Rockpi

rockpi
https://www.aliexpress.com/item/1005003667507535.html $55' AliExpress SmartFly Tech CO.,Ltd., store 1382212 ROCK3 features a quad core Cortex-A55 ARM processor, 32bit 3200Mb/s LPDDR4, up to 4K@60 HDMI, MIPI DSI, MIPI CSI, 3.5mm jack with mic, USB Port, GbE LAN, PCIe 3.0, PCIe 2.0, 40-pin color expansion header, RTC. Also, ROCK3 supports USB PD and QC ROCK PI 3A 2GB/4GB/8GB SBC Rockchip RK3568 Single Board Computer support Coral TPU Android11 AI Deep Learning Neural Processing unit(NPU) supports Pytorch, Kerras etc. avoids the high wattage of GPU. VPU 4K 60fps video decoding and 1080p 100fps encoding. GPU supports Vulkan.

other
https://www.youtube.com/watch?v=C4p9EpjA0ZM ROCKPI4 rasp form factor, two usb3 ports. See https://wiki.radxa.com/Rockpi4

jargon
https://en.wikipedia.org/wiki/Vision_processing_unit (VPU) distinct from https://en.wikipedia.org/wiki/Graphics_processing_unit (GPU) https://en.wikipedia.org/wiki/Neural_processing_unit (NPU) or https://en.wikipedia.org/wiki/AI_accelerator

links
Raspberry pi