Source requested, I follow this news closely and have not seen anything that AMD is using Intel's fab.
Nvidia praised their test chip and that indicates they might use Intel's fab. They have not definitively announced that either (https://www.tomshardware.com/news/nvidia-ceo-intel-test-chip...)
Amazon was using Intel Foundry for packaging, not fabrication. And Qualcomm was considering 20A (https://www.pcgamer.com/intel-announces-first-foundry-custom...) in 2021, but there was a rumor earlier this year that Qualcomm might not use it after all (https://www.notebookcheck.net/Qualcomm-reportedly-ditches-In...)
Source requested, I follow this news closely and have not seen anything that AMD is using Intel's fab.
Nvidia praised their test chip and that indicates they might use Intel's fab. They have not definitively announced that either (https://www.tomshardware.com/news/nvidia-ceo-intel-test-chip...)
Amazon was using Intel Foundry for packaging, not fabrication. And Qualcomm was considering 20A (https://www.pcgamer.com/intel-announces-first-foundry-custom...) in 2021, but there was a rumor earlier this year that Qualcomm might not use it after all (https://www.notebookcheck.net/Qualcomm-reportedly-ditches-In...)