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Benchmark Results: 3DMark 11 And PCMark 7

Windows 8: Double-Checking Performance On Core i7-3770K
By , Achim Roos

The benchmarks that Thomas ran a couple of days ago for his story Windows 8: Does AMD's Bulldozer Architecture Benefit? did not include Futuremark's synthetic PCMark and 3DMark tests. After all, although they're based on real-world Windows applications, there are times where we simply cannot reconcile the numbers we generate with these tests to our application testing.

What PCMark does do, however, is give us a more holistic look at system performance, whereas our application-based metrics generally isolate the CPU. With that in mind, let's have a look at how one machine handles two operating systems.

3DMark 11

For the most part, we see similar performance in both operating systems. The only exception is the Physics sub-test, where Windows 7 surprises us with a win. This benchmark is decidedly threaded, and there really isn't any good reason we can come up with for this difference to exist.

PCMark 7

Again, it's not necessarily clear why the results pan out the way they do, with Windows 8 claiming big leads in the overall benchmark and particularly the Computation sub-test. However, that result (based on a very processor-heavy workload) seems to contradict the 3DMark Physics sub-test (also very CPU-dependent). Could the difference be in PCMark's handling of Quick Sync technology, which we've seen in the past affects this benchmarks results heavily?

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