About
Ultimate Performance is a simple Forge Modpack that can help your Minecraft to reach more FPS, less Stutter/Lag Spike, improve World Loading Times, Game Startup Times, And more.
How to Install?
Please follow official Modrinth documentation above (or click here).
Comparison
Hardware
Tested on HP Laptop 15s-e2000 - AMD Ryzen 5 5500U, 16GB RAM, Radeon Graphic(On Board)
Software
Minecraft 1.19.2 with Java Azul Zulu 17.0.6+10(LTS) JRE, 4GB of RAM Allocated, ZGC Garbage Collector
NOTE: Results is vary, Depending on your Hardware, OS, Java Runtime, Allocated Memory, And more...
| Test | Results (Vanilla) |
Results (Ultimate Performance) |
|---|---|---|
| Game Launching Time NOTE: measuring from start to the Main Menu |
33 Secs | 18 Secs |
| Creating a New World | 46 Secs | 19 Secs |
| Join a existing World | 6 Secs | 3-4 Secs |
Changing your Java runtime and JVM flags (Advanced)
You only need these two flags for modern versions of Java.
-XX:+UseZGC -XX:+ZGenerational
Learn more here https://exa.y2k.diy/garden/jvm-args/
Mods List
Click Me!- Canary by AbdElAziz
- Cull Leaves by Motschen
- Does Potato Tick by Kasualix
- Entity Collision FPS Fix by CorgiTaco
- Entity Culling by tr7zw
- Fastload by StockiesLad
- FerriteCore by malte0811
- ImmediatelyFast Reforged by CCr4ft3r
- Let Me Despawn by frikinjay
- Memory Leak Fix by fxmorin
- ModernFix by embeddedt
- Reforgium by Asek3
- Rhodium by theoclouds
- Rubidium by Asek3
- Rubidium Extra by dimadencep
- Smooth Boot (Reloaded) by AbdElAziz
- Starlight by spottedleaf
- TexTrue's Rubidium Options by TexTrue
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.11
- 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 Ultimate Performance 1.21.11-0.1.mrpack
- Download size: 18 KB
- Download link checked 28 Aug 2026 — working
These come from our own check of the pack file, not from the source page.