Intel "Panther Lake" Frequencies Leak, 16-Core SKU Hits 5.1 GHz

Intel "Panther Lake" Frequencies Leak: 16-Core Processor Reaches 5.1 GHz

At the beginning of last month, Intel unveiled its new "Panther Lake" line of mobile processors. These chips feature up to 16 CPU cores divided into four performance cores (P-Cores), eight efficiency cores (E-Cores), and a four-core low-power efficiency cluster (LPE).

According to well-known leaker @jaykihn0, details about the clock frequencies of these CPUs have surfaced. The flagship model, the Core Ultra X9 388H, reportedly achieves a turbo boost frequency of up to 5.1 GHz. This performance is noteworthy, considering the integration of 16 CPU cores and 12 Xe3 GPU cores, though GPU frequencies have not yet been disclosed.

The top configurations are believed to operate at 65 W or even 80 W TDP, depending on OEM choices. Standard configurations (PTH-H and PTL-U) are expected to stay within a 25 W TDP range.

Available Model Specifications

Intel "Panther Lake" CPUs feature a 16-core design with turbo frequencies hitting up to 5.1 GHz.

Author’s Summary

Intel’s upcoming "Panther Lake" mobile CPUs showcase 16-core hybrid design efficiency and high performance, reaching up to 5.1 GHz in the flagship model.

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TechPowerUp TechPowerUp — 2025-11-06

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