Intel's foray into hybrid-core processors could be coming to an end. A job listing posted on LinkedIn shows that the company is hoping to hire a senior CPU verification engineer to join its "Unified Core" team that is based in Austin, Texas. The listing is no longer accepting applications, and it was only live for about three days.
According to the job listing, Intel is hoping to land a new engineer who "will be responsible for driving and executing the functional correctness of CPU logic designs through rigorous pre-silicon verification methodologies."
What's the difference between Unified Cores and Hybrid Cores?
Intel's current hybrid core architecture got its public unveiling in 2021 with the announcement of 12th Gen Alder Lake chips. With Performance cores and Efficient cores, Intel's hybrid approach was very similar to ARM's big.LITTLE architecture.
The Performance cores draw more power and mainly tackle big tasks in the foreground, while the Efficient cores use less power and handle background tasks. In some cases, like for Intel's Xeon lineup mainly used in servers and datacenters, chips were built entirely from Performance or Efficient cores.
Under this architecture, Intel's multi-threaded throughput improved, as did efficiency when handling background tasks. This setup also allowed Intel to boost core counts, which is why something like Intel's Core Ultra 9 285K desktop chip has a whopping 24 cores (8 P cores and 16 E cores) and 24 threads.
Of course, splitting an architecture into Performance and Efficient cores required additional management, which was granted in the form of Intel's Thread Director. It keeps Intel chips humming along with strong multi-threaded power, but it also adds complexity that can sometimes get in the way of demanding tasks like gaming.
A return to a Unified Core setup would solve some of that complexity, and reduced scheduling overhead is always a good thing. With a single unified core type, Intel would also have more room for additions like larger cache, larger NPUs, and larger iGPUs.
AMD does something similar with its Zen 5 and Zen 5c cores, which use the same architecture and have the same IPC, but are tuned up or down depending on what's needed.
What do you think about Intel's potential return to a Unified Core architecture?
Are you looking forward to an Intel Unified Core architecture? Will it help the company compete with AMD's desktop chips? Let me know in the comments section!
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