The Onyx Boox Max 2 Pro is a powerful (if expensive) eReader tablet with a huge 13.3-inch hi-res E-Ink display. The reader boasts a quad-core processor, a full version of Android 6.0, and a highly responsive E-Ink display, but there are a few drawbacks.
https://www.notebookcheck.net/The-Onyx-Boox-Max-2-Pro-is-a-quad-core-E-Ink-tablet-coming-for-800.269604.0.html