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AMD delays its Ryzen 9000 launch due to unspecified quality issue — new launch in August; chipmaker pulls back all units shipped globally for quality checks (www.tomshardware.com)

submitted 4 months ago by floofloof@lemmy.ca to c/technology@lemmy.world

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[–] hohoho@lemmy.world 2 points 4 months ago (2 children)

I’ve been following the Intel story closely. Watched the Gamers Nexus vids. Did I miss it or has it been reported that microcode updates will definitely degrade performance?

[–] bossjack@lemmy.world 8 points 4 months ago (1 children)

It's not confirmed. Its just pessimism, albeit very well argued and precedented.

[–] sugar_in_your_tea@sh.itjust.works 6 points 4 months ago

Yup, the "fix" seems to be to limit boost to 5.3GHz or so, and there may be other mitigations as well. If it has anything to do with branch prediction or other eager optimizations, we could see further degradations like with the fixes for Spectre and other attacks.

[–] Linkerbaan@lemmy.world 1 points 4 months ago

Voltages are probably too high. With lower voltages they very likely won't be able to hit the same clockspeeds.