In terms of overall gaming performance, the graphical capabilities of the AMD Radeon RX 570X 8GB are significantly better than the AMD Radeon RX 460 2GB.

The RX 570X has a 78 MHz higher core clock speed and 72 more Texture Mapping Units than the RX 460. This results in the RX 570X providing 88.5 GTexel/s better texturing performance. This still holds weight but shader performance is generally more relevant, particularly since both of these GPUs support at least DirectX 10.

The RX 570X has a 78 MHz higher core clock speed and 16 more Render Output Units than the RX 460. This results in the RX 570X providing 20 GPixel/s better pixeling performance. However, both GPUs support DirectX 9 or above, and pixeling performance is only really relevant when comparing older cards.

The RX 570X was released over a year more recently than the RX 460, and so the RX 570X is likely to have better driver support, meaning it will be more optimized for running the latest games when compared to the RX 460.

Both GPUs exhibit very powerful performance, so it probably isn't worth upgrading from one to the other, as both are capable of running even the most demanding games at the highest settings.

The RX 570X has 6144 MB more video memory than the RX 460, so is likely to be much better at displaying game textures at higher resolutions. This is supported by the fact that the RX 570X also has superior memory performance overall.

The RX 570X has 224 GB/sec greater memory bandwidth than the RX 460, which means that the memory performance of the RX 570X is massively better than the RX 460.

The Radeon RX 570X 8GB has 2048 Shader Processing Units and the Radeon RX 460 2GB has 896. However, the actual shader performance of the RX 570X is 2548 and the actual shader performance of the RX 460 is 1075. The RX 570X having 1473 better shader performance and an altogether better performance when taking into account other relevant data means that the RX 570X delivers a massively smoother and more efficient experience when processing graphical data than the RX 460.

The Radeon RX 570X 8GB requires 120 Watts to run and the Radeon RX 460 2GB requires 75 Watts. We would recommend a PSU with at least 450 Watts for the RX 570X and a PSU with at least 350 Watts for the RX 460. The RX 570X requires 45 Watts more than the RX 460 to run. The difference is significant enough that the RX 570X may have a slight adverse affect on your yearly electricity bills in comparison to the RX 460.