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Every Unreal Engine game I play has a framerate drop after about ten minutes

Arqade Asked on July 29, 2021

I have been having this problem with a variety of games. The ones I can recall specifically right now are Life is Strange and the one I was just playing, The Old City.

Both games, and at least one other I can’t remember, play fine for the first ten minutes or so. Life is Strange is getting about 80fps, and The Old City is just over 60fps. But after a little while, both games drop to 22fps. I thought it was just specific to Life is Strange initially, and beat that entire game, but that was about a month ago and now I’m having the same problem with yet another game. What could cause it and how could I fix it?

I’ve tried stopping as many other processes as possible, turning off every video game and streaming overlay I can think of, and just now I tried going into the BaseEngine.ini file and increasing the PoolSize value from 160 to 2048, with I believe corresponds to MB of GPU memory. My rig is an AMD FX-8350, 16GB of RAM, an nVidia GTX 760 with 4GB of RAM, and 64-bit Windows 7 Home Premium. I’m using an ASUS VG248QE 144Hz monitor.

One Answer

What does Unreal engine have in common with most software? It has framerate hitches. Android always does and many windows applications such as browsers do no matter the hardware.

Obviously, it takes very good programmers to be able to make games that have very good framerates. Unreal engine is meant to be a 'general purpose' engine, so being easy to pickup and use is the tradeoff they chose. Other game companies have to constantly modify their engine for each game they make while unreal engine has been used for 100s of games.

Here are some in technical explanations to support my point of view:

https://www.unrealengine.com/en-US/tech-blog/performance-at-scale-sequencer-in-unreal-engine-4-26?sessionInvalidated=true

Answered by Herreracapac on July 29, 2021

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