this post was submitted on 28 Dec 2025
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Basically every ue5 game will happily devour upwards of 16-21 gigs of ram if you have it. And if you don't will just slam the fuck out of your hard drive like there's no tomorrow.
It's really easy to think games need less ram then they actually do when you don't have enough to go around and shits just swaps more killing performance. But the ram number is lower!
Yes, many apps will use a lot of RAM if it's available, that's how RAM is supposed to be used. If you have 16GB and a game is actually causing swapping I'd be surprised. An app that can use 20GB isn't necessarily going to consume all the RAM on a system with under 20GB. Higher memory pressure statistics will mean more aggressive evictions but not necessarily swapping.
I have 64GB so the "you don't have enough to go around" bit doesn't apply to me.