Ranked in these QuestionsQuestion Ranking
Pro Comes with Nougat
Unlike Remix OS, Phoenix OS is recently released and comes with Android 7.0. Remix OS support is discontinued and no further updates can be expected. But Phoenix OS updates can be expected. UI is same for both OS.
Pro Accelerated gaming
With Phoenix OS you guys can play any android games on pc with 30+ fps but minimum requirements must be met (pentium 4 cores with 8 gig ram) [must] and even Intel gfx would also work to run heavy games like mc5 (fps) and kritika (role playing) or pubg(tps) usually puzzle games never lags on this OS
Pro Regularly updated
Phoenix OS updated at least every month, bringing in new features and bug fixes with every release.
Con 32-bit version is no longer supported or updated
The developers of Phoenix OS have dropped support for the 32-bit version of Phoenix OS. It is still on Andriod 5.1 Lollipop and was last updated on 19 October 2017
Con Google Play service is not updating
Don't expect Google services-based apps.
Con No ISO
To install Phoenix OS, you must use an exe file. This can be particularly annoying when trying to use a virtual machine, or when using another operating system than Windows.