Griffin Cove and Nova Lake IPC: Intel to Replace E-Cores with P-Cores

Griffin Cove and Nova Lake IPC: Intel to Replace E-Cores with P-Cores

Intel’s CPU plans appear to be ever-changing, based on the latest leaks. So far, it's been revealed that Intel has scrapped Beast Lake, Beast Lake Next, and has also disbanded Jim Keller’s Royal Core initiative. Moreover, there are reports suggesting that Team Blue could launch Panther Lake desktop chips to compete against AMD’s Zen 6 by 2025.

Future Innovations

In a recent update regarding IPC metrics for Nova Lake, Moore’s Law Is Dead indicates that Intel might be developing a groundbreaking CPU architecture set to debut in 2027 or later. The source mentions that Intel is working on Griffin Cove P-cores for a yet-to-be-named architecture expected to arrive in 2027 or beyond. These P-cores might utilize the Intel 14A-P, which is an upgrade of the Intel 14A technology anticipated to commence production in 2026.

Design Changes Ahead

Interestingly, MLID suggests that Intel could adopt a "Unified Core" approach for E-cores, mirroring AMD's strategy. The upcoming CPUs based on Griffin Cove or Griffin-Next might eliminate the distinction between P and E-cores, taking inspiration from Zen 5 and Zen 5c cores. Unlike Intel’s separate P and E-cores, the Zen 5 series features similar architecture with minor changes in the Zen 5c for size reduction. Intel seems to be planning to implement a similar design for its 2027 architecture, moving away from the two distinct core types within a single CPU.

Performance Expectations

On the performance front, MLID speculates that the Griffin Cove P-cores could see a 10-20% IPC increase compared to Nova Lake and its Coyote Cove P-cores. However, since Griffin Cove is still quite a ways off, any talk of “IPC enhancement” should be approached with skepticism. MLID is aware of this uncertainty and cautions in their video that “anything after Nova Lake is NOT finalized”.

In addition, MLID claims a potential IPC boost of 9 to 18% for the Coyote Cove P-cores in Nova Lake, although no numbers are provided for the Arctic Wolf E-cores. The leaker further suggests that Nova Lake might implement the refreshed Intel 18A-P process instead of the previously rumored 14A and TSMC 2 nm.

As we move forward, it remains to be seen what Intel has planned with Nova Lake. In the meantime, we can look forward to the reviews of the Arrow Lake Core Ultra 200 CPUs, which should roll out in the coming years. The end of 2024 is shaping up to be an exciting period for gamers, especially since AMD has announced that the Ryzen 9000X3D will launch next month.

Moore's Law Is Dead on YouTube, Teaser image: Intel, Moore's Law Is Dead, edited.


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