I've seen this for years and years. Fact, once you get to 1920x1080 or higher with max detail settings the CPU in by far not the limiting factor in bleeding edge game graphics tech.
The CPU does however make an impact at all resolutions and detail settings when you are looking at high end RTS titles(hundreds-thousands of units doing stuff), flight simulators(MS Flight sim and its clones are completely CPU bound) or massive active world type games such as the Grand Theft Auto series(much like the RTS games, a ton of things happening at the same time).
As for crossfire on an APU, it's actually a great idea for mid range cards provided you have fast enough RAM to allow the APU to stretch it's legs.
Pairing an APU with a high end GPU, already being done, see the MSI GX60 http://www.msi.com/product/nb/GX60.html which is pairing the A10-4600m with an HD7970m in a 15" laptop. You get to have cake that isn't a lie, the HD7970m is only spooled up for heavy gaming and for heavy GPGPU tasks, when it isn't needed you get good all around performance and actual battery life so that you can use the laptop for actual work.
It'll be interesting to see what happens with OpenCL and GPGPU for in game physics. These APUs would be perfect for use as physics co-processors in the same way that Nvidia does with low end cards and PhysX.
The CPU does however make an impact at all resolutions and detail settings when you are looking at high end RTS titles(hundreds-thousands of units doing stuff), flight simulators(MS Flight sim and its clones are completely CPU bound) or massive active world type games such as the Grand Theft Auto series(much like the RTS games, a ton of things happening at the same time).
As for crossfire on an APU, it's actually a great idea for mid range cards provided you have fast enough RAM to allow the APU to stretch it's legs.
Pairing an APU with a high end GPU, already being done, see the MSI GX60 http://www.msi.com/product/nb/GX60.html which is pairing the A10-4600m with an HD7970m in a 15" laptop. You get to have cake that isn't a lie, the HD7970m is only spooled up for heavy gaming and for heavy GPGPU tasks, when it isn't needed you get good all around performance and actual battery life so that you can use the laptop for actual work.
It'll be interesting to see what happens with OpenCL and GPGPU for in game physics. These APUs would be perfect for use as physics co-processors in the same way that Nvidia does with low end cards and PhysX.
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