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M4's GPU does not support 64 float. So, yeah. No hardware support, so what are you expecting? The fact that it comes close is pretty impressive.

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These tests were done on the CPU cores, not on the GPU. In every test I ran the A18 chip blew past Intel's Core 5 on GPU performance.

There were a series of other benchmarks too, but the Hackaday article only highlights HPL as that was the benchmark that changed my perspective on Intel a bit. This was the first X86 chip to trade blows in efficiency (and idle power draw) with Apple's M3/M4 (I don't have any M5 to test with right now).

I really think you should use a more representative benchmark. Heck, even just take Chrome and run some browser benchmark on it like speedometer.

I run a large number of benchmarks; the Hackaday article of course focuses on the headline findings, but you can see the rest here: https://github.com/geerlingguy/sbc-reviews/issues/111

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