I've always assumed that the gigabit in GbE meant 1000Mbps.

But wireguard.com/performance/ shows numbers higher than that, and blog.ipfire.org/post/why-not-w, which criticizes the methodology of the first link, also seems to assume 1024Mbps?

@casualwp

1 Gb is 125 Megabytes or 1000 Megabits
1 GB is 1000 Megabytes or 8000 Megabits

GB means "Gigabyte" and Gb means "Gigabit" different things,

@freemo

I guess my question is more about gigabit versus gibibit, if that makes any sense.

@freemo

Yeah, but since the G in GbE stands for gigabit, I've always assumed it to be 1000Mb/s. So I have no idea where the >1000 numbers in the links come from :/

@casualwp @freemo it's due to the base 2, it used to be 1GB = 1024 MB for a long time. Now we reuse the 1000 multiplier so that 1GB = 1000MB but sometimes the notation "GiB"/"MiB"/"KiB" is used to distinguish it from the other one.
Of course, the same is available with the bits.
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@NicolasConstant

No 1 GbE is theoretical maximum of 1000 Mb not 1024..

1024 is used in some contexts incorrectly, but this isnt one of them.

@casualwp

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