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Intel i7 920 D0 Owners Thread - Page 16

post #151 of 399
Quote:
Originally Posted by Lyric View Post
why do people turn ht off? whats the point in getting a i7 if you aren't going to use its capabilities.

sorry if it seems like a rant, but its a valid question. If there is 4GHz with HT on...and then 4.2ghz with ht off. I'm pretty sure 4ghz with ht on would be better performance.
it help reduce temp and does not really impact performance when gaming. I have mine on since I'm on water cooling.
Edited by ltulod - 6/17/09 at 11:35am
    
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post #152 of 399
Quote:
Originally Posted by ltulod View Post
it help reduce temp and does not really impact performance when gaming. I have mine on since I'm on water cooling.
I can confirm. Turning off HT yields about a 10 degrees celsius temperature drop under load.
post #153 of 399
My 24/7 overclock always includes hyperthreading, this was actually the first time I've tried turning it off, pretty much just to see the difference in voltage & temperature, & see if I could finally get 4.2 without going to 1.3V or more.

I agree, if I have hyperthreading seems like a waste to just turn it off.
    
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post #154 of 399
Quote:
Originally Posted by 45nm View Post
I can confirm. Turning off HT yields about a 10 degrees celsius temperature drop under load.
oh wow...10 degree drop with just turning ht off? and less vcore as well I see from reading that thread....so I could overclock it up a bit more.

I'll have to try that, could I gain points in vantage by turning it off? or does vantage/3dmark06 use all 8 cores/threads?
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post #155 of 399
im posting some screens when I get my new rig up next weekend!
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post #156 of 399
for 4.2 with Turbo and HT on I have to be at 1.3625
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post #157 of 399
Quote:
Originally Posted by Lyric View Post
oh wow...10 degree drop with just turning ht off? and less vcore as well I see from reading that thread....so I could overclock it up a bit more.

I'll have to try that, could I gain points in vantage by turning it off? or does vantage/3dmark06 use all 8 cores/threads?
Robilar's results with HT indicated that with HT off he was able to achieve a higher 3D Mark 06 score (+1000 points) than with HT on. Give or take a few degrees for the HT it's still in that range. I don't have exact details on HT but it seems to indicate that HT itself requires a few million transistors.
post #158 of 399
please add me...
My i7 system just arrived today....tommorrow will try to post some OC screenshot or some cpu-Z
post #159 of 399
So much for getting the i7 build working tonight. RAM's heatspreaders are too tall and I can't get a fan on the TRUE.
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post #160 of 399
Quote:
Originally Posted by ljason8eg View Post
So much for getting the i7 build working tonight. RAM's heatspreaders are too tall and I can't get a fan on the TRUE.
you going to return the ram then?
    
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i7 920 Evga X58 Classified LE Edition. Sapphire HD 7950 OC Edition Sapphire HD 7950 OC Edition 
RAMHard DriveHard DriveOptical Drive
G skill Ripjaws 12 gb Samsung ssd 120 gb sata III WD Velociraptop 300 gb x 2 LG Blu ray drive 
CoolingCoolingCoolingCooling
EK-FC7950 with EK-7950 Backplate FC8 30 watt per channel Bitspower fittings Feser 360 rad (Push Pull) 
CoolingCoolingCoolingCooling
XSPC 240 rad (Push Pull) Corsair SP 120 mm static x10 Corsair AF 120 mm  Bitspower 250 reservoir 
CoolingCoolingCoolingCooling
Heat killer 3.0 Koolance chipset water block EK-FC7950 with EK-7950 Backplate MCP35X2 with stand 
OSMonitorKeyboardPower
Windows 7 Ultimate Acer 27" x 3 (eyefinity) Logitech G510/CM Storm Mechanical Keyboard Seasonic 1250 watt X series with moddyi Cable set. 
CaseMouseMouse PadAudio
CaseLabs SM8 white ZowieAM Rocketfish Gamecon 780 
Audio
Bose 2.1 
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CPUMotherboardGraphicsGraphics
i7 920 Evga X58 Classified LE Edition. Sapphire HD 7950 OC Edition Sapphire HD 7950 OC Edition 
RAMHard DriveHard DriveOptical Drive
G skill Ripjaws 12 gb Samsung ssd 120 gb sata III WD Velociraptop 300 gb x 2 LG Blu ray drive 
CoolingCoolingCoolingCooling
EK-FC7950 with EK-7950 Backplate FC8 30 watt per channel Bitspower fittings Feser 360 rad (Push Pull) 
CoolingCoolingCoolingCooling
XSPC 240 rad (Push Pull) Corsair SP 120 mm static x10 Corsair AF 120 mm  Bitspower 250 reservoir 
CoolingCoolingCoolingCooling
Heat killer 3.0 Koolance chipset water block EK-FC7950 with EK-7950 Backplate MCP35X2 with stand 
OSMonitorKeyboardPower
Windows 7 Ultimate Acer 27" x 3 (eyefinity) Logitech G510/CM Storm Mechanical Keyboard Seasonic 1250 watt X series with moddyi Cable set. 
CaseMouseMouse PadAudio
CaseLabs SM8 white ZowieAM Rocketfish Gamecon 780 
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