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I'm a happy Minecraft player. I place my blocks, mine my coal, and generally nobody gets hurt. Lately though, those mean creepers have been sneaking up on me from behind, and killing me. Why? Because my framerate is so darn low.

Adjusting the graphics option (Fancy to Fast) and the render distance help, but they are not enough. I have seen mention of outside optimizations and programs that people have made/used. What hacks, tricks, and mean mods can I use to improve my Minecraft FPS?

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Have you tried pressing "F" a few times to lower your depth of view? Shorter depths should lead to higher frame rates. –  Dave McClelland Jan 18 '11 at 17:40
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I thought the whole point of Minecraft was to see "a bunch of blocks"? ;) –  Wikwocket Jan 18 '11 at 20:00
    
@Dave he mentioned render distance in the question so he definitely tried it. –  Sadly Not Jan 18 '11 at 22:51
    
@thethinman That was an update to the question, which I should have made clear. –  F Oak Jan 18 '11 at 23:12
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generally nobody gets hurt Really? Even playing on peaceful, I fall off cliffs and into lava all the time! –  fredley Nov 4 '11 at 23:37
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10 Answers

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There are a number of mods that claim to improve FPS in Minecraft. My experience is limited to OptiFine (an updated version of Optimine from around version 1.2) on 1.8.1, but I do see a very significant improvement in my FPS. Although it's a bit non-specific, I have seen my FPS on a Mac go from completely unplayable to very smooth.

OptiFine (Minecraft Forum Link) reworks a number of rendering details to improve Minecraft performance (+20fps). Many people go crazy about it on the forum, others say that it just doesn't work so YMMV.

Last I heard, Notch was actually including some of these optimizations into Minecraft proper.

Keep in mind that any Minecraft mod that's not a skin requires you to patch the Minecraft code itself and thusly may not be compatible with other mods or your Minecraft version.

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Just installed the updated (1.8) OptiFine, and after modifying some of the settings, I did actually get approximately a 20 FPS increase. :D –  user13698 Nov 3 '11 at 23:58
    
Also, Google FPS++ for another compatible mod. Haven't formally tested it, but it can't hurt. –  MathSquared Apr 21 '13 at 22:55
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Within the options menu (Esc -> Options), set Graphics to Fast and set Render Distance to Tiny.

Close any programs you can spare to lose (ie internet browser, messenger, music).

If you're really desperate, you can open your task manager (Ctrl + Alt + Delete -> Start Task Manager) and select the "Processes" tab. Order by "Memory" and have a look at what's taking up so much processing power on your computer (Minecraft will be listed as javaw.exe). Use the End Process button to stop a selected process.

Do not end any processes that you don't know what they are. Have a look at the "Description" tab, and if you know what the process does, and you know you don't need it, then end it.

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You can always skip the extra step and go straight to the task manager by hitting (Ctrl + Shift + Esc) –  AndyPerfect Jan 23 '11 at 14:10
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On (most) Windows XP computers CTRL-ALT-DLT does it in one step. –  Joe the Person Oct 15 '11 at 15:03
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Of course you can change your render distance and the graphics quality, but for many, like it seems for you, the speed still is not high enough.

Now, I'm assuming that you do not have a great graphics card. For some graphics cards, like Intel HD, you will not have a chance of speeding it up without modifying the game. Optimine is common in that case. Link

If by chance you have an Intel Graphics Media Accelerator, there is another opportunity for you. GMABooster is a nice program which can boost your graphics speed quite a bit. Link

If graphics isn't your problem, and you have a slow processor/low RAM, you could try the following:

  • Do not multitask. Only have Minecraft open, and don't run it in your browser. Close all programs that you don't need, even those that are behind the scenes.
  • If you don't mind the lack of monsters at some times, turning the game on peaceful will reduce some load on your CPU, but of course, it takes away monsters, and that's boring!
  • Change Minecraft's processing priority. A good tutorial to do that is here: Link

So that's all I can suggest. If all else fails, you might have to upgrade your computer. You can get plenty of cheap, new choices at Amazon.com.

(Plus, you could try all of those at once! The processing priority change works the best for me. I have Intel HD, and I can run Minecraft pretty smoothly.)

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One thing I've noticed with changing the priority in Win 7 is that realtime causes sound stuttering. High however doesn't. In linux I've had no issues with changing the priority at all, but I've never set it lower than -10. (In linux the lower the number is the more priority it has.) –  Fambida Jul 28 '11 at 21:39
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On windows 7, I set minecraft to run in Compatibility Mode as Windows 2000. The improvement was remarkable!

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I wonder why that helps. –  F Oak Feb 9 '11 at 14:07
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McRegion v5 mod optimizes how chunks are stored on the disk, meaning pauses to load or save a chunk as you move around a world become much shorter and less noticeable.

Your beta copy of minecraft already includes the FastRender mod; which has been improved to Optimine.

As with all mods, they break when minecraft version increments.

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Mcregion mod has been incorporated in Beta 1.3: mojang.com/2011/02/16/minecraft-save-file-format-in-beta-1-3 –  Denilson Sá Jul 29 '11 at 1:01
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Even though this question has already been answered I think people here left out defragging the folder of MineCraft(don't use on SDD drives), and I think McRegion does that too but programs like Defraggler can do it better. Defragging the folder will put the files closer to each other, so loading things will be a lot faster.

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You can change your draw distance in the options.

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Render speed isn't in there anymore. –  John the Green Jan 10 '12 at 1:31
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Use FasterCraft; go here and download the version appropriate for your version of Minecraft.

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It's now out of date. –  F Oak Oct 4 '12 at 18:13
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To reduce lag on the client side, you should set render distance to Normal (or shorter if you have an older computer), set graphics to fast, disable clouds, turn off smooth lighting, set performance to balanced, turn off particles, and, if you have a newer computer, turn ON Advanced OpenGL. If you still have lag, you can grab OptiFine (use the light version if you just want an FPS increase, otherwise go ultra) and add it to your game, which should massively increase your FPS.

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Go to your .minecraft folder and search for the options file. Open it and search for:

fpsLimit:0

It will be set at 0 (most likely) so change that 0 to 60 and the fps shouldn't (based on your computer) go below 60 fps

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I thought fps limits were generally maximums, not minimums. Is this not the case for Minecraft? Does minecraft dynamically reduce your graphics settings in an attempt to hit this limit? –  PeterL Oct 4 '12 at 14:48
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Your computer cannot magically perform better simply because you tell it to. This answer is nonsense. –  Matthew Read Mar 30 '13 at 21:21
    
Just because something is set to 0 doesn't mean it's a minimum. 0 is used a lot for meaning "no maximum." Besides, you can't just pull better performance out of a hat; you need a good computer or settings. –  MathSquared Apr 21 '13 at 22:54
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protected by fredley Oct 16 '12 at 9:44

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