Hyperthreading

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9 Jul 2009
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177
Just wondering whether anyone on this forum has hyperthreading disabled, and what difference they find it makes to their performance.

I've been told that disabling HT can lower temps, and that it's not that important when playing games - yet I'm still leaning towards keeping it because it sounds like a major performance booster on a daily basis.

What's the general consensus on the use of hyperthreading? (See sig for my rig)
 
In a practical sense, how noticeable would the difference be on my rig?

Would daily use - say: email, web browsing, chat - be noticeable either way? And, for a gaming rig, would better gaming performance be had with it running, or would it be more advisable to disable it and use that difference in temperature to achieve a better overclock instead?
 
For those uses an i7 was never a good idea, it's not going to matter either way. Gaming doesn't need or want 8 threads, the rest of it wouldn't stress a single core. Why do you have 12gb of ram?

^sounds a bit hostile, I fear mainly because I want 12gb of ram and don't have it :(

I tell myself it's because I use CS4 a fair bit for work (and because I'm impatient and hate waiting for things to load), but the truth is just because I'm a nerd who wastes far too much money on his machine. :)

Regardless, given you can't stress the i7, it is probably better to turn hyperthreading off and clock it higher. However, the limiting factor is probably using 12gb instead of 6gb of ram, so you'll also get better performance if you drop down to 6gb and clock the cpu higher.

Had I understood the full extent of i7 overclocking before I ordered this, I may have stuck with 6GB. But I refuse to see an i7 rig with 12GB of DDR3 as a "limited" system because it still has the ability to beat my old rig blindfolded.

But if I'm able to get my CPU to 3.8GHz and my RAM to 9-9-9-24 @1866MHz then I'll be happy as that will pack one hell of a punch. And I don't think that'll be too hard to reach once I get my head around the overclocking side of things.
 
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