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i7 3930K 5 ghz prime95 test - Page 3

post #21 of 89
Quote:
Originally Posted by hcn View Post

So 4.6GHz, 1.375V, prime core temps in 50s is only on WC, without TEC ? In other words that are temps with 2 x 480 and 360 rad?[/quote]

Yes, that's right. That's with ambient of 25-27C. Apogee XT water block and D5 pump. smile.gif
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post #22 of 89
Thread Starter 
That's nice. Currently experimenting with 5 ghz clock on LLC medium and offset for Vcore and x50 multiplier. Running p95 almost 3 hours and so far good. Ambient temp 26 C, max CPU temp 60 C and max core temp 82 C ( just one core ). Also reduced pwm settings regarding power phase control. I also consider getting 420 rad and maybe better cpu block in attempt to reduce core temp for 3-5 C, if possible.
Edited by hcn - 6/6/12 at 2:17pm
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post #23 of 89
Quote:
Originally Posted by hcn View Post

That's nice. Currently experimenting with 5 ghz clock on LLC medium and offset for Vcore and x50 multiplier. Running p95 almost 3 hours and so far good. Ambient temp 26 C, max CPU temp 60 C and max core temp 82 C ( just one core ). Also reduced pwm settings regarding power phase control. I also consider getting 420 rad and maybe better cpu block in attempt to reduce core temp for 3-5 C, if possible.

Again 5GHz is awesome! Your temps are OK. 82C is a bit high on that core, so don't run prime95 for too long.
Reducing pwm setting is a good move. I don't really think they have much impact on OC frequency. Higher settings do generate much more heat around the CPU.
Getting more rad? Seriously that will make no difference since you already have 10x120mm thumb.gif You could add a pump though.
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post #24 of 89
Thread Starter 
The idea is to reduce the total number of radiators in a way that I remove 2x 360 radiators and replace them with 420 radiator. Total area of the radiator surface will not be reduced significantly, and I hope neither the thermal performance of new combination ( simulation with martin pump/rad optimizer ). So i would keep that UT60 360 rad and add Alphacool NexXxoS UT60 Full Copper 420mm rad. The remaining free space i would use for better case air ventilation, especially around cpu area. What is the advantage of additional pump in terms of thermal efficiency? What thermal benefit could i expect? From better flow, less restriction, efficient heat exchange ? Thanks for the replay
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post #25 of 89
Temps and volts are high for my liking... 500w for prime?! Uh....
 
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post #26 of 89
Thread Starter 
Well, it's OC - with all risk in package biggrin.gif . For some worth, others not.
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X6 3930K
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Hitachi  Alphacool NexXxos XP3 CPU Water Block 140.3 & 2 x 120.3 & 120.1 radiators EK 7950 GPU block + EK x79 MOSFET block 
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Laing DDC 1T plus pump x 2 7 x64 Ultimate SP1, SBS 2011, Server 2008R2 Corsair AX850 Xigmatek Elysium 
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post #27 of 89
Curious what cpu block you guys are using?

I'm thinking about doing a 2011 cpu setup but haven't decided yet.. I've done SB and IB and looking for something different.
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post #28 of 89
I'm still just using my RASA block...
 
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PMP-500 XSPC EX480, EX360, EX120 XSPC Raystorm CPU EK Advanced 250mL Res 
CoolingCoolingCoolingOS
Lampron FC-5V2 Copper Tubing w/ push fittings XSPC GTX680 Water Blocks Windows 8 Professional 
MonitorMonitorKeyboardPower
2x Dell 2007fp Dell 3007wfp Leopold Otaku Corsair AX1200 
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RAMHard DriveHard DriveCooling
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CoolingCoolingCoolingCooling
PMP-500 XSPC EX480, EX360, EX120 XSPC Raystorm CPU EK Advanced 250mL Res 
CoolingCoolingCoolingOS
Lampron FC-5V2 Copper Tubing w/ push fittings XSPC GTX680 Water Blocks Windows 8 Professional 
MonitorMonitorKeyboardPower
2x Dell 2007fp Dell 3007wfp Leopold Otaku Corsair AX1200 
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post #29 of 89
Thread Starter 
Me too
X6 3930K
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i7 3930K ( 5 ghz 24/7 ) Asus Rampage 4 Extreme XFX ATI HD 7950 CE Corsair Vengeance  
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Hitachi  Alphacool NexXxos XP3 CPU Water Block 140.3 & 2 x 120.3 & 120.1 radiators EK 7950 GPU block + EK x79 MOSFET block 
CoolingOSPowerCase
Laing DDC 1T plus pump x 2 7 x64 Ultimate SP1, SBS 2011, Server 2008R2 Corsair AX850 Xigmatek Elysium 
  hide details  
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X6 3930K
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CPUMotherboardGraphicsRAM
i7 3930K ( 5 ghz 24/7 ) Asus Rampage 4 Extreme XFX ATI HD 7950 CE Corsair Vengeance  
Hard DriveCoolingCoolingCooling
Hitachi  Alphacool NexXxos XP3 CPU Water Block 140.3 & 2 x 120.3 & 120.1 radiators EK 7950 GPU block + EK x79 MOSFET block 
CoolingOSPowerCase
Laing DDC 1T plus pump x 2 7 x64 Ultimate SP1, SBS 2011, Server 2008R2 Corsair AX850 Xigmatek Elysium 
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post #30 of 89
XSPC Raystorm, and now an Apogee HD.

I'm testing out a new OC right now, I haven't been able to get anything above 4.8 100% stable using the offset mode for vcore.

Now I'm trying out a different approach. Using the 125 strap and then dropping the BCLK down to ~114 MHz. So far looking good at 4.8 and 1.344V on load (1.385 in BIOS) with medium LLC.

Not an original idea I know, I saw JediJaxrf using it during the folding challenge. Seems to be alot more stable or maybe it's just my particular chip likes it.
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