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i7 3770k vcore using prime95 27.9 with AVX instruction set

post #1 of 4
Thread Starter 
Hi all, is it normal for my 4.7ghz i7 3770k to require extra voltage when running prime95 27.9 AVX custom 90% ram? AVX tops at 1.304v before settling at 1.288v whilst non-avx prime95 custom 90% ram needs only 1..272-1.280v. The system has been rock solid for a month (witcher 2, Skyrim, enciding videos, etc) without a single WHEA error or BSOD so I'm more than happy. I'm just trying to determine my maximum vcore with a view to possibly lower it. Any help is much appreciated.

madforit96
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Silent Beast
(14 items)
 
Secondary PC
(14 items)
 
 
CPUMotherboardGraphicsRAM
i7 3770k 4.7ghz @1.280v Asus Maximus V Gene Gainward Phantom GTX 670 2GB G.Skill TridentX 2400 10-12-12-31 16GB 
Hard DriveOptical DriveCoolingOS
Samsung 830 256GB Pioneer BDR-208DBK Custom water cooling Windows 7 Ultimate x64 
MonitorKeyboardPowerCase
LG IPS235V 23" Microsoft Sidewinder x6 Corsair AX750 Xigmatek Elysium 
MouseAudio
Logitech G400 Asus Xonar DX 
CPUMotherboardGraphicsRAM
i5 4670k MSI Z87I EVGA GTX560ti SC Corsair Vengeance 2133 11-11-11-30 8GB 
Hard DriveOptical DriveCoolingOS
Crucial M4 128GB SSD Samsung SH-224 DVD writer Corsair Hydro H50 Windows 7 Ultimate x64 
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Samsung 40" LCD HDTV Logitech M270 wireless Corsair RM750 Corsair 350D (solid panel) 
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Logitech M270 wireless Onboard 
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post #2 of 4
I would say that your results and observations are very much normal and are so expected. If you take a look at CPUZ the line that states "instructions" you will notice that your processor runs AVX instructions, right? If an application apparently has those avx instructions coded into it and you have used a non-avx prime, what do you think will happen to your system once the avx instruction app starts making extreme requests to your processors resources?.... That should answer your question
post #3 of 4
Thread Starter 
Quote:
Originally Posted by TLM-610 View Post

I would say that your results and observations are very much normal and are so expected. If you take a look at CPUZ the line that states "instructions" you will notice that your processor runs AVX instructions, right? If an application apparently has those avx instructions coded into it and you have used a non-avx prime, what do you think will happen to your system once the avx instruction app starts making extreme requests to your processors resources?.... That should answer your question

Thanks for the reply. So common programs don't push the processor as hard as avx coded ones and therefore demand less juice...makes sense now. Repped for answering my first poser.
Silent Beast
(14 items)
 
Secondary PC
(14 items)
 
 
CPUMotherboardGraphicsRAM
i7 3770k 4.7ghz @1.280v Asus Maximus V Gene Gainward Phantom GTX 670 2GB G.Skill TridentX 2400 10-12-12-31 16GB 
Hard DriveOptical DriveCoolingOS
Samsung 830 256GB Pioneer BDR-208DBK Custom water cooling Windows 7 Ultimate x64 
MonitorKeyboardPowerCase
LG IPS235V 23" Microsoft Sidewinder x6 Corsair AX750 Xigmatek Elysium 
MouseAudio
Logitech G400 Asus Xonar DX 
CPUMotherboardGraphicsRAM
i5 4670k MSI Z87I EVGA GTX560ti SC Corsair Vengeance 2133 11-11-11-30 8GB 
Hard DriveOptical DriveCoolingOS
Crucial M4 128GB SSD Samsung SH-224 DVD writer Corsair Hydro H50 Windows 7 Ultimate x64 
MonitorKeyboardPowerCase
Samsung 40" LCD HDTV Logitech M270 wireless Corsair RM750 Corsair 350D (solid panel) 
MouseAudio
Logitech M270 wireless Onboard 
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Reply
Silent Beast
(14 items)
 
Secondary PC
(14 items)
 
 
CPUMotherboardGraphicsRAM
i7 3770k 4.7ghz @1.280v Asus Maximus V Gene Gainward Phantom GTX 670 2GB G.Skill TridentX 2400 10-12-12-31 16GB 
Hard DriveOptical DriveCoolingOS
Samsung 830 256GB Pioneer BDR-208DBK Custom water cooling Windows 7 Ultimate x64 
MonitorKeyboardPowerCase
LG IPS235V 23" Microsoft Sidewinder x6 Corsair AX750 Xigmatek Elysium 
MouseAudio
Logitech G400 Asus Xonar DX 
CPUMotherboardGraphicsRAM
i5 4670k MSI Z87I EVGA GTX560ti SC Corsair Vengeance 2133 11-11-11-30 8GB 
Hard DriveOptical DriveCoolingOS
Crucial M4 128GB SSD Samsung SH-224 DVD writer Corsair Hydro H50 Windows 7 Ultimate x64 
MonitorKeyboardPowerCase
Samsung 40" LCD HDTV Logitech M270 wireless Corsair RM750 Corsair 350D (solid panel) 
MouseAudio
Logitech M270 wireless Onboard 
  hide details  
Reply
post #4 of 4
Quote:
Originally Posted by madforit96 View Post

Thanks for the reply. So common programs don't push the processor as hard as avx coded ones and therefore demand less juice...makes sense now. Repped for answering my first poser.

Thnx! Will be glad to help you out anytime
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