The claims about the 970 performing badly have been based on artificial tests that intentionally exercise the 0.5GB of VRAM that isn't reachable via the 224-bit data path. These tests do not actually demonstrate a flaw that causes the 970 to perform badly when playing games or other practical loads.
The Witcher 3, as with other well-written games, will budget VRAM according to the available VRAM and the chosen settings. It is unlikely that even 4GB cards will be asked to run with a 4GB texture budget.
---------- Updated at 11:52 PM ----------
AMD HD 5xxx series cards are still supported in the current Catalyst Omega 14.12 and Catalyst Beta 15.4 drivers. Only 4xxx and earlier have been reduced to legacy support.
That said, I agree with you that a computer with 4GB RAM and an HD 5830 is far enough below the minimum spec as to raise doubts about the game playing in any satisfactory mode at all.
The Witcher 3, as with other well-written games, will budget VRAM according to the available VRAM and the chosen settings. It is unlikely that even 4GB cards will be asked to run with a 4GB texture budget.
---------- Updated at 11:52 PM ----------
Don't spread FUD or false claims. This thread is a place where those who claim to speak authoritatively must be careful to check their facts before posting.
AMD HD 5xxx series cards are still supported in the current Catalyst Omega 14.12 and Catalyst Beta 15.4 drivers. Only 4xxx and earlier have been reduced to legacy support.
That said, I agree with you that a computer with 4GB RAM and an HD 5830 is far enough below the minimum spec as to raise doubts about the game playing in any satisfactory mode at all.
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