I don't know if this is the best place for this post or not, please move or delete if you feel it's inapropriate. I did a little render comparison test in V-ray Maya on my new system and old. In case you were looking at upgrading to the new 3930k intel chip it might interest you.
Benchmark Image

Render Results:
AMD 1090T 6 core 8GB RAM
8:28 minutes
Intel i7 3930k 6 core 32GB RAM
3:37 minutes
Here is a little more information in my blog post about it.
https://mayazest.blogspot.com/2011/12...0k-vs-amd.html
-Ethan