Intel to phase out SGX after Xeon Diamond Rapids in favor of TDX

Intel will discontinue Software Guard Extensions after its upcoming Xeon Diamond Rapids CPUs and focus confidential computing on Trust Domain Extensions. TDX isolates entire virtual machines and is already available on Alibaba Cloud, Google Cloud, IBM Cloud, Microsoft Azure and Volcano Cloud. SGX-enabled platforms will keep receiving support into the early 2030s.

• Diamond Rapids will be the last Xeon generation to support SGX
• TDX isolates whole VMs, while SGX protects application enclaves
• TDX is already available on Alibaba Cloud, Google Cloud, IBM Cloud, Azure and Volcano Cloud
• SGX-enabled platforms will be supported into the early 2030s