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Why UE 5 is so bloated? (sh.itjust.works)

submitted 1 day ago by [email protected] to c/[email protected]

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Have anyone else noticed that UE 5 is significantly harder to run than other game engines in the current generation. Every game that uses UE 5 is hard to run and the visuals doesn't look worth the performance hit. Games from other engines and Games uses UE 4 is so much better.

Just take a look at S.T.A.L.K.E.R, yes they might be qble to optimise it more but even games less buggy if it's UE 5 it's hard to run. I play a LOT of AA games that uses UE 4 and all of them hits 100+ fps without breaking a sweat while still looking beautiful. It's crazy.

Why do you think this is? Also while you're commenting, drop the best performing 9th gen game you've played too!

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[–] [email protected] 7 points 1 day ago

My impression of it is that you can achieve good performance in UE5, but you won't be using the newer tools for that in most games. Many of the newer tools, like Nanite, comes with a large up front cost, but scales well after that. So you can make a beautiful game that runs stable 30 fps with some effort, but reaching 60 or 120 is trickier when using the newer systems.

Since there are so many different systems in Unreal 5 it's also a beast to understand. Understanding a system is in many cases a key to performance optimization. Performance is also something that spans most disciplines, adding more people that need to understand it.

UE5 is targeting capabilities of newer hardware, compared to UE4, so it tends to push the limits more.

UE4 has had a lot more time being refined than UE5, so it is understandable that it performs better.

Making a game look nice and run well on newest hardware and do the same for lower end hardware takes a lot of effort. You may need to fall back to older systems with different visuals and spending time on getting it to look similar enough. Sometimes two systems may even not be feasible to switch between, so then in most cases the newer system with better quality takes precedence.

I could go on about this at length but I mostly want to communicate that people underestimate how hard it really is to make a game that is a good investment, fun, beautiful and performant. There is always a balance to be struck.