https://www.pcgamer.com/amds-latest-gpu-driver-aims-to-boost-performance-in-black-ops-4/

Coinciding with the launch of Call of Duty: Black Ops 4, AMD has made available a new Radeon Software Adrenalin Edition driver release with claims of up to a 6 percent performance bump, depending on your graphics card.

According to AMD's own testing, Radeon RX Vega 64 owners can expect up to a 5 percent performance bump in Black Ops 4 when running the game at 1080p. Likewise, Radeon RX 580 owners can expect up to 6 percent better performance at the same resolution, compared to the previous 18.10.1 driver release.