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Someone school me on HT with sandy B.

post #1 of 4
Thread Starter 
so right now im bored and i have nothing to play with. as it sits my current system config in the bios is:

bios = F7D
50x100 Multi
100.2 blck
HT = Enabled.
Vcore = 1.375 manually set in bios (shows as 1.404 in cpu-z)
PLL OVERVOLTAGE = Enabled
Pll = 1.76
LLC = Level 2
CNTRL-F!: Turned Off Pci Spread Spectrum
All the energy savings crap: off
Turbo = off

Ram = (downclocked to 1866)
Voltage = 1.52

Prime stable for 8 hours (i stopped because there was no need to continue)
IBT (with new linpack) 20 passes on extreme stable.

idle Temp = 36C
LOAD Temp = 66C

Now my question is if i turn off HT, will i take a noticeable performance hit? and in turning it off will i be able to lower my Vcore needed for 5ghz?

the most intensive program i use would be Autocad but mostly going to be for gaming and music playing at EXTREME LEVELS.
Edited by Not A Good Idea - 1/19/11 at 8:13am
post #2 of 4
You won't notice a difference when gaming on or off. I believe there is a 1fps difference with SMT on v. Off.

I'm not sure if there is a difference between a higher/lower vcore with SMT-off or not based on the Core i5-2500K where many over clock about the same as the 2600K even with SMT enabled.

I will say there is a difference, but a trivial one - one that won't make a difference between 4.9Ghz or 5Ghz.

My opinion is to just leave it alone as if you don't have the workload for SMT, then it likely won't draw extra power as SMT doesn't enable unless the workload moves beyond the fourth core/thread.
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post #3 of 4
turn HT off and temps will drop and you will not need as much Vcore.

but if you do a lot of stuff that can use HT keep it on.
    
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post #4 of 4
Turning it off may help, but why did you spend the extra $100? You might see a performance hit in AutoCAD, but for gaming there really isn't a difference.
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ColdCut
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