The Compubench site has added a listing for a "genuine" Intel CPU that is integrated with a "Gen12 Mobile Graphics Controller". This, then, may be the integrated graphics solution that is said to launch alongside Tiger Lake chipsets. The benchmark indicates that it has 96 execution units (EUs) and goes at 1.1GHz.
https://www.notebookcheck.net/A-96-EU-iGPU-described-as-Intel-Gen12-surfaces-on-Compubench.435699.0.html