Cinema 4D/Adobe CS5: i7 930 or Xeon E5620?

I think Xeon E5620: 2,4 Ghz & 12 MB Cache should be better for your Rendering and DTP.It will give you the best performance what you want.removal company
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If you are creating a single processor workstation then the i7 930 is the way to go..

So, you think 16 % more Ghz would be greater than 50 % more Cache ? ... why? I want to understandt.  

The 16% more GHz difference can be upscaled to 50% easily.. Cache count doesn't matter much over the sheer speed especially when it comes to rendering.. Moreover, Xeons are server domain processors designed to run in multi CPU environment and thus are provided with two or more QPI links.. The below link will give you an idea of the comparative analysis in stock conditions..

http://www.cpubenchmark.net/cpu_lookup.php?cpu=Intel+Co...

If you can setup for a dual processor rig wherein you buy one now and the other later, xeon is the (and the only) way to go..

Thank you very much for your explaination! You helped me very much.  

Happy to be of help..