AMD Navi 23 Radeon RX 6600 series to feature 8 GB GDDR6 and PCIe Gen4 x8 for both desktop and mobile variants, can potentially compete with the RX 5700 series - NotebookCheck.net News
AMD Radeon RX 6600 Navi 23 Series Alleged Clock Speeds, PCIe 4, And Mem Specs Leaked | HotHardware
AMD Navi 23 could be an 'Nvidia killer' graphics card that launches in 2020 | TechRadar
AMD Navi 23 Radeon RX 6600 series to feature 8 GB GDDR6 and PCIe Gen4 x8 for both desktop and mobile variants, can potentially compete with the RX 5700 series - NotebookCheck.net News