Intel confirms “Unified Core” plans with CPU Job Listing

Is Intel’s future “Unified”?

A new job listing from Intel is calling for a new CPU verification engineer for the company’s “Unified Core team”, pointing towards a new direction for Intel’s future processors. Last year, we reported on a leak that claimed that Intel intended to create new CPUs with a “Unified Core” architecture. This leak claimed that Intel planned to move away from its hybrid P-core/E-core design philosophy and towards something new.

While Intel has not confirmed what its “Unified Core” project is, the fact that it has been mentioned in prior leaks suggests that these leaks are accurate. If so, the company plans to release processors with its Unified Core design under the “Titan Lake” name. Titan Lake reportedly follows Razor Lake, which is Intel’s planned successor to Nova Lake.

Are we saying goodbye to P-cores and E-cores?

As it stands, nobody knows what Intel’s “Unified Core” concept is. While earlier rumours claimed that Intel’s Unified cores are based on its E-core designs, it is unclear whether Intel plans to completely abandon its hybrid-core approach. While traditional P-cores and E-cores may vanish, the idea of different core designs may not.

Remember that AMD has its Zen and Zen c CPU cores. Both share the same underlying architectures. Their only differences are core density, clock speeds, and cache sizes. Both core designs support the same features, with Zen (standard) cores optimised for performance, while Zen c cores are designed to be more dense and power-efficient. Right now, Intel’s P-cores and E-cores use entirely different core architectures. That means that Intel needs to design several CPU core architectures for its CPUs.

With their “Unified Core” design, Intel may not be planning to release CPUs with “Only P-cores” or “Only E-cores”. Intel may be unifying their core designs under a single architecture. While there may be “big” and “small” cores, they could still use the same underlying architecture. However, it is also possible that Intel plans to simply release processors with a singular type of CPU cores.

(Intel Job Listing)

Is Intel’s “Unified Core” concept a good idea?

There’s no reason why Intel can’t create a CPU core that’s both performant and efficient. While Intel’s P-cores are designed to deliver higher levels of performance, E-cores do not guarantee higher levels of power efficiency. A big core can be power-efficient. Honestly, the biggest perk of Intel’s E-core designs is their spatial efficiency, not their power efficiency. E-cores take up much less space than P-cores, so much so that a single Raptor Lake P-core takes up roughly the same amount of space as four E-cores. Four E-cores can deliver more multi-threaded performance than a single P-core. That factor alone is a big reason why Intel has invested in E-cores.

If Intel can create a “Unified Core” that is compact and performant, Intel will be able to deliver incredibly high levels of single-threaded and multi-threaded performance. It will also eliminate the complexity of migrating most workloads between CPU core architectures. Core allocation can be based on factors like clock speeds alone, instead of considering architecture, clock speed, and power.

Ultimately, we know nothing concrete about Intel’s “Unified Core” plans. We don’t expect to learn more about these plans anytime soon. After all, if “Unified Core” leaks are to be believed, Intel has no plans to release processors with these new cores anytime soon. Intel claims that Nova Lake is launching later this year. If the rumours are true, we will see Razor Lake after that, followed by Titan Lake. Titan Lake is reportedly the first CPU architecture with Intel’s Unified Cores. Don’t expect to see those CPUs before 2028, if not 2029.

You can join the discussion on Intel’s “Unified Core” CPU plans on the OC3D Forums.