Sodium Mod 1.18/1.17.1 is a free and open-source rendering engine replacement for the Minecraft client that greatly improves frame rates, reduces micro-stutter, and fixes graphical issues in Minecraft.

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Features:

  • A modern OpenGL rendering pipeline for chunk rendering that takes advantage of multi-draw techniques, allowing for a significant reduction in CPU overhead (~90%) when rendering the world. This can make a huge difference to frame rates for most computers that are not bottle-necked by the GPU or other components. Even if your GPU can’t keep up, you’ll experience much more stable frame times thanks to the CPU being able to work on other rendering tasks while it waits.
  • Vertex data for rendered chunks is made much more compact, allowing for video memory and bandwidth requirements to be cut by almost 40%.
  • Nearby block updates now take advantage of multi-threading, greatly reducing lag spikes caused by chunks needing to be updated.
  • Chunk faces which are not visible (or facing away from the camera) are culled very early in the rendering process, eliminating a ton of geometry that would have to be processed on the GPU only to be immediately discarded. For integrated GPUs, this can greatly reduce memory bandwidth requirements and provide a modest speedup even when GPU-bound.
  • Plentiful optimizations for chunk loading and block rendering, making chunk loading significantly faster and less damaging to frame rates.
  • Many optimizations for vertex building and matrix transformations, speeding up block entity, mob, and item rendering significantly for when you get carried away placing too many chests in one room.
  • Many improvements to how the game manages memory and allocates objects, which in turn reduces memory consumption and lag spikes caused by garbage collector activity.
  • Many graphical fixes for smooth lighting effects, making the game run better while still applying a healthy amount of optimization.
  • Smooth lighting for fluids and other special blocks.
  • Smooth biome blending for blocks and fluids, providing greatly improved graphical quality that is significantly less computationally intensive.
  • Animated textures which are not visible in the world are not updated, speeding up texture updating on most hardware (especially AMD cards.)

… and much more, this list is still being written after the initial release.

This mod boasts wide compatibility with the Fabric mod ecosystem when compared to other mods and doesn’t compromise on how the game looks, giving you that authentic block game feels.

If you’re coming from Optifine, you can generally expect a significant improvement to performance over it, but you’ll be missing some small features while the Fabric community builds other free and open-source alternatives. Sodium and Optifine are incompatible with one another. You must pick one.

You can find more comparisons for various hardware configurations, such as:

Spoiler

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Intel i5-7200U @ 2.5GHz / Intel HD 620 (37->69fps)

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Intel i7-3770 @ 4.0GHz / GTX 960 (27->152fps)

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Intel i3-6100 / GTX 750 Ti (10->102fps)

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Intel i7-8700K @ 5.0GHz / RTX 2080 Ti (87->368fps)

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AMD Ryzen 5 2600 / RX 580 (133->586fps)

You can even find some exotic and low-end systems running Sodium:

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Raspberry Pi 4B / 4GB Variant (17->36fps)

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AMD Athlon X2 QL-45 / ATI Radeon 4530 (18->49fps)

Note: Sodium is mostly stable at this point, but it does not yet contain support for the Fabric Rendering API, which a small number of mods currently use. If you try to use these mods with Sodium, your game may crash or behave unexpectedly.

Screenshots:

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Frame rate comparison between vanilla Minecraft and Sodium at a render distance of 32 chunks.

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Requires:

Fabric Modloader

Fabric API

How to install:

  1. Download and Install Minecraft Launcher Vanilla
  2. Download and Install Fabric Installer for Vanilla Launcher
  3. Run recently downloaded .jar file, choose the version you want and press “Install.”
  4. Run Minecraft, select the profile with Fabric installed and press Play
  5. Press Start on Desktop
  6. Choose Run
  7. Type %appdata% onto Run and press Enter.
  8. Goes into Roaming/.minecraft/mods
  9. Put the jar. Files onto the mod folder and run Minecraft.

Sodium Mod 1.18/1.17.1 Download Links:

For Minecraft 1.16.1

Fabric version: Download from Server 1 – Download from Server 2

For Minecraft 1.16.3

Fabric version: Download from Server 1 – Download from Server 2

For Minecraft 1.16.4

Fabric version: Download from Server 1 – Download from Server 2

For Minecraft 1.16.5

Fabric version: Download from Server 1 – Download from Server 2

For Minecraft 1.17.1

Fabric version: Download from Server 1 – Download from Server 2

For Minecraft 1.18

Fabric version: Download from Server 1 – Download from Server 2

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