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In English
SuomeksiOverclocking
To establish the overclocking potential of this motherboard I tested it with the two CPUs, which I had in hand. To test the stability of the overclocks, I ran the whole benchmark routine, and if the system crashed during the run, I'd tweak the settings until it ran smoothly.
While overclocking manually, the power-saving features were all turned off, as it often improves stability when on the edge.
Hardware used for the benchmarks:- Processor: Intel Core i5 750 and Intel Core i7 870
- Motherboard: MSI P55-GD80
- Memory: 4GB GSkill Ripjaws DDR3-2000 F3-16000CL9D-4GBRH 9-9-9-27
- Video: Sapphire HD4870 512MB
- Storage: Western Digital 200 GB
- Power Supply: Corsair TX750W
- Chassis: Custom Testbench
- Cooling: Thermalright MUX-120
Intel Core i5 750
Default settings
Here we have some reference screenshots of the motherboard running the i5 750 at default settings. Don't be fooled by the 3.2 GHz reading, as this is the Intel Turbo Boost-feature at work. The feature raises the ratio of a couple of cores when only a certain number of cores are loaded. This means that while the TDP values of the CPU won't be compromised, and the performance will improve considerably.
OC Genie settings
After pressing the OC Genie-button on the motherboard, I was eager to see what the feature had actually done. After getting into Windows, we could see that the system had been overclocked to ~3.14 GHz by raising the Base-clock from 133 MHz to 185 MHz. Besides upping the Base-clock the OC-Genie had disabled the Turbo Boost, and lowered the memory clocks from 1333 Mhz to 1106 MHz.
Disabling the Turbo Boost feature will result in the fact that the CPU, would run at higher speeds when only loaded with a couple of cores when at default settings. This can't but affect the performance in a negative way in the benchmarks which only utilize one or two threads.
Max OC settings
After seeing what the OC Genie could do, it was time for me to try and see what the motherboard and CPU were capable of. In the end I had the CPU running at 3.91 GHz with the memory running at almost specified speeds. No matter what I did, I couldn't get more performance squeezed out of the setup with my time-limits, so I had to settle with a sub-4 GHz results for the i5 750.
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