[citation][nom]liemfukliang[/nom]Please benchmark which one is better if I buy more expensive prossesor vs more expensive GPU (give a same balance, with many combination spec of proccesor and GPU).Why Adobe choose CUDA, because Adobe CS5 is target for professional. In Proffesional Quadro is the King, so that why Adobe support CUDA. CMIIW.[/citation]
This depends on your needs and uses.
1. What are going to be your every day uses?
2. What programs will you use, and how will you use them most often?
3. What is your budget?
4. Are you going to be using Premiere most? ( that's where this article shined )
I think there's always a sweet spot and balance with everything
This article did a good job in showing the difference in the CPU's performance between 2 - 12 cores with and without HT enabled, and it showed where CUDA really shines.
I think the Premiere benchmarks really show the benefits of CUDA and really back up Adobe's claims of 10x increased performance, WHEN Rendering, adding effects to the timeline, in this case CUDA really shines.
http://www.tomshardware.com/reviews/adobe-cs5-cuda-64-bit,2770-10.html
I think you should read the Premiere benchmarks and conclusions carefully as they tell you how and when you will benefit from CUDA, and when and where you will benefit from the CPU.
It all boils down to how you will use Premiere, and where the benefits make sense for you.
One thing is clear, you'll want a minimum Quad Core CPU and in my opinion, nothing less than a GTX 460, the more CUDA cores, the better, and if you're using Premiere CS5 you must have a 64 bit Operating system, I'm sure you already knew that.
The more memory the better, ( I'll be getting another 6 GB soon )
In my experience 6 GB hasn't been enough on several occasions, and I really don't like using the paging file on my SSD, yes, the paging file can reside on another drive, but it isn't always the case with Windows 7, if there's an error, it always defaults to the C drive ( Off topic, I know )
Here's my system that I built for about $2k
i7 930, P6X58D-E, 6 GB RAM ( Getting another 6GB ), 80GB SSD ( x-25m ) for the OS W7 Ultimate - 1 TB Samsung F1, GTX 460 MSI Cyclone, HX750 Watt PSU, NH-D14 cooler
btw - the 930 is very easy to overclock, and it's almost a must!
😉
This system handles premiere CS5 very smoothly, and I'm very happy with it, use it as reference.
If you really wanted to, you can improve it further by going with the 980x, and a GTX 480, that will add another $1000 approximately. Look at the benchmarks carefully though, a Quad Core CPU is more than plenty, the GPU in this case is very important.