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Tom’s Hardware
Tom’s Hardware
Technology
Aaron Klotz

Next-gen Intel Core Ultra 300 CPU specs reportedly leaked — Panther Lake-H could feature up to 18 cores and 12 Xe3 Celestial GPU cores

Alder Lake.

Panther Lake is the codename for Intel's upcoming third generation of Core Ultra mobile processors, which will succeed Lunar Lake. Resident hardware leaker Jaykihn on X shared a list of five potential Panther Lake SKUs that Intel is purportedly producing for its next-generation mobile lineup.

Panther Lake, which will be produced on Intel's 18A process node, reportedly has Cougar Cove P-Cores, Skymont E-Cores, and Xe3 (Celestial) integrated graphics. Cougar Cove is entirely new, while Skymont is an optimization of the variant currently used inside Intel's recently announced Lunar Lake chips. Meanwhile, Xe3 is the follow-up for Xe2 (Battlemage) in Lunar Lake. All five SKUs from Jaykihn are Panther Lake-H parts, representing Panther Lake's high-performance configuration. Some had previously surfaced in Coreboot.

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