The line has just been lowered (in a good way!) For Resizable BAR, the PCI-Express graphics feature that allows processors to directly access a GPU’s built-in memory to improve frame rate. This is because AMD just announced that they are bringing the technology to the latest generation Ryzen 3000 processors, not just the new Ryzen 5000 chips that were originally launched with the feature.
AMD originally debuted the feature as “AMD Smart Access Memory”, and you specifically needed an AMD Ryzen 5000 CPU and an AMD Radeon RX 6000 graphics card to make it work. It was not particularly easy to sell, considering that both have been incredibly difficult to find in retail since they first debuted.
But it spring a single sale for Nvidia and Intel, who announced in January that they would adopt Resizable BAR with initial support for Nvidia̵
With the Ryzen 3000, AMD actually promises up to 16 percent more performance, compared to 10 percent both AMD and Nvidia previously offered, although it will really depend on the game. TechSpot discovered that some games could see a 20 percent boost on the AMD CPU + AMD GPU side of things, while other games actually had reduced performance.
Due to the possible disadvantages, Nvidia decided to only turn it on for certain games where there is an advantage, with the first wave included Assassin’s Creed Valhalla, Battlefield V, Borderlands 3, Forza Horizon 4, Gears 5, Metro Exodus, Red Dead Redemption 2, and Watch Dogs: Legion.