Developer Asobo is improving the Microsoft Flight Simulator engine, ensuring that the PC version delivers higher fps. Furthermore, the game relies less on the processor but more on the GPU.
In a Twitch session, asobo CEO Sebastian Wloch said that three segments of the render engine have been re-written and architecture was improved. Wloch stresses that the tests have not yet been performed; therefore, Asobo cannot say what fps increase you can expect, but 10% seems feasible. The dev also mentions that the sim works with DirectX 12 ultimately. This allows the team to perform ray tracing. However, in the pending update, this will not be implemented. An update to DirectX 12 could also improve fps.
The team also discusses briefly the Xbox game version, which will also be published on July 27th. The game runs on both consoles at 30 fps and supports variable rate refresh. The Series X version will show 4k images, the Series S version will reach a maximum of full HD. On July 27, the update will be released.
MS Flight Simulator 2020 update should fix CPU bottleneck and increase perf (mentions DX12)