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How much ram does "feed the beast" actually require?

I saw you only need about 256mb of ram for vanilla minecraft or 512mb with a texturepack and a few mods. If you allocate more than what is actually needed, will i experience laggspikes or just a better performance from using let say 16gb instead of 2?
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More about ram feed beast require
  1. Minecraft will not let you allocate more than 1024MB of RAM, it will crash.
  2. TechCIDLC said:
    Minecraft will not let you allocate more than 1024MB of RAM, it will crash.


    Unless you download optifine...
  3. Best answer
    TechCIDLC said:
    Minecraft will not let you allocate more than 1024MB of RAM, it will crash.


    Completely false, you can allocate MUCH more RAM to minecraft.
    --------
    I played minecraft with over 120 mods installed, miracle it worked. With some FTB mods as the base.
    With vanilla textures, 2GB of RAM dedicated to the client would be fine. 3GB I would recommend to be allocated if you are using texture packs as well. (Reasonable packs, not 512x512 stuff.)

    If you allocate too much RAM to minecraft it might start using the Pagefile, which WILL cause a tremendous performance drop. I would recommend that the maximum RAM you should allocate to the Client, should leave you with 4GB of Free RAM left.

    --Also you will see NO benefit if say, you allocated 4GB of RAM versus 16GB of RAM. Past what the game needs is simply wasting system resources.
  4. azathoth said:
    TechCIDLC said:
    Minecraft will not let you allocate more than 1024MB of RAM, it will crash.


    Completely false, you can allocate MUCH more RAM to minecraft.
    --------
    I played minecraft with over 120 mods installed, miracle it worked. With some FTB mods as the base.
    With vanilla textures, 2GB of RAM dedicated to the client would be fine. 3GB I would recommend to be allocated if you are using texture packs as well. (Reasonable packs, not 512x512 stuff.)

    If you allocate too much RAM to minecraft it might start using the Pagefile, which WILL cause a tremendous performance drop. I would recommend that the maximum RAM you should allocate to the Client, should leave you with 4GB of Free RAM left.

    --Also you will see NO benefit if say, you allocated 4GB of RAM versus 16GB of RAM. Past what the game needs is simply wasting system resources.

    Wow really? When I tried to allocate more than 1GB of RAM, Minecraft would just crash.
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