With any system you will want to see a combination of synthetic testing and real-world. Synthetics give you a static, easily repeatable testing method that can be compared across multiple platforms. For our synthetic tests we use Everest Ultimate, Sisoft Sandra, FutureMark's 3DMark Vantage and PCMark Vantage, Cinebench as well as HyperPi. Each of these covers a different aspect of performance or a different angle of a certain type of performance.
Memory is a big part of current system performance. In most systems slow or flakey memory performance will impact almost every type of application you run. To test memory we use a combination of Sisoft Sandra, Everest and HyperPi 0.99.
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Hmmm, well it is no secret that AMD CPUs have pretty much lost the memory bandwidth crown for the present. I am not saying that they cannot recover it, but let's take a look at things here.
The X6 1090T at 3.981GHz cannot match the stock speeds of some of the Intel CPUs. This means that most AMD boards will have a similar issue. As far as AMD boards go, well, the ASUS is performing at the upper edge of the window.
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Everest Ultimate is a suite of tests and utilities that can be used for system diagnostics and testing. For our purposes here we use their memory bandwidth test and see what the theoretical performance is.
Stock Memory Performance
Overclocked Memory Performance
The Everest numbers tell a similar story, but we do see that the overall latency is lower than a typical Intel system.
Version and / or Patch Used: 0.99
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HyperPi is a front end for SuperPi that allows for multiple concurrent instances of SuperPi to be run on each core recognized by the system. It is very dependent on CPU to memory to HDD speed. The faster these components, the faster it is able to figure out the number Pi to the selected length.
For our testing we use the 32M run. This means that each of the four physical and four logical cores for the i7 and the four physical cores of the i5 is trying to calculate the number Pi out to 32 million decimal places. Each "run" is a comparative to ensure accuracy and any stability or performance issues in the loop mentioned above will cause errors in calculation.
Here we see a direct result of the poor memory performance coupled with the smaller amounts of cache. Unfortunately it translates over to the motherboard. Still, we have to say that as far as AMD based 8xx chipsets go, the Crosshair IV Formula does pretty good.
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