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.
Stock memory performance leaves a lot to be desired. We see the P7F7-E at the bottom of the list, even at 1333MHz. We did see good performance when we overclocked the CPU, though. The poor memory showing could impact video editing and 3D animation later in the review.
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.
Everest shows the same thing with the memory performance here. It could be the extra RAM slots that are causing the issue, but it could also be that the Xeon is looking for the ECC feature as well.
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.
With the extra load on each CPU core, it is not surprising that we see the Xeons at the bottom here. After all, they are having to handle two 32M super pie runs per core. When you look at it that way, the performance we see here is not too bad.
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