Some interesting tests made by Hardware Unboxed to compare IPC and latency between Ryzen 3000 and Intel i9 8800K under the same conditions (Clock Speed).
Worth a watch/listen.
Most interesting to me was that AMD now has indeed a better IPC than Intel but struggles at Core and Memory Latency quite a bit.
That is (as mentioned in the video) by a high chance the reason why Intel is still better in gaming.
One root cause for the latency issue could be the chiplet based design with the bandwidth/latency limitations of the Infinity Fabric AMD is using.
If a monolithic design can solve those issues we probably can expect better results regarding latency and in result better performance for games comopared to a PC counterpart at similar clocks..
This is also why I never really supported a chiplet design for next gen consoles.
Edit:
The Latency charts, for those that are too lazy to watch the whole video ;)