GX-420CA also has a GPU which GX-412TC lacks. In headless operation the difference would not be that much. For reference, I have a t620 with GX-415GA (TDP 15W)

GX-420CA also has a GPU which GX-412TC lacks. In headless operation the difference would not be that much. For reference, I have a t620 with GX-415GA (TDP 15W) which draws 12W at the wall in a CPU load scenario. https://www.amd.com/en/system/files?file=2017-06/g-series-soc-product-brief.pdf https://www.amd.com/en/system/files?file=2017-06/g-series-so...