Ryzen rumours: Zen 5 to use Alder Lake-style hybrid architecture, Zen 3+ cancelled due to significant chip shortage

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With AMD flying high after another record-breaking fifth, the gossip mill has turned to the company’s upcoming Zen goods. The Zen 5 processor is of special interest because team red may follow Intel’s lead by adding a big.LITTLE architecture to its desktop CPUs. We’ve also learned that a chip shortage could lead to the cancellation of the Zen 3+.

Intel’s Alder Lake processors, which will be available in the second half of this year, will carry to desktop x86 PCs a mix of larger high-performance cores and smaller high-efficiency cores. Raptor Lake, which will also use the LGA 1700 socket in 2022, will have the same architecture.

According to MoePC, the Zen 5 Ryzen 8000 series CPUs will also have a hybrid design. The processors, codenamed Strix Point, will reportedly include at least one SKU with eight large Zen 5 cores made on TSMC’s 3nm process and four unspecified smaller cores.

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TSMC is currently on schedule for testing 3nm in 2021 and mass production in 2022, so it won’t be untested when Zen 5 uses the process for its release in 2024. The semiconductor giant said 3nm offers 25% to 30% less power consumption, 10% to 15% more performance, and a 1.7x increase in transistor density compared to 5nm.

The article also repeats recent reports that AMD’s Zen 3+ refresh, codenamed Warhol, has been canceled due to the nightmarish chip shortage crisis. Set to use TSMC’s 6nm process, Zen 3+ has disappeared from some AMD roadmaps, so this could be more than just a rumor. The 5nm-based Zen 4, meanwhile, is expected to launch in late 2022 or early 2023.

Earlier this week, AMD reported another record quarter as its revenue jumped 93% to $3.45 billion.


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