
Fastium (Ultra Fast)
Important There is a VULKAN version that replaces some mods, THIS VERSION IS AN EXPERIMENTAL VERSION THAT USES VULKAN INSTEAD OF SODIUM, IT INCREASES FPS…
⬇ Download on Modrinth
https://www.youtube.com/watch?v=BbkAQ_vHNtA
Important
There is a VULKAN version that replaces some mods, THIS VERSION IS AN EXPERIMENTAL VERSION THAT USES VULKAN INSTEAD OF SODIUM, IT INCREASES FPS BUT HAS NO SHADER SUPORT AND IT MAY NEED RELATIVE NEW GPUS
In beta versions there may be some unactive mods, if you enable them your game may crash
Older versions may have some utility or decoration modifications, while newer ones only focus on performance. These changes are made from 1.21
What?
Incredibly Optimized experience with some non game chanaging stuff, zoom, bug fixes and too many FPS
Why?
Made by an optimization paranoic for optimization paranoics
How much performance?
Up to 1500 FPS at 32 render distance
Spoileron an rtx 3060 at 1080p with opened browser and windoed mode
It includes zoom, some hunger and shulkerbox info, texture and model compatibilizers, and borderless fullscreen.
Shaders and stuff?
It includes shader loader and resource pack compatibilizers for resource packs with models or animations
THE MOD CONTAINS A DYNAMYC LIGHT THAT MAY LAG ON BAD DEVICES, YOU CAN UNABLE IT FROM THE GAME OR DELETING THE MOD LAMBDYNAMICLIGHTS
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.4
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
- Downloads as Fastium (Ultra Fast) 1.5.0.mrpack
- Download size: 26 KB
- Download link checked 29 Aug 2026 — working
These come from our own check of the pack file, not from the source page.