Intel confirms: Xeon 'Clearwater Forest' CPU series will feature Darkmont-based E-Cores

Intel provides updates on its next-gen Xeon 'Sierra Forest' and 'Clearwater Forest' CPUs: new E-core design based on Darkmont CPU architecture.

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Intel has just pushed out some new updates for the Linux kernel, which take care of the new Xeon "Sierra Forest" and "Clearwater Forest" CPUs, and now we have some more details on the all-E-Core CPUs.

Intel confirms: Xeon 'Clearwater Forest' CPU series will feature Darkmont-based E-Cores 71

The next-gen Intel Xeon "Sierra Forest" CPUs are expected to launch later on in 2024, while "Clearwater Forest" won't show its head until sometime in 2025, with both of them featuring their first basic patches that add model numbers. The new patches confirm something that was leaked: Intel will be using Darkmont E-Cores for "Clearwater Forest," while "Sierra Forest" and "Grand Ridge" both use Crestmont-based cores.

Phoronix reports that these new patches were labeled "urgent" and should roll out in perfect timing for Linux 3.8 kernel merge windows, showing that Intel is beginning its journey with its new Xeon "Sierra Forest" and "Clearwater Forest" processors, with more patches expected in the future. The new Linux 6.8 kernel has just reached the RC stage (Release Candidate), while the final version should hit sometime in March 2024.

Intel's next-gen Xeon "Clearwater Forest" with Darkmont E-Cores (source: Phoronix)

Intel's next-gen Xeon "Clearwater Forest" with Darkmont E-Cores (source: Phoronix)

Intel will be following in AMD's dominant server CPU footsteps with its next-gen Xeon CPUs, with an all-Efficient core configuration that'll see up to 288 E-Cores on Intel's next-gen Xeon "Clearwater Forest" processor, with each of the 288 cores based on the new Darkmont architecture.

Intel's near Clearwater Forest CPUs will use Intel's new Atom Darkmont cores, where we should see the company use its in-house Intel 18A process node. Sierra Forest is first and will be Intel's first all-E-Core CPU, expected in the summer. Intel's in-house open-source Linux software engineers have been carefully laying the groundwork for Sierra Forest, with hardware support in the OS and various open-source projects.

Intel confirms: Xeon 'Clearwater Forest' CPU series will feature Darkmont-based E-Cores 72

Intel's new Xeon "Sierra Forest" CPU will have up to 288 E-Cores, the same E-Core count as "Clearwater Forest" but the latter will use Darkmont cores.

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Anthony joined the TweakTown team in 2010 and has since reviewed 100s of graphics cards. Anthony is a long time PC enthusiast with a passion of hate for games built around consoles. FPS gaming since the pre-Quake days, where you were insulted if you used a mouse to aim, he has been addicted to gaming and hardware ever since. Working in IT retail for 10 years gave him great experience with custom-built PCs. His addiction to GPU tech is unwavering and has recently taken a keen interest in artificial intelligence (AI) hardware.

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