Final Fantasy XV will see the release of a Windows Edition on March 6th, 2018. Square-Enix has made a benchmark tool available so that you may get an idea of how FFXV will run on your system once released.
The benchmark tool limits one to preset resolutions:
If you run a resolution outside of this, you will need to create a custom shortcut to utilize that resolution. A quick google search will explain how this is done. Now that we have cleared that up; on to the results!
Resolution and Score (High Quality setting)