What I'm looking for is the fastest 2D card. Basically I want all my window changes drawn as fast as possible, same with moving windows.
Still I got a GTX670 because I thought with it's PCIe 3.0 and 256bit GDDR5 memory interface it should be very fast at 2D too.
Didn't find any OSX 2D benchmark software.
For Windows there is 2Dbench.exe from TomsHardware.com.
So I run it under Fusion 5 and got really surprised.
The HD4000 got more then double the 2D performance to the expensive GTX670.
Also tested a GT640, it's close to the GTX670 and but also half the 2D performance of the HD4000.
All test run fullscreen 2560x1600, OSX 10.8.2., Fusion 5.0.1, on a Dell 3011, 30" screen connected with DP.
HD4000 - 1030
GT640 - 510
GTX670 - 473
(yes higher numbers are faster ...)
This results say that any PCIe graphic card is much slower then the integrated HD4000 in 2D.
And all the normal daily stuff, like browsing the web, email, movies etc. is 2D.
Is there any OSX 2D benchmark software to confirm this ?