AMD investigates gaming performance issues on Ryzen 7000 • The Register

AMD is investigating reports of “unexpected” performance fluctuations in the company’s new Ryzen 7000 processors for certain games.

In a recent advisory, the Ryzen designer said he will work with game developers and other component vendors to iron out the issues surrounding some games running slower on Ryzen 7000 chips that have two core complex dies (CCDs ) have as such with one.

Twitter user CapFrameX, for examplefound out that the Ryzen 9 7950X could run Metro Exodus faster with one deactivated CCD compared to activated two CCDs, as if they were ready for immediate use.

While the problems may come as a surprise to users, AMD said they weren’t exceptional, explaining that there are many factors in both hardware and software that could be the culprits.

“Many factors affect gaming performance, including game engine, CPU architecture, GPU selection, and memory selection. When new architectures come out, we often see performance anomalies that need to be addressed by the component vendor or game publisher.”

AMD said it’s common for the company to address performance anomalies since the launch of Ryzen processors in 2017 whenever reports come in.

But AMD may not always agree that there is a problem.

In the same advisory, the semiconductor company said it’s also seen reports of performance differences between Windows 11 and Windows 10 for some games. Based on recent testing, the company said it didn’t see any “significant difference” in performance between operating systems.

You may recall that AMD’s Zen-based processors had performance issues when Windows 11 was fresh a year ago, and that it fixed them with a firmware update earlier this year.

AMD released the Ryzen 7000 series in late August, making them the first 5nm CPUs for desktop PCs. Like previous generations, these processors use a chiplet architecture consisting of one or two CCDs, each with six or eight CPU cores. This allows the new chips to pack up to 16 cores, which in this case would be the Ryzen 9 7950X.

While these performance issues are seen as commonplace by AMD, the company must do what it can to shore up its slumping PC business, which saw revenue fall 40 percent in the third quarter amid a slowdown in the market. ® AMD investigates gaming performance issues on Ryzen 7000 • The Register

Rick Schindler

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