I want to know if its fine to trade my RX 480 for a HD 7990. Is the HD 7990 faster or a better swop. I know its alot older. Does it support dx 12 aswell?
With Crossfire enabled on the 7990 it would be the same speed as the RX 480 if and only if the game supported multiple GPUs and had 100% scaling, something which doesn't happen often, and in DirectX 12 if and only if the programmers take advantage of DirectX 12 Multi GPU, which is different from DirectX 11 and previous. If Crossfire is not functioning the 7990 is 53% slower than the RX 480.
wow thanx man that makes so much sense. i think ill keep my card for now
LOL ! Unless you're running Crossfire enabled titles and you have a Crossfire system, the RX480 is way more powerful than the HD7xxxx.
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