Radeon RX 7800 XT Radeon RX 7900 GRE Radeon RX 7900 XT GPU Navi 32 Navi 31 Navi 31 Stream processor 3840 5120 5376 Compute Unit 60 80 84 AI Accelerator 120 160 168 Ray Accelerator 60 80 84 Infinity Cache 64 MB 64 MB 80 MB Game Clock 2124 MHz 1880 MHz 2000 MHz Boost Clock 2430 MHz 2245 MHz 2400 MHz Memoria 16 GB 16 GB 20 GB Tipo memoria GDDR6 GDDR6 GDDR6 Bus 256 bit 256 bit 320 bit Velocità memoria 19,5 Gbps 18 Gbps 20 Gbps PCIe PCIe 4.