https://arstechnica.com/gadgets/2022/03/dells-xps-17-and-15-laptops-now-sold-with-12th-gen-intel-cpus/

Dell updated its largest XPS clamshells on Thursday to include the latest mobile chips from Intel. Now, 12th-gen "Alder Lake" chips are available in the 17- and 15.6-inch versions of the XPS.

Both the XPS 17 and 15 now have options for an Intel Core i5-12500H or i7-12700H. The former has four performance cores (P-cores), eight efficiency cores (E-cores), and a turbo clock speed of up to 4.5 GHz, while the latter has six P-Cores and eight E-cores and can hit up to 4.7 GHz. To get Intel's highest-end i9-12900HK, which has six P-cores and eight E-cores and can hit 5 GHz, you'll have to get the smaller-screened XPS 15.