In limited play, our Ryzen 3 2200G didn't really struggle to keep the Radeon RX 5600 XT flush with data and frame rates north of 60 fps. That should only be absolutely necessary if your CPU is on the low end of the minimum spec, though. When CPU usage is high, we found that turning down Reflection Details, Direction Occlusion, and Shadow Quality (even if it was within the VRAM limits) to gain back the most performance. On the other hand, if your CPU seems to be what's struggling, there are plenty of settings that will take a load off there, too. Is That CPU Up To The Doom Eternal Challenge? If Not You Can Compensate To run Doom 4 even on low graphics settings your PC will require at least a 2GB GeForce GTX 670.
Cards with 6 GB of memory aren't immune, either GeForce GTX 1660 SUPER, RTX 2060, and Radeon RX 5600 XT owners are locked out of the two highest texture quality settings. For your PC to completely meet the recommended requirements you will also need 8 GB system memory. That makes it easy for those with less video RAM so that performance doesn't tank. When our selected settings were too much, we got the above error. Doom Eternal locks out the three highest tiers of texture pool sizes for cards with 4 GB or less. If you have 4 GB of VRAM, High is as good as it gets. The limiting factor for everybody, however, is the amount of video memory your graphics card has. If the graphics card doesn't have enough VRAM, Doom Eternal locks out some settings.