They are. That's what Rocket Lake is, coming later in 2020 with the 500 series Intel chipsets. It's a backport of their 10nm design with Willow Cove cores.
Too bad they completely porked it with a measly 16 lanes of PCIe 3.0. Seriously AMD, you're bragging about taking on Intel's HEDT offerings and you can't bring more bandwidth than Intel's 2 year old mainstream platform? WHY do you insist on crippling yourself this way?