With those clocks there won't be dramatic differences.
Intel has had only single architectural improvement since Haswell: Skylake.
All new Intels since that have been tweaks to clock speeds and then increasing core counts, after Ryzen finally stopped Intel from being able to milk with quad cores.
(not to mention all those dual cores making sure most game developers haven't seen it worth to look much into utilizing extra cores)
Also current Ryzens wouldn't be much of an update for non-multithreaded loads, unless going CPU for upgrade path.
Wait for 9th gen to land next month, and if there is not much performance boost with that wait for Zen2.
That "9th" gen is Skylake v4 and only difference to current Coffee Lakes will be from clock speeds+extra cores.
And with more than minor shortage of 14nm production capacity, availability will likely suck for many many months.
Already Coffee Lake had availability problems year ago without current production capacity issues.
So prices will surely be salty.
And Intel no doubt wants to grab what money they can, before Zen2 CPUs made on TSMC's 7nm node come out.
With rumored 10-15% IPC improvement it wouldn't take much higher clock speeds from GloFo made Ryzens to cause Intel headache.
Intel's actually improved architecture CPUs are in development hell of broken 10nm process and maybe come for winter 2020.
Though just like in case of Olkiluoto 3 nuclear power plant it's better to not to trust schedule that much.
I mean Intel's roadmaps advertised 10nm node originally for end of 2015 and it's been constantly moved.
Actually also desktop Ice Lake was removed from Intel's internal 2019 roadmap already in spring:
http://www.expreview.com/64204.html