Xiaomi: New CPU matches Apple cores single threaded, much faster multithreaded
- ID
- 17382
- Status
- summarized
- Published
- 24 Aug 2026, 11:08 PM
- Fetched
- 26 Aug 2026, 5:01 AM
- Provider
- Hacker News
- Category
- dev-community
- Original URL
- https://twitter.com/lemire/status/2091894299289874926
- Source URL
- https://hnrss.org/best
Summary
- Score
- 7.0
- Created
- 26 Aug 2026, 5:05 AM
- Tags
- Audience
- developersai-ml-learners
What happened
Xiaomi's new Xring O3 CPU reportedly matches Apple's single-threaded performance and significantly exceeds it in multithreaded tasks, scoring 3,945 single-core and 15,221 multi-core on Geekbench. The chip features 44MB of total cache, 21 execution ports, and supports SME2 and SVE2 for matrix and SIMD data parallelism.
Why it matters
Developers building performance-critical applications should prepare for ARM architectures with massive cache and wide execution engines, leveraging SVE2 and SIMD for parallel workloads rather than relying on single-thread speed.
Discussion angle
How software optimization needs to shift toward exploiting wide SIMD units and massive multithreading as mobile and ARM CPUs outpace traditional Intel/AMD laptop chips in parallel execution.