Subj : Re: Slow speed through ethernet on RaspberryPi 4
To   : Errol Casey
From : druck
Date : Sun Jul 21 2024 21:21:39

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

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