Radeon Vision Tek HD 7970 3GB / Mac Flashed / Metal / 30% Faster than 7950
Comparison Benchmarks vs the 7970 vs 7950. The Radeon HD 7970 was a high-end graphics card by AMD. Built on the 28 nm process, and based on the Tahiti graphics processor, in its Tahiti XT variant, the card supports DirectX 12.