[bga]

Keep in mind the energy costs of the supporting hardware for that brain, though.

[TeMPOraL]

Computers have supporting hardware too - powerplants (plus related infrastructure) and cooling systems, at minimum.

[mannigfaltig]

Humans consume 0.7-1.3 kW per capita. A network of these chips scaled to human brain capacity would consume around 10 kW. It is really not a big difference. Our robot overlords are going to be quite efficient!