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P8P67 vs. P8P67 Pro - Page 2

post #11 of 14
Thread Starter 
Quote:
Originally Posted by Electroneng View Post
This is not exactly the truth. Such items such as Vdroop on boards matter significantly!

Up to 4.6Ghz they are similiar. Beyond that, the differences appear.
Are you saying that above 4.6 the pro behaves differently?
post #12 of 14
Quote:
Originally Posted by rp1 View Post
Are you saying that above 4.6 the pro behaves differently?
Sorry for the confusion. Both these boards will perform the same.

I was just replying to the statement that all P67 boards will overclock the same.

Some examples are the Gigabyte P67A-UD3 and Asus P8P67 LE boards. These boards have reduced power phases and a higher Vdroop that is not well controlled by LLC. This results in the requirement that a much higher Vcore voltage be set in Bios.

An example: A 2500K requires 1.44V to run at 4.9Ghz. Because of Vdroop, The Vcore has to be set to 1.53V (even with LLC) to maintain 1.44V under load. A board with less Vdroop, such as the P8P67 Pro, requires only a 1.46v setting to maintain a loaded 1.44v with LLC on. If you set the Vcore to 1.53v on this board, you may be able to run 5.2Ghz.
The Machine
(14 items)
 
  
CPUMotherboardGraphicsRAM
I7-3930K @ 4.7Ghz 1.34v ASUS X79 Sabertooth  MSI GTX 780 G-Skill Snipers 1900 mhz 16gb 
Hard DriveOptical DriveCoolingOS
Crucial M4 64Gb boot, WD Caviar Black 1TB LG Blue-ray Noctua NH-D14 2011(Yate Loon -P14-Yate Loon) Windows 7 Ultimate 64bit 
MonitorPowerCase
Acer HN274H 1080P 120Hz Corsair HX850 CM HAF 912 (Modded) 
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The Machine
(14 items)
 
  
CPUMotherboardGraphicsRAM
I7-3930K @ 4.7Ghz 1.34v ASUS X79 Sabertooth  MSI GTX 780 G-Skill Snipers 1900 mhz 16gb 
Hard DriveOptical DriveCoolingOS
Crucial M4 64Gb boot, WD Caviar Black 1TB LG Blue-ray Noctua NH-D14 2011(Yate Loon -P14-Yate Loon) Windows 7 Ultimate 64bit 
MonitorPowerCase
Acer HN274H 1080P 120Hz Corsair HX850 CM HAF 912 (Modded) 
  hide details  
Reply
post #13 of 14
Thread Starter 
Quote:
Originally Posted by Electroneng View Post
Sorry for the confusion. Both these boards will perform the same.

I was just replying to the statement that all P67 boards will overclock the same.

Some examples are the Gigabyte P67A-UD3 and Asus P8P67 LE boards. These boards have reduced power phases and a higher Vdroop that is not well controlled by LLC. This results in the requirement that a much higher Vcore voltage be set in Bios.

An example: A 2500K requires 1.44V to run at 4.9Ghz. Because of Vdroop, The Vcore has to be set to 1.53V (even with LLC) to maintain 1.44V under load. A board with less Vdroop, such as the P8P67 Pro, requires only a 1.46v setting to maintain a loaded 1.44v with LLC on. If you set the Vcore to 1.53v on this board, you may be able to run 5.2Ghz.
Now I get it! Thanks a bunch!
post #14 of 14
I own the vanilla P8P67, given the choice i'd upgrade to the pro. 16-8 instead of 16-4 PCI-E slots, Intel LAN (not realtek), etc.
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