[baybal2]

Yes, much more than from 28 to 22 or 16. 40nm+ are planar transistors, and below are FinFETs

[wtallis]

The FinFET transition was a bit later than you remember: Intel switched at 22nm, TSMC at 16nm. TSMC's 28nm wasn't their last planar transistor node, but it's a sweet spot of performance vs cost.