There is a rumor that Microsoft will take center stage at E3 2019 by revealing the expected new Xbox consoles. The consoles, codenamed Lockhart and Anaconda, are believed to feature SSDs, custom CPUs based on AMD's Zen 2 microarchitecture, and custom Navi-based GPUs. However, the release schedule for the latest Xbox hardware is still a long way off: End of 2020.
https://www.notebookcheck.net/New-Xbox-consoles-rumored-for-reveal-at-E3-2019-leaked-specs-feature-custom-AMD-Navi-GPUs.410992.0.html