The Geekbench OpenCL tests reveal a few new specs for both the GPU and the CPU, but the actual results appear to be too low to reflect the performance of the final product. Intel is probably testing the stability of the chips, as the drivers are not optimized enough for now.
https://www.notebookcheck.net/Intel-DG2-Xe-HPG-flagship-GPU-tested-in-Geekbench-along-with-16-core-Alder-Lake-S-CPU.527957.0.html