The EVGA NVIDIA GeForce RTX 3090 KINGPIN is currently the world's fastest graphics card, having achieved a score of 16,673 points in 3DMark Port Royal. The card managed the lofty score at 2.58 GHz, or over 50% higher than stock NVIDIA speeds.
https://www.notebookcheck.net/EVGA-s-NVIDIA-GeForce-RTX-3090-KINGPIN-hits-2-58-GHz-in-world-beating-3DMark-Port-Royal-benchmark-run.495348.0.html