Phenom What Is The Difference Between AMD Opteron1000 Series Processors And AMD Phenom Processors?

What is the difference between AMD Opteron1000 series processors and AMD Phenom processors? - phenom

I use 3D software Maya.
I have a complaint time.thats Maya has a lot to do, I bought high-end /

friendly tell me what is best for my goal is (Opteron and Phenom?)
-What is the main difference between older processors.