Comparing Intel processors for web server

we are upgrading servers, and need to compare these to see if it's worth the extra expense for faster performance.
Does anyone have any performance experience for web server usage?

Intel sandy bridge,Xeon E3-1220 4x 3.1Ghz cores, 8M L3 -                         $145.95 (MONTH)
Intel Sandy Bridge Xeon E3 1230, 4x 3.2Ghz cores, 8x HT cores, 8M L3 -  $119.95 (MONTH)
Dual Intel                Xeon E3-2609 8x 2.13Ghz cores, with HT,           $179.95 (MONTH)
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Seth SimmonsSr. Systems AdministratorCommented:
this will compare the 3 and show the features and differences (if it helps),52271,52269

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willsherwoodAuthor Commented:
Thanks for the comparison link.
I was hoping for a sense of performance "value"
That's odd, they're charging more for the 1220 than the 1230 which clocks slightly faster and has hyperthreading available.

It's impossible to spec up a server without knowing what work it's going to do, will there be one page visit per hour or 5000 per second? is a good starting point, it suggests for high volume you need a 4GB of RAM - that's peanuts nowadays. Where he says "a larger cache can yield much better performance overall. " be aware that all processors have large cache compared to what was available when that article was written,

If your current server is doing the job OK you could use to get performance stats off it and then just get another server with similar or better performance.
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willsherwoodAuthor Commented:
LAMP  (Linux/Apache) server, not huge loads, shared hosting.
sorry i didn't give that detail.
Take a look at "Tomcat Sizing Guide for HP ProLiant c-Class Blade Servers" and it'll give you some idea of the ballpark, 1000 user connections 1721.0 requests per second 577ms response. Halve it for a single E3 1230 you'll still manage over 500 requests per second for static pages but that's just the webserver part, you won't pull that many pages off the disks at that speed so the processor will be idling most of the time.

There's always caveats of course, do you need mySQL and on the same box? Encryption is pretty processor intensive if you need SSL.
willsherwoodAuthor Commented:
Thank you!
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