AMD Navi XTXH, XLE, and Nashira Point variants spotted on USB-IF: XTXH could be a possible Navi 21 variant with HBM2(E) support - NotebookCheck.net News
AMD RDNA2 "Navi 21" GPU to Double CU Count Over "Navi 10" | TechPowerUp
AMD Navi 21 GPU Specs | TechPowerUp GPU Database
Navi 31 powered AMD Radeon RX 7900 XT could offer a 2X performance uplift over its Navi 21 toting counterpart - NotebookCheck.net News
AMD Radeon RX 6000 - The real power consumption of Navi21 XT and Navi21 XL, the used memory and the availability of the board partner cards | Exclusive | igor´sLAB
AMD Radeon RX 6950XT features Navi 21 KXTX GPU, supports Hynix and Samsung 18Gbps memory - VideoCardz.com
Is this a Radeon RX 6800XT (Navi 21) engineering board ?