Tested: Denuvo DRM has no performance impact on Final Fantasy 15

Processor	Intel Core 2 QX6850
Motherboard	ABIT AB9 Pro
Cooling	Zalman CNPS-9900 MAX-R
Memory	Patriot PDC24G6400LLK (4x 2 GB)
Video Card(s)	Palit GeForce GTX 560 Ti Twin Light Turbo
Storage	Not Enough!
Display(s)	Samsung T240HD
Case	NZXT Zero
Audio Device(s)	Creative Labs Sound Blaster X-Fi Elite Pro
Power Supply	Thortech Thunderbolt Plus TTBPK00G 1000W
Mouse	Elecom M-DUX70BK
Keyboard	CM Storm Trigger (Cherry MX Brown)
Software	NOT Windows 10

The guy behind the Dark Souls DSFix mod ran a bunch of tests comparing scenes from the demo and the released game.

Full article:
https://www.pcgamer.com/denuvo-drm-performance-final-fantasy-15/