Intel detailed some of the technical aspects of its upcoming Arc Xe-HPG Alchemist DG2 GPU during its Architecture Day 2021 presentation. Arc DG2 is fabbed on the TSMC 6 nm process and is comprised of what Intel calls as Xe-cores, with up to 4 Xe-cores in a render slice which also includes ray tracing cores and fixed function units.
https://www.notebookcheck.net/Intel-details-Arc-Xe-HPG-DG2-Alchemist-architecture-each-Alchemist-render-slice-made-of-four-Xe-cores-and-an-equal-number-of-ray-tracing-cores.555981.0.html