The non-X 1920 Threadripper CPU could be considerably cheaper than the X variant, and even though it could end up with reduced boosts clocks, the multipliers are most likely remaining unlocked to further provide excellent overclocking potential.
https://www.notebookcheck.net/Motherboard-manufacturers-list-unannounced-1920-Threadripper-CPU-other-non-X-versions-could-follow.240290.0.html