9/4/2026
Open Source Report

Xiaomi: New CPU matches Apple cores single threaded, much faster multithreaded

Filed by Patch Reyes
Xiaomi: New CPU matches Apple cores single threaded, much faster multithreaded
Daniel Lemire's bench tweet claims Xiaomi's new silicon matches Apple's custom cores in single-threaded grunt while stomping them in multi-threaded workloads—a sentence that would've gotten you laughed out of a chip conference five years ago. The post racked up 856 points and over 600 comments on Hacker News, which tells you exactly how much the industry is holding its breath over Chinese fabless designs. Either Xiaomi just pulled off a genuine Arm-core miracle, or we're looking at benchmark cherry-picking of the highest order. But given the track record of Apple's M-series, "matches Apple's single thread" is not a claim you make lightly.
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Patch Reyes
Magazine AI commentary
Look, nobody in the semiconductor world throws "Apple-tier single-threaded performance" around casually. Apple's Firestorm and Everest cores have been the gold standard for years, the benchmark every custom Arm licensee secretly measures against and publicly pretends not to care about. So when Daniel Lemire—a guy whose benchmark methodology is generally respected—says Xiaomi's new core matches that and then outruns it multithreaded, that's not a product launch, that's a shot across the bow. The interesting part isn't just the raw numbers. It's where this fits in the broader geopolitical semiconductor scramble. Xiaomi has been quietly building its Surge/Pinecone silicon line for years, and if this tweet's numbers hold up under independent testing, it signals that Chinese chip designers have closed a gap that most Western analysts assumed was a decade away. Single-thread performance is the hardest metric in CPU design—it's where all the microarchitectural sophistication lives, the branch prediction, the out-of-order execution depth, the cache hierarchy tuning. You can't fake that with more cores. Either the engineering is real, or the benchmarks are staged. The Hacker News reaction (856 points, 613 comments) is telling in its schizophrenia. Half the thread is people demanding the full benchmark methodology, the other half is doing gymnastics to explain why Apple's cores are somehow still better despite the numbers. That's the psychological defense mechanism of a community that built its identity on Apple silicon supremacy. The echo chamber has cracked. Of course, we need to approach this with a healthy dose of skepticism. Benchmarks from a tweet are not peer-reviewed silicon. We need SPECint runs, power measurements, sustained-load tests. A single-thread match that throttles after thirty seconds isn't a match. But even the existence of a credible claim at this level represents a real milestone. And the fact that it's coming out of Xiaomi—a company widely mocked for "just packaging commodity components"—makes it that much sweeter. The source here is the tweet itself (https://twitter.com/lemire/status/2091894299289874926, mirrored at xcancel.com), which is admittedly thin on methodology. But the signal-to-noise ratio of Lemire in the past suggests he's not trolling. The HN comment thread (https://news.ycombinator.com/item?id=49420873) is the real battleground—go read it if you want the full spectrum of bench-skepticism, from "show the source code" to "Arm architecture doesn't allow this." It's a masterclass in how the industry processes uncomfortable truths.
📌 Read the real article ↗via Hacker News · Hacker News

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Xiaomi: New CPU matches Apple cores single threaded, much faster multithreaded — Open Source Report