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9 9 9 24 1t @ 1866mhz vs 9 9 9 24 2t @ 2000mhz


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When you are up in the rarefied air of system speed that you are, the differences in actual program use becomes a diminishing return. Much money spent on differences that are not that marked. I would go with the 1T over 2T for "Snappiness" over "Theoretical Bandwidth" with a good enthusiast system.

 

You however, have 2 X GTX 295 in SLi and now one has to look at the possibility of bandwidth saturation when gaming. You need to test your system, but I personally would go with the 2000Mhz on your system.

 

What voltage is your QPI set to? Please post your BIOS settings using this template.

 

AI overclock - Manual
OC from CPU level Up - ___________
OC from Memory level Up - ___________
AI Overclock Tuner - Manual
CPU Ratio setting - ___________

CPU Configuration
CPU Ratio Setting - ___________
C1E Support - ___________
Hardware Prefetcher - ___________
Adjacent Cache Line Prefetcher - ___________
Intel Virtualization Tech - ___________
CPU TM Function - ___________
Execute Disabled bit - ___________
Intel HT Technology - ___________
Active Processor Cores - All
A20M - Enable
Intel Speedstep Tech - ___________
Intel Turbo Mode tech - ___________
Intel C-STATE tech - ___________
BCLK Frequency - ___________
PCIE Frequency - ___________
DRAM Frequency - ___________
UCLK Frequency - ___________
QPI Frequency - ___________

Dram timing control: 

1st Information x-x-x-x-x-x-x-x-x-x
DRAM CAS# Latency - ___________
DRAM RAS# to CAS# Delay - ___________
DRAM RAS# PRE Time - ___________
DRAM RAS# ACT Time - ___________
All the Rest to Auto

EPU II Phase Control - ___________
Load-line Calibration - ___________
CPU Differential Amplitude - ___________
Extreme OV - Disabled

Voltages

Cpu Voltage - ___________
CPU PLL Voltage - ___________
QPI-Dram Voltage - ___________

IOH Voltage - ___________
IOH PCIE Voltage - ___________
ICH Voltage - ___________
ICH PCIE Voltage - ___________

DRAM Bus Voltage - 
DRAM REF Voltage - ___________

CPU Spread Spectrum - ___________
PCIE Spectrum - ___________
CPU Clock Skew - Auto
IOH Slock Skew - Auto

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