AMD Phenom X4 9150e & 9350e Review --- TheThirdMedia Hardware

Performance per Watt Comparison

On this page, we aggregated the benchmark results from all our tests on the previous pages to form a composite index for all processors tested. This is only a general comparison and will hold true only if one doesn't have any strong priorities to sway one's decision based on a particular usage model. Of course different people will always have different needs, thus the general comparison would be the most effective for an overview of performance.

We used only one set of results from each of the benchmarks to avoid overweighing any one benchmark. This means if we had multiple benchmark configuration results to show earlier, we chose only the most appropriate configuration that best represents the benchmark's competence. The exception here is SPEC CPU2000 that we have omitted due to an incomplete set of results. Finally, we compared the performance of all the processors against the AMD Phenom X4 9150e processor (which held up the rear of most benchmarks) and aggregated the difference (mostly performance gain) with respect to this processor. While we would love to tabulate all the differences in a table, there are just too many benchmarks and performance figures properly fit within view and to be of meaningful value. Thus, we have axed that and shown you the final composite performance index graph directly. As observed in our individual benchmark results, there's no surprise from the outcome that the Intel Core 2 Duo processors came out tops, as much as over 40% faster (and at a similar price point).

Next, we take the overall aggregated performance results above and divide that by the maximum power consumed by each test system (from the SPECviewperf quad-thread load shown earlier) to get better understanding how the overall performance per watt efficiency pans out for the processors. We then plotted those values against the overall aggregated performance results to get the following graph:-

The new Phenom entrants have better performance-per-watt standings than the higher-end Phenom processors, but they pale against the figures obtained on the Intel contingent. Higher overall performance and better performance-per-watt go to the Core 2 Duo processors and if you step out to compare the Penryn processors that are in a higher priced bracket, they can obtain performance-per-watt figures similar to the Core 2 Duo series and have higher overall performance yet.

To conclude this part of our results findings, the processors compared here are all in the similar price bracket, and it's clear that Intel gives more performance and a higher performance-per-watt ratio.



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