this post was submitted on 13 Jun 2026
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A relevant part is that double the speed doesn't save the same time.
So e.g. if a download takes 100 minutes on 10MBit, you save 50 minutes by doubling the speed.
The same download would take 10 minutes on 100MBit, doubling the bandwidth would only save 5 minutes.
And on 500MBit it's two minutes, so doubling the bandwidth only saves one minute.
We are deep into diminishing returns here.
€58 vs €49 means an extra €108 per year. That's quite a sum.
In my case going from the 150Mbit/s I have to gigabit would cost me €35 extra per month, €420 a year, yeah, that's not worth it to speed up some background downloads.
I'm on Fedora, updates are frequent as well, but since they download in the background I hardly care about the speed. I see there's a new update, so I start the download in the beginning of the day. It finishes within half an hour or an hour or so, while I continue doing my stuff, and in the evening when I'm done I run the actual update if it requires a reboot.
This is simply not true, of course it isn't entirely linear, but for big downloads you actually get pretty close to the full benefit of the speed, when the servers can handle it.
When the speed goes up, latency also goes down, making response times faster too.
Sounds a lot like your Fedora update is single threaded, which is a huge limitation. I start updates manually and monitor the whole process, and the whole process is finished in a couple of minutes for a big update. A single package can be literally less than 5 seconds for download, integrity check and installation. Firefox is among the most frequent single package updates, and that generally takes 5-6 seconds.
What is not true?
Do the math yourself, it's only grade school level:
A download takes 100 minutes at 10Mbit. How long does it take at 20Mbit and how many minutes are saved?
The same download takes 2 minutes at 500Mbit. How long does it take at 1000Mbit and how many minutes are saved?
This calculation doesn't even take into consideration that most servers don't allow for gigabit downloads and that most wifi connections also don't allow for gigabit.
and, not to forget, just because you have 1gbps or faster download available, doesn't mean the other end and the pipes in between can deliver at that rate.