
Modrinth · Minecraft modpack
Ultimate FPS MAX
⚡ No magic FPS boost — but zero freezes, zero stutters, zero lag. 45+ optimization mods that stabilize your game, cut CPU/RAM usage and keep everything smooth even at 32+ chunk render distance. Fabric 1.21.1 🚀
Quick answer
Which Ultimate FPS MAX release should I use?
Ultimate FPS MAX 1.0.0 is a complete pack release for 1.21.1 with Fabric 0.18.6. Install it as its own launcher instance. If the creator publishes a separate server file, make sure it names this exact pack release. 43 mods in this pack file.
Pack setup
How should I set up Ultimate FPS MAX for players and a server?
Use Ultimate FPS MAX 1.0.0 as the pack version. Install the pack as its own launcher instance. The creator’s listing does not name a separate server file, so check the release notes before setting up a dedicated server. Do not upload the ordinary client folder blindly.
A pack is a matched client and server setup, not one mod with an install-side label. Keep its release, loader, manifest and overrides together.
These numbers come from the pack file you chose. “Not labelled” means we don’t know which side it belongs on—not that it is safe everywhere. The file count is not a RAM estimate.
What are the server requirements for Ultimate FPS MAX?
Ultimate FPS MAX 1.0.0. Change the pack release and its contents or setup may change too.
The selected pack release is Ultimate FPS MAX 1.0.0. That file is for Minecraft 1.21.1 with Fabric 0.18.6. It contains 43 mod projects. The creator’s listing does not name a separate server file. Check their notes before using one, and do not upload an ordinary client folder or rebuild the pack mod by mod. A file count cannot tell us the right RAM, CPU or storage; size the server for the players and world you actually run.
About this project
What kind of pack is Ultimate FPS MAX?
⚡ Ultimate FPS MAX — Smooth Performance Modpack
Minecraft 1.21.1 | Fabric | 45+ Mods
🎯 What does this modpack actually do?
Important: This modpack does not magically double your FPS counter. If you already get 120 FPS in vanilla Minecraft, you will still get ~120 FPS with this pack.
What it does do:
- ✅ Eliminates freezes and stutters — no more sudden drops when loading new chunks
- ✅ Reduces CPU and RAM usage — your system runs cooler and more efficiently
- ✅ Stabilizes your FPS — keeps it consistent instead of spiking up and down
- ✅ Scales better under load — lets you push further distances, bigger worlds, more entities without lag
- ✅ Faster world loading — chunks generate and load much quicker
- ✅ Better multiplayer performance — reduced ping impact, smoother experience on servers
🔍 Who is this for?
| Situation | Benefit |
|---|---|
| You get freezes every few seconds | Gone ✅ |
| You want to use 32+ chunk render distance | Now possible ✅ |
| You play on large multiplayer servers | Much smoother ✅ |
| Your CPU/RAM is under heavy load | Significantly reduced ✅ |
| You have a low-end PC | More playable experience ✅ |
| You already have 200+ FPS | Stays stable instead of fluctuating ✅ |
📦 What's included (45+ mods)
🖥️ Rendering Optimizations
- Sodium — Complete rendering rewrite, the foundation of this pack
- ImmediatelyFast — Speeds up immediate mode rendering
- Entity Culling — Skips rendering entities you can't see
- More Culling — Extends culling to more block types
- Enhanced Block Entities — Faster rendering for chests, signs, etc.
- Particle Core — Optimized particle rendering
🧠 CPU & Memory Optimizations
- Lithium — Deep game logic optimizations
- FerriteCore — Cuts RAM usage significantly
- ModernFix — Fixes performance issues in the base game
- BadOptimizations — Additional micro-optimizations
- ThreadTweak — Better multi-core CPU usage
- Faster Random — Faster random number generation
🌍 World & Chunk Optimizations
- Ksyxis — Faster world loading (removes spawn chunks)
- Chunky — Pre-generates chunks to avoid in-game freezes
- ScalableLux — Async lighting engine
- Alternate Current — Optimized redstone
- Structure Layout Optimizer — Faster structure generation
🎮 Gameplay Performance
- Dynamic FPS — Reduces resource usage when tabbed out
- FastQuit — Instant world quit, no waiting
- Let Me Despawn — Smarter mob despawning
- Clumps — Groups XP orbs to reduce entity count
- Does It Tick? — Controls which entities actually tick
- Get It Together Drops — Merges item drops
🌐 Network & Multiplayer
- Krypton — Network stack optimization
- Very Many Players — Designed for high player count servers
- Packet Fixer — Fixes oversized packet issues
- Raknetify — Replaces TCP with RakNet (better ping)
- Fast IP Ping — Faster server list ping
🛠️ QoL & Misc
- No Telemetry — Disables Mojang data collection
- Debugify — Fixes known Minecraft bugs
- Language Reload — Faster language switching
- Remove Reloading Screen — Resource packs load in background
- Shut Up GL Error — Removes harmless OpenGL spam
- FastChest — Faster chest rendering
- Sodium Extra — Additional Sodium settings
⚙️ System Requirements
- Minecraft: 1.21.1
- Mod Loader: Fabric
- Java: 21+
- RAM: 2GB minimum, 4GB recommended
- GPU: Any (no RTX/ray tracing required)
📊 Real-world impact
The real gains show up when you push your game harder:
- Run 32 chunk render distance → stays smooth
- Enter a village with 50 mobs → no freeze
- Join a server with 100+ players → playable
- Open a large chest room → no stutter
Made with care for the Minecraft community. All included mods belong to their respective authors.
Project description from Modrinth.
Mods in Ultimate FPS MAX 1.0.0
Open any mod on Modpacks.ch to check its files and dependencies.
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Ultimate FPS MAX by Minecraft version and loader
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Recent files
Ultimate FPS MAX versions and loaders
Looking for an older file? The official Modrinth project page is in Resources.