I know the HD 4000 is good enough to beat nVidia 320M at some points. But is it good at OpenCL? Many pro applications like Aperture, Final Cut Pro uses OpenCL to enhance the computing power.
If you own an Ivy Bridge MacBook Pro 13-inch, and you are willing to be the tester, please download the opencl benchmark tool here( http://www.macupdate...---ati- -nvidia ) and run the program, capture a screen shot, and post it here.
Here is mine. MacBook Pro 13-inch Mid-2010, C2D 2.4GHz/8G RAM/128G SSD/nVidia 320M
Result: around 37fps