[loeg]

Here's the same author from pretty recently comparing the 2990WX to some Xeons (he says E5-2620 but doesn't mention which version — could be anything from Sandybridge to Broadwell):

http://apollo.backplane.com/DFlyMisc/threadripper.txt

[zrm]

The only available E5-2620 with that number of cores per socket is Broadwell.