August 5, 201312 yr Commercial Member The issue is quite interesting. I load every situation or new flight with default C172, and I get smoooooth framerates, steady at 40fps, no stutters, as it should be. Then I load default A321, and fps is slightly worse (few frames, that's normal), but I have big stutters, fps is not steady at all, jumps from 15 to 50fps. Never happaned before with default planes which are easy on CPU. I thought maybe is something wrong with UTX or FTXG, but I load C172 and everything is fine again. I have default textures in A321 so that is not the case. I tried also default 737 nad PA A320 v3, same case. Deleted fsx.cfg yesterday, no luck. Tried various settings in fsx.cfg, no luck. Disabled UTX, no luck. I don't think this is a scenery problem at all. So defenitely is something wrong with FSX or maybe some panel or gauge, but as I said everything is default amd it worked fine few days ago. Oh yes, I installed demo of GSX, and far as I can remember, everything ran fine. Any ideas? Current system: ASUS PRIME Z690-P D4, Intel 12900k, 32GB RAM @ 3600mhz, Zotac RTX 3090 Trinity, M2 SSD, Oculus Quest 2.
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