[xiphmont]

? Nehalem had mobile quad cores. I'm using one right now.

[wlesieutre]

Specifically the Clarksfield processors from 2009: https://en.wikipedia.org/wiki/Clarksfield_(microprocessor)

Predating the i7 entirely, there were also quad core laptops using Core 2 Quad CPUs (Penryn QC) in 2008.

[xiphmont]

Indeed (have some of those too), but I assumed we'd artificially limited ourselves to talking about i7. I'm not sure why I assumed that, because you're right of course.