Now I’m gonna show you how your GPU and CPU are utilized in DX9, DX10 and DX11 and how can the GPU and CPU influence performance.
You can see that on all the graphs the trends are the same.
At the middle of the graph the FPS and the CPU usage drops because of the intense scenes (gun shots, explosions and lots of smoke) and the GPU steps in. It might be hard to see from the graphs but I can tell you that the CPU is used mostly for NPCs (non-player character aka enemies, monsters, soldiers etc.) and the GPU takes care of the real business: rendering the actual graphic.
Although Metro 2033 is somewhat CPU intensive it’s not CPU dependent. The game delivers some impressive graphics and I have to credit the developers for the great job of optimizing this game, at least on the CPU part…
Continue to the next page to see some tests on different resolutions and settings.