AMD Radeon HD 7950 On Linux: Southern Islands Isn't Yet A Penguin Holiday
With a resolution of 1600 x 1200, the XFX Radeon HD 7950 was 42% faster than the reference Radeon HD 6950 graphics card used.
When at a resolution of 1920 x 1080, Unigine Heaven 2.1 was running just shy of 60 FPS for the XFX Radeon HD 7950. However, the factory-overclocked XFX R7950 was 44% than the previous-generation HD 6950.
After increasing the Unigine Heaven 2.1 resolution to 2560 x 1600, the resolution dropped below 40 FPS, but remained 42% faster than the Radeon HD 6950.