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Thinking of a new build (sh.itjust.works)

submitted 6 months ago by [email protected] to c/buildapc

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Hello! I have chosen some parts for a PC based around a monitor I currently have. I have a 4k monitor and the games I'd like to play on it and the current PC I have isn't cutting it anymore unfortunately.

https://uk.pcpartpicker.com/list/3Vc2cH

These are the parts I've chosen, I already have 24GB of RAM, just wondering if there's anything cheaper I can get to lower the price and get similar performance. I don't have much experience in building PCs but I've done a bit of research

Currently would like to play Helldivers 2 and Baldur's Gate 3 on the 4k monitor with no issue.

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[–] [email protected] 8 points 6 months ago (2 children)

I already have 24GB of RAM...

24? Not 16 or 32? You have three sticks of 8GB?

I'm a little out of the loop on current gen stuff, but your RAM needs to be in identical pairs or quads (e.g. 2x8, 2x16, 4x8, etc.) to maximize throughput. With odd-numbered configurations, your RAM will run in single channel mode, meaning diminished performance. In identical pairs, it runs in dual channel mode, meaning better performance.

I would take out a stick or add one to your build, or buy a 2x16GB kit.

To save money, you could swap out the Samsung SSD for a Crucial P5, but wait until Christmas when those parts typically go on sale.

[–] [email protected] 3 points 6 months ago (1 children)

Just checked, turns out I have 2 4gb and 2 8gb in there. Think I just kept the extra 8gb after putting in the 16gb

[–] [email protected] 5 points 6 months ago* (last edited 6 months ago) (1 children)

Still a mismatch. You either want 2x8 or 4x8 (all running at identical speeds). I know it's tempting to use what you have to give yourself more RAM, but the "more is better" only holds true if all sticks are functionally identical. Your computer will run them in single channel mode and it will lower the speed of whichever kit is faster to match the slower one, so you are getting hit with a double performance drop.

Pick up a 2x8 kit of the same kind of RAM (same capacity, same timings), or get a faster kit to replace your current ones.

[–] pivot_root 2 points 6 months ago (1 children)

Crucial has 12 GB SO-DIMM sticks, apparently. Not that OP's motherboard uses that form factor or anything.

[–] [email protected] 3 points 6 months ago

I have a vague memory of someone on Reddit saying some time ago that they had 6GB sticks in theirs, but it's certainly nonstandard.