Intel has EMIB [0], which they've used in i7-8809G [1]. And they seem to be going all-in on chiplets heavily... for 7nm [2]. At their current pace it'll be a few years before that.

[0] https://www.intel.com/content/www/us/en/foundry/emib.html [1] https://en.wikichip.org/wiki/intel/core_i7/i7-8809g [2] https://www.anandtech.com/show/16021/intel-moving-to-chiplet...