From what I've seen, the lowest power (well, TDP) that AMD targets is 15-28W (e.g., AMD Ryzen™ AI 5 330). They do not really have an equivalent to the N-chips of intel, which are all Gracemont E-cores (severely cut down in performance). The zen 4c/5c cores are not really equivalent to the Intel E cores (much more powerful), hence they do not have a core that targets a low performance + low power target such as intel N100/N150. The competitor for those would be ARM.

You'll want one of their monolithic chips that's intended for laptops. They do sell some of these chips as desktop models, such as the APUs, but a lot of the mini-desktop AMD systems I've seen straight up use a mobile chip in them.

With that said, AMD doesn't really sell anything that competes directly with things like the N150.

The AI Max series is a beast and that with super low voltage + really good gaming, computing its just perfect. (See Framework desktop ) (For me a whole gaming pc, under 400 watts of power is a low powered pc. When a comparable intel + nvidia pc needs at least 700-900 watts

Maybe the A series?