Cache sizes will be 3MB for 2.1GHz and 2.4GHz models and 6MB for the 2.5GHz, 2.6GHz, and 2.8GHz models. And those mobile chips based on the 45nm "Penryn" core will come out on Q1 2008
VR-Zone : Technology Beats - Intel Prepares Penryn For Santa Rosa Refresh In Q1 2008