3 Things to Know About RAM for Modded Minecraft

  1. 16GB total RAM stops stuttering Bumping from 8GB to 16GB noticeably reduces stuttering in modded Minecraft with 100+ mods. 8GB leaves too little room for Windows, Minecraft, and Java to work together smoothly.

  2. Java garbage collection is the real problem With 8GB total, you can only allocate 4–5GB to Minecraft, so Java’s garbage collector runs constantly, causing micro-stutters. 16GB lets you give Minecraft 6–8GB, keeping the garbage collector calm and frames smooth.

  3. More than 8GB allocated to Minecraft hurts performance Giving Minecraft 12GB makes garbage collection longer and can cause worse stutters. The sweet spot is 16GB total with 6–8GB allocated to Minecraft for heavy modpacks.

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