Panther Lake is the codename for Core Ultra Series 3 mobileprocessors developed byIntel.^[1] The architecture was launched in January 2026 atCES 2026.^[2][3] It succeeds and extendsLunar Lake and is designed as a scalable mobile platform spanning a wider range of power and performance targets, from thin-and-light laptops to higher-performance mobile systems.

Panther Lake combines a heterogeneous CPU core tile manufactured on Intel's in-house18A process with an integrated graphics tile based on the Arc X^e3 architecture,^[4] which is derived from the earlier X^e2 (Battlemage) design, and an I/O tile nanufactured on TSMC's N6 process.

The clusters vary in size: The big 4+8+4 core tile is used in the H series, and the small 4+4 core tile is used in the low-power processors. Non-Arc H series CPUs also are the only processors in this lineup to utilize the larger I/O tile, while Arc H series and low-power CPUs use the smaller core tile. Said tiles both support DDR5 and LPDDR5X memory, however, the larger tile has more PCIe lanes, whereas the smaller tile has fewer PCIe lanes. Arc H series CPUs use a binned version of the smaller I/O tile that doesn't support DDR5. There are also smaller GPU tiles which have up to 4 Xe cores, and larger GPU tiles which have up to 12 Xe tiles. The latter being branded and labeled as Arc B390/B370 If the machine using it reaches memory speeds of at least LPDDR5X-7467, otherwise they will be labeled as just Intel Graphics^[5]. Some models with the larger GPU tile continue to rely onTSMC manufacturing for the GPU on its N3E process, possibly due to budget concerns.^[6]

Rather than introducing a fundamentally new CPU or GPU architecture, Panther Lake focuses on higher core counts, better graphics configurations, and increased power budgets enabled by a newer manufacturing node and modular tile-based design

Furthermore, instead of developing a more capable NPU, Intel has opted for an optimized, smaller and more efficient NPU that delivers about the same performance as the previous generation's NPU.

Panther Lake has been widely praised for its power-efficiency and integrated graphics performance, having been noted as a "return to form" for Intel.^[7][8][9]

Panther Lake CPUs omithyper-threading support, so they can run the same number of threads as they have cores.

• List of Intel CPU microarchitectures
• List of Intel Core processors

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