https://wccftech.com/intels-new-e-core-gracemont-and-p-core-goldencove-architectural-deep-dive/

Intel deep-dived into its upcoming E and P architectural design (something they referred to as big and small cores previously) and it looks like a true general leap in power and efficiency. To contextualize this for our readers, these were the designs formerly known as Gracemont and Goldencove. We will let the Intel experts explain the architecture this time:

Here is Intel’s Spectacular Xe SuperSampling (XeSS) Demo In 4K Quality