Intel Panther Lake architecture with Celestial Xe3 iGPU has been leaked

Something to look forward to: Intel has already revealed its future CPU roadmap to its Lunar Lake architecture, which is expected to debut next year. However, the company has yet to officially say anything about its plans beyond Lunar Lake, so the latest leak offers an insight into what it has in store for the future.

An Intel engineer seems to have revealed the name and critical details about the company’s 16th-gen Core processor lineup. In the original found by tipster @harukaze5719, the LinkedIn profile of an Intel graphics hardware designer reveals that the Panther Lake processor architecture will follow Lunar Lake and include the Xe3-LPG architecture.

While taking down the post, Tom’s Hardware was able to get a screenshot showing Intel’s entire roadmap for the next few years, including Meteor Lake, Arrow Lake, and Lunar Lake. While Meteor Lake is expected to arrive this year as the successor to Raptor Lake, Arrow Lake and Lunar Lake could debut in 2024, with Panther Lake likely to follow in 2025.

Not much is known about Panther Lake at this point, but we do know that Lunar Lake is specifically designed for light and slim notebooks, meaning Panther Lake could be for consumer desktops.

Intel confirmed last month, LPG and HPG are the two sub-variants of the company’s Xe GPU architecture. While the former will be optimized for integrated GPUs, the latter will find its way to discrete graphics chips. Intel’s Meteor Lake CPUs are expected to be the first to sport iGPUs with the new Xe-LPG GPU architecture, but Arrow Lake is also set to continue with the same technology for its integrated graphics solution.

The LinkedIn post further revealed that the Xe2 will be used in the Lunar Lake lineup and the Battlemage discrete GPUs, while the Xe3 will be part of the Panther Lake and the company’s 3rd-gen discrete GPUs, known as ‘Celestial.’ As for the Xe3-LPG architecture, it is expected to be a scaled-down version of the Celestial Xe3-HPG GPU, but not much is known about it at the moment.

Either way, Panther Lake and Celestial are in the future, and there will likely be more leaks ahead of their launch. In the near term, Intel is expected to launch a Raptor Lake refresh this year along with some Meteor Lake chips and new Arc Alchemist discrete GPUs.

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