The highest end version of Arrow Lake CPUs for laptops (Core Ultra 9 275HX) will have up to 24 processing cores split into 8 high-speed performance cores and 16 efficiency cores.
In comparison, the mid-range Core Ultra 7 265HX (with 8 performance cores and 12 efficiency cores) will boost up to 5.3GHz, and the Core Ultra 5 245HX will boost up to 5.1GHz.
With Intel having just announced the Core Ultra 200HX CPUs, we will likely start seeing hardware partners unveiling laptops powered by these new CPUs in the coming months.