Yep, the title says it all. The next crop of Dell laptops featuring the Yonah CPU will also have an option of using the Mobility X1800XT chipset. This chipset is to compete with the 7800GTX MXM card. The snapshot below tells all. The clocks? The core is running at 446MHz and the memory is running at 495MHz. When will this debut? From our sources, around the end of January early February. Take a gander at the Catalyst info below:

3DChipset