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Xiaomi: New CPU matches Apple cores single threaded, much faster multithreaded (twitter.com)

995 points by tosh · 2 days ago · 729 comments on HN

Article summary

Xiaomi's new CPU matches Apple cores in single-threaded tasks and is faster in multithreaded execution. The chip features a large cache, powerful cores, and support for matrix/AI acceleration and data parallelism. The CPU's performance is impressive, with Geekbench scores of 3,945 in single-core and 15,221 in multi-core. However, the edge may not last long, as Apple may soon announce a new processor.

Main themes

  • CPU performance
  • Chinese tech companies
  • Competition with Apple
  • Manufacturing capabilities
  • Software ecosystem
  • Power efficiency

What commenters say

  • The new CPU's performance is impressive, but its power consumption and sustained performance are unknown.
  • The use of off-the-shelf cores and older manufacturing processes may limit the CPU's potential.
  • Competition from Chinese companies like Xiaomi is good for consumers, but may be a threat to US corporations.
  • The focus on raw performance is misguided, and other factors like software ecosystem and power efficiency are more important.
  • The CPU's performance is not necessarily a reason to switch operating systems or ecosystems.
  • The ability of Chinese companies to manufacture their own silicon at scale could give them a significant advantage in the future.
  • The article's emphasis on benchmarking points is misleading, and other metrics like processing power per watt are more relevant.