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The only series 5000 cpu's that are still using Zen2 architecture are apparently the 5300U, 5500U and 5700U, which all use socket FP6 (mobile/embedded).

So I'm guessing it shouldn't affect any of the more recent and very popular Zen3 cpus like the 5600, 5700 etc. I personally own a 5600, which are a great bang for buck.

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Lucienne (5700U/5500U/5300U) are the only Zen2s in the 5000 series at present (afaik), but AMD continues to re-use the Zen2 architecture in the 7000 series (7520U, etc), as well as many semicustom products like Steam Deck.

It's in rather a sweet-spot as far as performance-power-area, so this isn't entirely a bad thing. Zen3's main innovation was unifying the CCXs/caches, but if you only have a 4C, or you want to be able to power-gate a CCX (and its attendant IF links/caches) down entirely, Zen2 does that better, and it's slightly smaller. We'll be seeing Zen2 products for years to come, most likely.

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