Discrete GPU Performance (Overclocked CPU)
At the high resolution of 2,560 x 1,440, Battlefield 4 is very much GPU-limited, even when using an R9 290X on medium settings. Nevertheless, Mantle is able to boost performance by 6 or 7 percent. This isn't a drastic amount, and at these framerates the differences are hardly perceptible, but free performance is free performance.
Dropping to 1080p, the story is the same for the R9 290X, as it sees 6-7 percent boosts at both the ultra and medium presets, although again it won't deliver an experience that's noticeably smoother than Direct3D. The R9 280X, which remember uses the older generation of GCN hardware and is thus not very optimised currently, actually experiences a slight performance decrease. The R7 260X, meanwhile, doesn't change at all in the heavily GPU-limited ultra scenario, but gets a minor (4 percent) boost using medium.
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Posted by Harlequin - Wed Feb 05 2014 11:48
Posted by GeorgeStorm - Wed Feb 05 2014 11:56
Posted by maverik-sg1 - Wed Feb 05 2014 12:05
Posted by Panos - Wed Feb 05 2014 12:21
On previous reviews here, (not only on 290X but 780s as comparison), with same 3570 at 4.2Ghz,
2,560 x 1,600, 4x AA 16x AF, ultra detail settings, DirectX 11
The 290X (normal???) with Cat 13.11 was Minimum 36, Avg 44.
Now on "Uber" mode with Cat 14.1
2,560 x 1,440, Ultra Detail (no description about AF & AA though)
Min 40 Avg 48.
I doubt 4AA, 16AF and 410,000 pixels can provide only 10% hit. Or do we miss something from the settings used?
Other than that, great review proving that all these 45%-50% performance on graphics alone, was a "myth". Yes on the low end, but on overclocked i5 and i7 the gain is minimal. (hell my 4820K is at 5Ghz).