I have the following PC:
Intel Core 2 Duo E6750 CPU
Gigabyte GA-P35-DS3P Motherboard
Evga 8800 GTS 320 MB
Patriot Extreme (4x1GB) DDR2-800 PC2-6400 RAM
I recently overclocked my CPU from 2.66 GHz to 3.2. In the BIOS I changed the "CPU Host Frequency" to 400 (from 333), the "CPU Clock Ratio" remained unchanged at 8x. I changed the "PCI Express Frequency" to 100 (from Auto) and the "System Memory Multiplier" to 2 to keep the memory running at 800 and giving me a 1:1 ratio between CPU and RAM.
MemTest worked with no errors. CPU-z and Rightmark CPU Clock Utility both showed 3.2 GHz. I ran Prime95 for over an hours and did not experience any error and temperatures were 50 C for the CPU and 55 C for both CORES.
But when I ran PCMARK05, my score didn't change much. And when I ran 3DMARK05 my score went from 14912 (prior to CPU overclock) to 6982 and PCMARK06 went from 8634 to 3856.
What did I do wrong? Why are my 3DMARK scores going down. I used the Company of Heroes performance test and confimed my average frames per second decrease from about 40 to 30 with the same setting.
Can someone help me out? Thanks!
Intel Core 2 Duo E6750 CPU
Gigabyte GA-P35-DS3P Motherboard
Evga 8800 GTS 320 MB
Patriot Extreme (4x1GB) DDR2-800 PC2-6400 RAM
I recently overclocked my CPU from 2.66 GHz to 3.2. In the BIOS I changed the "CPU Host Frequency" to 400 (from 333), the "CPU Clock Ratio" remained unchanged at 8x. I changed the "PCI Express Frequency" to 100 (from Auto) and the "System Memory Multiplier" to 2 to keep the memory running at 800 and giving me a 1:1 ratio between CPU and RAM.
MemTest worked with no errors. CPU-z and Rightmark CPU Clock Utility both showed 3.2 GHz. I ran Prime95 for over an hours and did not experience any error and temperatures were 50 C for the CPU and 55 C for both CORES.
But when I ran PCMARK05, my score didn't change much. And when I ran 3DMARK05 my score went from 14912 (prior to CPU overclock) to 6982 and PCMARK06 went from 8634 to 3856.
What did I do wrong? Why are my 3DMARK scores going down. I used the Company of Heroes performance test and confimed my average frames per second decrease from about 40 to 30 with the same setting.
Can someone help me out? Thanks!
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