> I don't think Intel has any "efficient" CPU that can go passively cooled at load though. Maybe Apple can do it for the low end SoCs.

Does the N100 not fit this criteria?

The N100 requires active cooling.

	▲	ThrowawayR2 8 hours ago \| parent \| next [-]
		Not necessarily; for example, the LattePanda Iota SBC with an Intel N150 has a passive heatsink option. Also, industrial fanless PCs have around for a long time even for much more powerful x86 processors.
	▲	geerlingguy 11 hours ago \| parent \| prev [-]
		Technically it can work with passive cooling. Just, you need a pretty hefty heatsink in comparison to other SoCs.