You have two options in this category. These are the Sapphire Radeon RX 6900 XT, which comes with an exceptional 128 MB infinity cache and 16GB GDDR6 AMD RDNA. The other useful option would be the Best NVIDIA for 4K: ASUS TUF Gaming RTX 3090 OC. It has 3rd Generation Tensor Cores, dual ball fan bearings, axial tech fan design, and more.