This graphs show AMDs performance expectations and may be part of a leaked Reviewers Guide that are given out by companies like AMD and NVIDIA to reviewers. While often need to be taken with a pinch of salt, the firstm blurry, graph shows the performance at a resolution of 2560 x 1600, the second graph was a remade version by a community member of tweakers.net.
Expected performance levels of the HD 7970.
These figures at such a high resolution may however be misleading.
Source via TPU