https://wccftech.com/a-raspberry-pi-alternative-the-nanopi-r2s-is-up-and-coming-featuring-2-ethernet-ports/

People looking at the single-board computers (SBC) will soon have another option. FriendlyElec is coming out with the NanoPi R2S which SBC features more ethernet ports than the Raspberry Pi 4.

The NanoPI R2S only has a single USB 2.0 port located on the back while the Raspberry Pi 4B has two USB 3.0 ports and two USB 2.0 ports. The CPU that the NanoPi R2S uses a 4x Arm Cortex-A53 cores, which runs at 1.5 GHz while the Raspberry Pi 4 B utilizes the 4x Arm Cortex A-72 cores (Broadcom BCM2711B0) that runs at 1.5 GHz. The Raspberry SBC has various models that offer anywhere from 1 GB to 4 GB of DDR4 memory, while the NanoPi only features a 1 GB model. Both of these devices feature a MicroSD card slot for expansion.