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Performance difference between Hyper-threading ON or OFF for a i7-920@4,5ghz in game?

post #1 of 6
Thread Starter 
Hi guys, I have my I7-920 at 4,5ghz and I would like to know the performance difference in game between Hyper-threading ON and OFF!?

Some guys said HT is useless for gaming, other said they saw the game goes on smother with HT ON (for example on Battlefield3)!

So what should I chose? smile.gif

Thanks guys!
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post #2 of 6
There is no point in turning it off. Even if you don't get a performance boost in a game, it doesn't hurt you either.

If a game uses more than 4 threads hyperthreading will perform better. If it uses 4 or less, it will perform the same.
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post #3 of 6
Thread Starter 
Quote:
Originally Posted by frozne View Post

There is no point in turning it off. Even if you don't get a performance boost in a game, it doesn't hurt you either.
If a game uses more than 4 threads hyperthreading will perform better. If it uses 4 or less, it will perform the same.

The only point in turning it off would be to lower temperature and probably even voltage and power consumption!

I would prefer to keep it turn on too, it Can be usefull in same occasions
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post #4 of 6
Quote:
Originally Posted by Luca T View Post

Hi guys, I have my I7-920 at 4,5ghz and I would like to know the performance difference in game between Hyper-threading ON and OFF!?
Some guys said HT is useless for gaming, other said they saw the game goes on smother with HT ON (for example on Battlefield3)!
So what should I chose? smile.gif
Thanks guys!

you can always try yourselfs, and let us know if theres a difference ..lol

if i play bf3, i see that 4 cores a busy, about 30-40% load,
from what i hear , the 3570K without HT performs better then the 3770k with HT in games,
thats why most say, buy a 3570k if you play games, and save a 100 bucks ..lol
but what difference are we talking about, a few fps? or 10+fps difference?
im with the others tho, no point in turning it off, or maybe just to see if theres a difference while playing games..
i did turn ht off, for benching, to look if my gflops would go up, and they did smile.gif
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post #5 of 6
I doubt it would like 4.5GHz and HT on...

dunx

P.S. Mine is just stable at 4 GHz with HT on.
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post #6 of 6
Thread Starter 
Sorry for your cpu

My previous one was a bad one and could reach just 4ghz really a lot of 920 reach 4, 2 and some lucky 920 reach even 4, 4-4, 5
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CPUMotherboardGraphicsGraphics
Intel i7-990X @ 4,65Ghz HT Off ASUS Ramoage III Extreme 2 X Sapphire 7970 @ 1200/1500 Zotac GeForce GTX 650 AMP 
RAMHard DriveHard DriveOptical Drive
Corsair Dominator 2X 80Gb Intel X25 Raid0 1Tb WD Caviar Green Plextron DVD 
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Hard DriveCoolingCoolingCooling
Raid0 2X Samsung 850 Pro Koolance 380i Radiator 420 Alphacool NexXxos XT45 Full Copper Radiator 420 Alphacool UT60 Full Copper 
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