Wow, I did a double-take seeing this news blurb today. The common enemy, of course, is Nvidia:
[https://www.pcworld.com/article/3235934/components-processors/intel-and-amd-ship-a-core-chip-with-radeon-graphics.html]
“It sounds crazy, but it’s true: Arch-rivals AMD and Intel have teamed up to co-design an Intel Core microprocessor with a custom AMD Radeon graphics core inside the processor package, aimed at bringing top-tier gaming to thin-and-light notebook PCs.”