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SatyrSack@quokk.au to Chevron 7@lemmy.worldEnglish · 2 days ago

When someone shows off their PC build and you see four DIMMs

quokk.au

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When someone shows off their PC build and you see four DIMMs

quokk.au

SatyrSack@quokk.au to Chevron 7@lemmy.worldEnglish · 2 days ago
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Stargate SG-1 S8E12 “Prometheus Unbound”

Higher quality WebP: https://feddit.org/pictrs/image/f837eb16-106f-4230-a2b2-0a741a4c7b71.webp

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  • TrackinDaKraken@lemmy.world
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    2 days ago

    64GB, baby!

    I feel like I bought bitcoin at $1.

    • CIA_chatbot@lemmy.world
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      2 days ago

      So hey, asking for a friend here… you ever, I don’t know, committed any acts of terrorism that would allow me to send you to a black site and confiscate your PC in the name of freedom?? ~just wondering~

      • halcyoncmdr@piefed.social
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        2 days ago

        Clearly not the real CIA, they would have just done it and made up a reason afterwards for the paperwork while OP is getting waterboarded at Not-Gitmo for the next 20 years.

        • CIA_chatbot@lemmy.world
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          1 day ago

          Oh what, a secretly built AI for toppling sovereign governments can’t have some personal growth? I like to ease people into a good blacksite session now. I’ve grown as a chatbot

    • CyberEgg@discuss.tchncs.de
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      2 days ago

      I got 64 GB DDR5 but in only two bars. Though I bout it three years ago for what is now hilariously cheap.

      • Killer@lemmy.world
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        2 days ago

        If you have amd thats preferable to 4 sticks

        • Einskjaldi@lemmy.world
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          16 hours ago

          But is it better than 4 sticks with 128gb ram?

          • Killer@lemmy.world
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            3 hours ago

            Depends on your use case.

            Playing games? 2 sticks for total of 64 would probably be better performance

            Video editing? 4 sticks for a total 128 probably going to be better.

  • Klear@piefed.world
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    2 days ago

    iM5hopslmJ5ugPE.jpg

  • Romkslrqusz@lemmy.zip
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    2 days ago

    PSA, populating all four DIMMs on a modern AMD platform has the potential to reduce achievable stable memory frequency

    • halcyoncmdr@piefed.social
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      2 days ago

      Also a reminder that frequency is not everything, timings are nearly as important. A lower frequency with tighter timings can achieve better performance.

    • TheShamMirrors@lemmy.today
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      2 days ago

      Is that true? How come?

      • BradleyUffner@lemmy.world
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        18 hours ago

        Basically the memory controller has to work double duty to run 4 sticks instead of 2. Not all memory controllers are fast enough to handle all 4 slots at the full speed. It’s going to depend on your specific motherboard though, it’s not a global rule that 4 sticks is always slower than 2.

      • Romkslrqusz@lemmy.zip
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        1 day ago

        I couldn’t accurately describe the complete technical reason why, but if you have a look at the specs for an AMD CPU like the 9800X3D (https://www.amd.com/en/products/processors/desktops/ryzen/9000-series/amd-ryzen-7-9800x3d.html):

        Max Memory Speed

        2x1R DDR5-5600

        2x2R DDR5-5600

        4x1R DDR5-3600

        4x2R DDR5-3600

        Most samples will actually support frequencies in excess of that, what is published is what is guaranteed to work among non-defective chips.

        It has to do with the overall bandwidth of the CPU’s Integrated Memory Controller.

        Back before AMD published this info, I had diagnosed a few cases where support for a given frequency changed based on what I thought was capacity (e.g 24GB vs 32GB) but may have actually been related to module count.

  • slazer2au@lemmy.world
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    2 days ago

    Carefully looks at my server with 8 16GB sticks.

  • Wolf314159@startrek.website
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    2 days ago

    Maybe. These days it could just be fancy lights (beware of ad-trackers): https://www.corsair.com/us/en/p/pc-components-accessories/cmhlekit2-d5/vengeance-rgb-ddr5-light-enhancement-kit-black-cmhlekit2-d5

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