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Intel Begins Next-Gen Xeon E-Core “Clearwater Forest” CPU Enablement, Uses Darkmont Cores

3dot

27 Jan, 2024

Intel is gearing up for its upcoming E-Core Xeon CPUs, codenamed Clearwater Forest. These processors will feature the new Darkmont core architecture.

Intel's 2nd Gen All E-Core Clearwater Forest Xeon CPUs

Intel is making strides in Linux development, focusing on both graphics and mainstream consumer CPUs. While server processors initially lagged, Intel is catching up by providing early support for Clearwater Forest processors, set to launch in 2025.

Image Source: Kernel.org

According to Phoronix, Intel Linux engineers are actively working on support for Sierra Forest, the predecessor to Clearwater Forest, indicating a continuous effort. The recent patch introduced a new model number for Clearwater Forest Xeon CPUs, designated as "0xDD (221)" in the kernel.

An intriguing addition is the mention of "Atom Darkmont," expected to be the E-core architecture for these chips. These cores are anticipated to be an updated Skymont E-Core design, maintaining the 288 core count and 288 threads seen in Sierra Forest chips based on the Crestmont E-Core architecture, codenamed Sierra Glen.

Though details about the Clearwater Forest lineup are currently limited, it's known to feature Intel's 18A process. This process promises refinements to the RibbonFET technology, aiming to achieve a significant improvement in transistor and chip performance. While substantial performance gains are anticipated, the processors are scheduled for launch in 2025, leaving much more to be revealed in the coming years.

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