AMD is yet to announce its challengers to the likes of the RTX 3070 and RTX 3080, but rumoured clock speeds suggest that at least one Navi 21 SKU will be capable of reaching 2.4 GHz. The Navi 21 XT is thought to offer 16 GB of GDDR6 RAM too, along with a 255 TGP. The Navi 21 XL and XLE will supposedly be no slouches, either.
https://www.notebookcheck.net/The-AMD-Radeon-RX-6900-XT-rumoured-to-top-at-a-game-clock-of-2-4-GHz-but-AIB-cards-could-go-even-higher.498558.0.html