BabelTechReviews published The i7-8700K OC vs. i9-10900K - Is the i9 a Good Upgrade for a RTX 2080 Ti? A quote from the article:

Upgrading to i9-10900K from an OC i7-8700K Fine-tuning an i9 OC for Maximum Gaming Performance This follow-up to BTRs EVGA Z490 FTW motherboard review focuses on gaming.  Originally we found that our off-the-shelf Intel i9-10900K could only manage an all-core overclock of 5.1GHz which performs faster than at stock for synthetic and workstation loads.

  The i7-8700K OC vs. i9-10900K - Is the i9 a Good Upgrade for a RTX 2080 Ti?