Amazon EC2 performance vs desktop

Posted by flashnik on Server Fault See other posts from Server Fault or by flashnik
Published on 2011-01-02T00:09:10Z Indexed on 2011/01/02 0:55 UTC
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Filed under:

Performance

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hosting

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amazon-ec2

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dedicated-server

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benchmarks

I'm wondering how to compare performance of EC2 instances with standard dedicated servers and desktop. I've found only comparance of defferent clouds.

I need to find a solution to perform some computations which require CPU and memory (disc IO is not used). The choice is to use:

EC2 (High-CPU) or
Xeon 5620/5630 with DDR3 or
Core i7-960/980 with DDR3

Can anybody help, how to compare their performance? I'm not speaking about reliability of alternatives, I want to understand pros and cons from the point of just performance.

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