Subj : Re: Slow speed through ethernet on RaspberryPi 4
To   : druck
From : The Natural Philosopher
Date : Mon Jul 22 2024 09:45:26

On 21/07/2024 21:21, druck wrote:
> On 21/07/2024 01:04, Errol Casey wrote:
>>
>> Speedtest.net. I'll get iperf and see what performance I have between
>> hosts.
>>
>> The  test is also with test was with web browser version of speed net
>> not cli
>> or platform specific. But  the 800/800 on windows 11 was with same
>> tool and
>> test site.
>
> The Pi 4B has a true gigabit Ethenet interface, and is close saturating
> the connection (900Mb/s+) to other local machines in both directions
> using the command line iperf tool.
>
> [The Pi 3B+ had gigabit Ethernet, but used the internal USB interface
> and so was limited to 300Mb/s, where as the 3B and all previous Pi's
> were 100Mb]
>
> However, if you use browser based speed page, these are heavily
> javascript laden which will put quite a load on a 1.4GHz 4 core chip
> with limited memory, and may well not reflect the fastest possible speed
> obtainable.
>
> ---druck

That is good information.

I used to ftp to one of my remote dark office server and transfer a few
megabytes to /dev/null to get a decent speed analysis

You might find some file online and download it using curl etc.

Those web based speedometers were designed in the days of 5Mbps ADSL...



--
I would rather have questions that cannot be answered...
....than to have answers that cannot be questioned

Richard Feynman

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