to the second-half of 2009. Here in Penryn will appear chance to open its frequency potential. The optimized 45 nm technical process will allow them to reduce their TDP level at 4.0 GHz frequencies to some acceptable values.