When comparing MinnowBoard Max vs NanoPi M4, the Slant community recommends MinnowBoard Max for most people. In the question“What are the best single-board computers?” MinnowBoard Max is ranked 29th while NanoPi M4 is ranked 54th. The most important reason people chose MinnowBoard Max is:
MinnowBoard is a non-profit backed by Intel. meaning it gets advice for its architecture by Intel. But all hardware and software parts, including all drivers are completely free and open source.
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Pros
Pro Completely open source
MinnowBoard is a non-profit backed by Intel. meaning it gets advice for its architecture by Intel. But all hardware and software parts, including all drivers are completely free and open source.
Pro USB 3.0 available
The MinnowBoard Max has 2 USB ports, one of which is a USB 3.0.
Pro Great for hacking away
Other than releasing all drivers as open source, Intel has also made the schematics of the board available to download. This way, hackers can give it a try and build anything they want without restrictions.
Pro 6 core HexaCore, compact nvme extender, 4GB RAM
Pro Open Source
Works with mainline Linux kernel and open source Mesa Panfrost drivers.
Pro Many ports
4 x USB3
2 x USB2 available via pins
PCI-E available via pins
Pro Fast
Rockchip 3399 with two fast A72 cores. Good heatsink limites throttling.
Cons
Con Multi-USB hub almost a necessity
Because it has only two USB ports, one of which to be used for charging, a multi-USB hub is needed to connect a keyboard and mouse which are the absolute minimal external devices to be able to use and configure the MinnowBoard.
Con No official OS images have the kernel with GPIO enabled
Although this is not the board's fault per-se, no official OS image has enabled support for GPIO. But if the kernel is compiled from source, it can be compiled with GPIO and PWM enabled.
Con Bleeding edge...
To have mainline kernel requires a bit of tinkering (e.g. installing Armbian). Panfrost drivers for 3d acceleration are not mature and crash sometimes...