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i7 HTT vs i5 Help needed

post #1 of 8
Thread Starter 
I know HTT has been asked about on these forums and others a lot, however I am still wondering if it will assist me in my regular computer use.

I am trying to figure out if I should get the i5 2500k or the i7 2600k.

I always seem to run into CPU bottle-neck via my regular comp usage.

First off pleas don't ask why I do things this way. This thread is about if HTT will help me or if i should just get the i5.

I run Firefox with adblock plus. I will have anywhere from 50-200 widows/tabs open at a time and it will stay that high for days if not weeks.

I run 5 instances of WOW at one time with 5 bots botting away. (you can complain about this to your priest if you want, but do it on your own time)

I am watching movies with VLC player or via the web while all the rest is running.

Some times I have a LONG (2-3 day) DOD File Eraser going while doing all of this.

I also have a Vent server and client running as well.

On top of all of this in the future I would like to add a couple of other things to the list of running things.

I plan on OC ether the i5 or the i7 to 4.5Ghz

QUESTION
Will having an i7 HTT running with 8 virtual cores help me? What I would do is get an auto core affinity setter to set all of these different processes up on different Vcores. From what I have read over the internet this should allow for everything to run smother since I would be setting them up on their own (and sometimes shared) Vcores. Am I correct on my information? FYI running Windows 7 Ultimate which supports HTT.
Edited by WhiteDragon32 - 6/10/11 at 5:05pm
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post #2 of 8
Given the amount of applications you say you use at the same time id get the i7. Having the 8 threads will really help.
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post #3 of 8
Yeah, HT should definitely prove more benficial in your circumstances there, along with the extra +2MB of L3 cache. Having all those apps much will definitely require a bit more horsepower then the i7's smaller brother.
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post #4 of 8
I would say the i7 should overall be better for you, though I'm not really sure all thing things you're doing will really be optimized to take advantage of HTT.

Honestly I'm really not sure how well HHT works when you're running that many different things. The idea behind HHT is when code is optimized for it you should receive between a 20 to 40 percent performance increase. However in gaming HTT can actually cause a small drop in performance since a virtual core isn't nearly as good as an actual core.

I'm personally not a big fan of HHT, I think in this case something like an SR2 while multiple x6 chips would actually be what you'd want. Another option would be to wait for bulldozer, however I think given the sheer amount of resources all those things would take you'd be better off with more than four physical cores. An SR2 build would cost quite a bit more, but you'd have access to three times the core count, as well as more ram.

The thing to remember is that when you start trying to force unoptimized code down fake cores the performance actually suffers. Think of linpacks, when someone with an i7 runs one with 8 threads their performance is terrible. It's actually well below the performance they'd get with same clocks with HTT disabled.

Just my 2 cents, I have no idea if it would actually help or not.
    
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post #5 of 8
Thread Starter 
Quote:
Originally Posted by BallaTheFeared View Post
I would say the i7 should overall be better for you, though I'm not really sure all thing things you're doing will really be optimized to take advantage of HTT.

Honestly I'm really not sure how well HHT works when you're running that many different things. The idea behind HHT is when code is optimized for it you should receive between a 20 to 40 percent performance increase. However in gaming HTT can actually cause a small drop in performance since a virtual core isn't nearly as good as an actual core.

I'm personally not a big fan of HHT, I think in this case something like an SR2 while multiple x6 chips would actually be what you'd want. Another option would be to wait for bulldozer, however I think given the sheer amount of resources all those things would take you'd be better off with more than four physical cores. An SR2 build would cost quite a bit more, but you'd have access to three times the core count, as well as more ram.

The thing to remember is that when you start trying to force unoptimized code down fake cores the performance actually suffers. Think of linpacks, when someone with an i7 runs one with 8 threads their performance is terrible. It's actually well below the performance they'd get with same clocks with HTT disabled.

Just my 2 cents, I have no idea if it would actually help or not.
Ok. Than you very much on this reply. I like how u added in the facts on the linpack performance tests. Ill more than likely go with the i5 and just have it OC at 4.5 then since an i7 with no HTT is an i5.
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post #6 of 8
You might want too consider a dual xeon server set up for all that stuff going on.
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post #7 of 8
Thread Starter 
Quote:
Originally Posted by djsi38t View Post
You might want too consider a dual xeon server set up for all that stuff going on.
Unfortunately that is out of my price range. So, I'll just be going with the i5 OC at 4.5ghz
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post #8 of 8
Quote:
Originally Posted by WhiteDragon32 View Post
Unfortunately that is out of my price range. So, I'll just be going with the i5 OC at 4.5ghz
I see others have already answered with regard to the HT issue.

So yes, this is I think the best option, getting the 2500K and overclocking. The things that you're doing aren't in themselves highly multithreaded, you're just running lots of stuff, for which I don't think HT helps much. I doubt the 2500K will bottleneck you, even with all those things you plan on running, so the money is better spent elsewhere if/when you need to
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