Your PC will need a graphics card thats as powerful as a GeForce GT 340/Radeon X1900 GT and it should be paired with either a Athlon 64 X2 Dual Core 4200+/Core 2 Duo E4400 2.0GHz CPU to match the RimWorld recommended system specs. This PC setup will deliver 60 Frames Per Second on High graphics settings on 1080p monitor resolution. System memory required for RimWorld is 2 GB performance memory. Taking a look at the min reqs you will require a Intel HD Graphics P3000 graphics card with a Core 2 Duo E4300 1.8GHz or Athlon II X2 270 processor to reach the minimum RimWorld specs, run on low graphics setting and 720p. You should also have 2 GB system memory for min specs. You will require a DirectX 9.00 GPU. Recommended needs around a 13 year old PC to run.