On the server? Unknown. Anywhere at all? They already did - two iterations, in fact. Ice Lake uses the new Sunny Cove uArch and Tiger Lake uses the successor to

On the server? Unknown. Anywhere at all? They already did - two iterations, in fact. Ice Lake uses the new Sunny Cove uArch and Tiger Lake uses the successor to Sunny Cove called Willow Cove. And Tiger Lake is fine but not great: https://www.anandtech.com/show/16084/intel-tiger-lake-review-deep-dive-core-11th-gen https://www.anandtech.com/show/16084/intel-tiger-lake-review... Rocket Lake is supposedly a "backport" of Sunny Cove to 14nm for desktop, coming Q1 2020.