Detailed specifications of Alder Lake-S Core i9-12900K and more SKUs reportedly leak

The alleged specifications of the upcoming Intel 12th gen desktop processors dubbed Alder Lake-S have leaked today, courtesy of '我用第三人称', a user on the Chinese Q&A website Zhihu. The new leak expands on some of the details we came to know earlier where the upcoming Alder Lake-S flagship 16-core, 24-thread (16C/24T) Core i9-12900K was outscoring the current AMD mainstream flagship Ryzen 9 5950X in the Cinebench R20 multi-core test.

For example, in the earlier report, it was mentioned that the i9-12900K is able to turbo up to 5.3GHz on a single thread on the larger Golden Cove cores. This has been slightly altered in today's leak which now mentions this speed is applicable to a couple of cores/threads. So while we are only speculating, it might be possible that the single-core turbo goes even higher. The all-core turbo has been stated to be 5GHz. For those unaware, the Core i9-12900K is rumored to feature eight "Bigger" Golden Cove cores and eight "Big" Gracemont cores for an (8+8) configuration.

Alleged specs of Alder Lake-S SKUs

Note here that the larger Golden Cove cores have been indicated by "P-Core" likely standing for 'performance core'. On the other hand, the "E-core" probably means 'efficiency core' and that's indicating the smaller Gracemont cores. Specifications of some of the other purported Alder Lake-S SKUs, namely the 12C/20T Core i7-12700K (8+4) and the 10C/16T Core i5-12600K (6+4), have also been provided.

Thanks to the addition of the smaller Gracemont cores, it seems Intel has been able to reduce the boost TDP (PL2) of the Alder Lake-S parts from 250W in Rocket Lake-S down to 228W.

Source and image: 我用第三人称 (Zhihu)

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