In terms of overall gaming performance, the graphical capabilities of the Nvidia GeForce RTX 2080 Ti SLI are massively better than the AMD Radeon RX 460 Sapphire Nitro 4G D5.

The RTX 2080 Ti has a 260 MHz higher core clock speed and 208 more Texture Mapping Units than the RX 460. This results in the RTX 2080 Ti providing 297.4 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 RTX 2080 Ti has a 260 MHz higher core clock speed and 72 more Render Output Units than the RX 460. This results in the RTX 2080 Ti providing 101.4 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 RTX 2080 Ti was released over a year more recently than the RX 460, and so the RTX 2080 Ti 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 RTX 2080 Ti has 7168 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 RTX 2080 Ti also has superior memory performance overall.

The RTX 2080 Ti has 504 GB/sec greater memory bandwidth than the RX 460, which means that the memory performance of the RTX 2080 Ti is massively better than the RX 460.

The GeForce RTX 2080 Ti SLI has 4352 Shader Processing Units and the Radeon RX 460 Sapphire Nitro 4G D5 has 896. However, the actual shader performance of the RTX 2080 Ti is 7116 and the actual shader performance of the RX 460 is 1120. The RTX 2080 Ti having 5996 better shader performance and an altogether better performance when taking into account other relevant data means that the RTX 2080 Ti delivers a massively smoother and more efficient experience when processing graphical data than the RX 460.

The RTX 2080 Ti transistor size technology is 2 nm (nanometers) smaller than the RX 460. This means that the RTX 2080 Ti is expected to run very slightly cooler and achieve higher clock frequencies than the RX 460.

The GeForce RTX 2080 Ti SLI requires 260 Watts to run and the Radeon RX 460 Sapphire Nitro 4G D5 requires 150 Watts. We would recommend a PSU with at least 650 Watts for the RTX 2080 Ti and a PSU with at least 450 Watts for the RX 460. The RTX 2080 Ti requires 110 Watts more than the RX 460 to run. The difference is significant enough that the RTX 2080 Ti may have an adverse affect on your yearly electricity bills in comparison to the RX 460.