Can Intel finally beat ARM on performance per Watt?
- ID
- 12490
- Status
- summarized
- Published
- 09 Aug 2026, 12:04 AM
- Fetched
- 10 Aug 2026, 7:11 PM
- Provider
- Hacker News
- Category
- dev-community
- Original URL
- https://hackaday.com/2026/08/08/want-energy-efficiency-dude-youre-getting-a-dell/
- Source URL
- https://hnrss.org/best
Summary
- Score
- 6.0
- Created
- 10 Aug 2026, 7:13 PM
- Tags
- Audience
- developersvibe_coderssaas_founders
What happened
Jeff Geerling's benchmarks show Dell's XPS 13 with Intel Core 5 320 achieving 6.21 Gflops/W on HPL Linpack, beating a MacBook Neo's 5.38 Gflops/W and even surpassing M3 and M4 Mac Studios, though losing to the M4 Mac Mini at 7.57 Gflops/W. The Dell also matches the MacBook in idle and web-browsing power draw, suggesting x86 has closed much of the efficiency gap that made ARM dominant.
Why it matters
If you've been defaulting to Apple Silicon or ARM for energy-efficient workloads, Intel's x86 is now a viable alternative for laptop-class compute — relevant for local teams provisioning dev machines or edge nodes where power cost matters. The data also supports the argument that ARM's efficiency advantage was largely chip-design-driven, not ISA-driven, which should inform hardware procurement decisions rather than architecture dogma.
Discussion angle
Does this change anyone's next laptop or server purchase decision, or is the efficiency parity at the laptop level irrelevant when cloud instances and Mac Mini clusters still dominate the cost-per-watt conversation for builders?