When comparing BeagleBone Green Wireless vs NanoPi M4, the Slant community recommends NanoPi M4 for most people. In the question“What are the best single-board computers?” NanoPi M4 is ranked 47th while BeagleBone Green Wireless is ranked 56th.
Ranked in these QuestionsQuestion Ranking
Pro Open source hardware
Schematic and board layout available at Seeed Studio's GitHub https://github.com/Seeed-Studio/beaglebone-getting-started/tree/BBGW/Docs/Hardware
Pro BeagleBone Black compatible
Compatible with BeagleBone Black software (with the exception of HDMI and Ethernet).
Pro WiFi and BlueTooth included
WiFi (2.4GHz b/g/n) and BlueTooth (classic and BLE) are both included.
Pro Includes 4 USB 2.0 host ports
Pro 6 core HexaCore, compact nvme extender, 4GB RAM
Pro Many ports
4 x USB3
2 x USB2 available via pins
PCI-E available via pins
Rockchip 3399 with two fast A72 cores. Good heatsink limites throttling.
Pro Open Source
Works with mainline Linux kernel and open source Mesa Panfrost drivers.
Con No HDMI port
HDMI port is only available via an addon cape.
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...