FPS drop on RTX40x0 series

[DonaemouS]

Hello all and thank you for keeping this game up to date. Since my latest hardware upgrade, I noted that Unreal Gold has become choppy and unplayable. I have the same issue with both 226 and 227k11 versions, this is due to my hardware being too new for this game. I have 2 computers, one with the nVidia Quadro P4000 and one with the GeForce RTX4070Ti.

While the first one is slower, the game runs smoothly and loads textures, sounds and physics with no issues. Otherwise, the computer with the RTX4070Ti, starts loading Unreal 227k11 and previous, with several errors and missing files.

I drop here both the log files, and do not hesitate to ask me for more logs to provide.

Unreal227k11_RTX4070Ti.txt Unreal227k11_P4000.txt

[Reorn]

Warning: Failed to load "Class None.ini:Engine.Engine.PhysicsEngine": Can't find ini:Engine.Engine.PhysicsEngine in configuration file.. Warning: Can't find ini:Engine.Engine.PhysicsEngine in configuration file. Warning: Can't find ini:Engine.Engine.PhysicsEngine in configuration file.

You have an error in you Unreal.ini file Required variable 'PhysicsEngine' missing in Unreal.ini

Need: [Engine.Engine] PhysicsEngine=PhysXPhysics.PhysXPhysics

Information for developers: The program must add this variable to the ini file if it is missing.

[DonaemouS]

oh yeah, that was the first log, including some errors due to my very old unreal.ini, but even with a new one, the fps issue is still there. I get this chance to share another feedback. I saw there are 2 Unreal.exe versions, one 32-bit and another 64-bit. Well with the latter, the fps issue does not make the game unplayable, but yes, is still lagging a lot.

Unreal227k11_RTX4070Ti_64bit.txt

This is the log file from the 64-bit

[DonaemouS]

I had the chance to try Unreal with an AMD Ryzen 9 Pro 7940HS, should I post the result in this same thread?