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October 9, 2018 02:08 pm

Commissioning Misleading Core i9-9900K Benchmarks

On Monday, Intel unveiled the 9th Gen Core i9-9900K, which will rival AMD's Ryzen 2700X when it goes on sale in two weeks. We will soon be reading reviews of the 9th Gen Core i9-9900K, which Intel claims is the "world's best gaming processor," to see how exactly it fares against its AMD counterpart. But as reviewers test the new CPU and comply with an NDA/embargo (non-disclosure agreement) with Intel, which requires them to not share performance data of Intel's new CPU for another few days, surprisingly, one publication has already made a bold claim. In a story published this week, news outlet PCGamesN said, "Intel's Core i9 9900K is up to 50% faster than AMD's Ryzen 7 2700X in games." The publication cites data from an Intel-commissioned report [PDF] by third-party firm Principle Technologies to make the claim. TechSpot explains the issues with this: So Intel can go and publish their own "testing" done suspiciously through a third party ten days before reviews, while reviewers are prohibited from refuting the claims due to the NDA. First bad sign. Scrolling down PCGamesN says the following when looking over Intel's commissioned benchmarks. "But the real point of all this is for Intel to be able to hold out the 9900K as hands down the best gaming processor compared with the AMD competition, and in that it seems to have excelled. On some games, such as Civ 6 and PUBG, the performance delta isn't necessarily that great, but for the most part you're looking at between 30 and 50% higher frame rates from the 9900K versus the 2700X." Right away many of the results looked very suspect to me, having spent countless hours benchmarking both the 2700X and 8700K, I have a good idea of how they compare in a wide range of titles and these results looked very off. Having spotted a few dodgy looking results my next thought was, why is PCGamesN publishing this misleading data and why aren't they not tearing the paid benchmark report apart? Do they simply not know better? Over at the Principled Technologies website you can find the full report which states how they tested and the hardware used. Official memory speeds were used which isn't a particularly big deal, though they have gone out of their way to handicap Ryzen, or at the very least expose its weaknesses. Ryzen doesn't perform that well with fully populated memory DIMMs, two modules is optimal. However timings are also important and they used Corsair Vengeance memory without loading the extreme memory profile or XMP setting, instead they just set the memory frequency to 2933 and left the ridiculously loose default memory timings in place. These loose timings ensure compatibility so systems will boot up, but after that point you need to enable the memory profile. It's misleading to conduct benchmarks without executing this crucial step.

Read more of this story at Slashdot.


Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/Q0Iug5Fb8W4/commissioning-misleading-core-i9-9900k-benchmarks

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