In terms of overall gaming performance, the graphical capabilities of the Nvidia Quadro FX 4800 are very slightly better than the AMD Radeon R7 240 2GB.

The R7 240 was released over a year more recently than the Quadro FX 4800, and so the R7 240 is likely to have better driver support, meaning it will be more optimized for running the latest games when compared to the Quadro FX 4800.

The R7 240 has 512 MB more video memory than the Quadro FX 4800, so is likely to be much better at displaying game textures at higher resolutions. However, the overall memory performance is about the same.

The Quadro FX 4800 has 48 GB/sec greater memory bandwidth than the R7 240, which means that the memory performance of the Quadro FX 4800 is noticeably better than the R7 240.

The Radeon R7 240 2GB has 320 Shader Processing Units and the Quadro FX 4800 has 192. However, the actual shader performance of the R7 240 is 212 and the actual shader performance of the Quadro FX 4800 is 116. The R7 240 having 96 better shader performance is not particularly notable, as altogether the Quadro FX 4800 performs better when taking into account other relevant data.

The R7 240 transistor size technology is 37 nm (nanometers) smaller than the Quadro FX 4800. This means that the R7 240 is expected to run much cooler and achieve higher clock frequencies than the Quadro FX 4800. While they exhibit similar graphical performance, the R7 240 should consume less power than the Quadro FX 4800.

The Radeon R7 240 2GB requires 30 Watts to run and the Quadro FX 4800 requires 150 Watts. We would recommend a PSU with at least 400 Watts for the R7 240 and a PSU with at least 750 Watts for the Quadro FX 4800. The Quadro FX 4800 requires 120 Watts more than the R7 240 to run. The difference is significant enough that the Quadro FX 4800 may have an adverse affect on your yearly electricity bills in comparison to the R7 240.