cmdrdredd
Lifer
- Dec 12, 2001
- 27,052
- 357
- 126
In general, I agree...either a card wins apples-to-apples or it doesn't, and with MSAA, AMD fails badly, but...
This. MSAA just isn't necessary in BF3 for a clean image at 1920. At either high or ultra settings, the graphics are just stunning.
Be careful. You're probably hitting the VRAM limit, and SLI won't help you with that. I just jumped to HD5850 crossfire, and I use 930MB per card in high, 950MB per card in ultra/no MSAA, and blow the memory limit at ultra/MSAA, all at 1920.
But scaling is otherwise fantastic:
(1) Single HD5850@850/1200, multiplayer, high, 1920: 43fps
(2) Dual HD5850@850/1200, multiplayer, high, 1920: 80fps (I actually run this with vsync while gaming - so I get a constant 60fps).
Yeah the VRAM limit is what hurts, but 2GB cards probably won't see the limits if someone were going for 2GB cards. AA is fine with AMD cards in every game except the way Battlefield 3 does MSAA. It eats up the FPS like nobody's business. Even on a GTX 580. It was noted on many sites that even the 580 should turn off MSAA to keep a more consistent frame rate and only CFX/SLI systems can really take advantage of the MSAA options without some situations becoming unplayable at 1920x1080 and higher.
There's a lot of newer titles, specifically DX11 titles like Lost Planet 2, Metro 2033, Crysis 2 (with DX11 patch and textures) that even a GTX 580 can barely keep 60fps averages when you turn settings up and add on the AA. While that might be alright for some people. I would think that the minimum FPS you experience would be quite low at some points. Not unplayable, but low enough that you notice. It depends on the title though as some games don't rely on twitch gameplay and the FPS isn't going to be as integral.
As always the best thing to do is evaluate the games you're interested in and then look at the cards in your budget and see which card would offer the performance you're after for the price you're willing to pay.
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