Raspberry Pi 400 • Re: Raspberry pi 4 overclocked to 3.4ghz

Currently that is just numbers.
Use any benchmark to compare 3400 with default frequency, or other PIs.

Like pichart from this thread:
https://forums.raspberrypi.com/viewtopic.php?t=227177
https://fractal.math.unr.edu/~ejolson/p ... urrent.tgz
https://fractal.math.unr.edu/~ejolson/p ... irates.svg

My baseline results at 1500 MHz are reported in

https://forums.raspberrypi.com/viewtopi ... 1#p1699381

Since your baseline results will depend on the C compiler and whether 32-bit or 64-bit, I'd suggest running your own Pi chart tests at 1500, 1800, 2100 and then 3400 to see the differences. Note that RAM speed is a constraining factor for some of the tests but the prime sieve usually scales linearly with CPU clocks.

A scaling analysis depicting computation speed versus CPU clock speed is at

https://forums.raspberrypi.com/viewtopi ... 1#p1993511

Note the Lorenz 96 computation decreases in performance as clocks go beyond 1600 MHz. I've always thought that a little weird.

Statistics: Posted by ejolson — Sat Jun 22, 2024 6:06 am

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