These chips are based upon AMD’s older Zen 2 architecture, not the latest Zen 3, and the performance difference is notable.
Amid the fanfare over AMD’s new Ryzen 5000 Mobile chips, you might have missed one important detail: Some of the new CPUs use older technology, and it’s hard to tell which ones they are.
The majority of AMD’s Ryzen 5000 Mobile family of chips are built around the company’s Zen 3 architecture—the same architecture underlying the latest Ryzen 5000 desktop processors, which we called the “best consumer CPU we’ve ever seen.”
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https://www.pcworld.com/article/3603212/these-are-the-amd-ryzen-5000-mobile-chips-to-avoid-buying.html
