Does the Pi 4 resolve the Ethernet+USB bottleneck issue of past versions?

Question

The Pi 3 (and previous models) had an issue of bottlenecked bandwidth when using Ethernet and USB simultaneously. Is this resolved in the Pi 4?

Forgive the MB/Mb mistake: twitter.com/ben_nuttall/status/1143037993957187584 — ben_nuttall, Jun 24, 2019 at 16:17

Matthew Peyton · Accepted Answer · 2019-06-24 15:54:21Z

45

Yes, it resolves it.

“While Raspberry Pi 3 Model B+ added Gigabit Ethernet connectivity, throughput on Raspberry Pi 4 is free from the single shared USB 2.0 channel to the SoC.” (https://www.raspberrypi.org/magpi/raspberry-pi-4-specs-benchmarks/)

answered Jun 24, 2019 at 15:54

Matthew Peyton

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7

To be more specific, the USB host controller is connected directly to the SoC via a PCIe bus. The Ethernet Controller is built directly in to the SoC.
– scotty3785
Jun 25, 2019 at 10:04
3

rejoice! Though I suppose it would be nice if there was a PCIe built into the board for utilization.
– tuskiomi
Jun 26, 2019 at 13:59

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