Compatibility
Minecraft: Java Edition
1.21.1
Platforms
Supported environments
Client-side
Tags
Creators
Details
Licensed MIT
Published last month
⚡ 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
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- ✅ Reduces CPU and RAM usage — your system runs cooler and more efficiently
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- ✅ Stabilizes your FPS — keeps it consistent instead of spiking up and down
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- ✅ Scales better under load — lets you push further distances, bigger worlds, more entities without lag
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- ✅ Faster world loading — chunks generate and load much quicker
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- ✅ 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
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- ImmediatelyFast — Speeds up immediate mode rendering
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- Entity Culling — Skips rendering entities you can't see
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- More Culling — Extends culling to more block types
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- Enhanced Block Entities — Faster rendering for chests, signs, etc.
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- Particle Core — Optimized particle rendering
🧠 CPU & Memory Optimizations
- Lithium — Deep game logic optimizations
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- FerriteCore — Cuts RAM usage significantly
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- ModernFix — Fixes performance issues in the base game
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- BadOptimizations — Additional micro-optimizations
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- ThreadTweak — Better multi-core CPU usage
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- Faster Random — Faster random number generation
🌍 World & Chunk Optimizations
- Ksyxis — Faster world loading (removes spawn chunks)
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- Chunky — Pre-generates chunks to avoid in-game freezes
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- ScalableLux — Async lighting engine
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- Alternate Current — Optimized redstone
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- Structure Layout Optimizer — Faster structure generation
🎮 Gameplay Performance
- Dynamic FPS — Reduces resource usage when tabbed out
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- FastQuit — Instant world quit, no waiting
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- Let Me Despawn — Smarter mob despawning
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- Clumps — Groups XP orbs to reduce entity count
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- Does It Tick? — Controls which entities actually tick
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- Get It Together Drops — Merges item drops
🌐 Network & Multiplayer
- Krypton — Network stack optimization
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- Very Many Players — Designed for high player count servers
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- Packet Fixer — Fixes oversized packet issues
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- Raknetify — Replaces TCP with RakNet (better ping)
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- Fast IP Ping — Faster server list ping
🛠️ QoL & Misc
- No Telemetry — Disables Mojang data collection
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- Debugify — Fixes known Minecraft bugs
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- Language Reload — Faster language switching
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- Remove Reloading Screen — Resource packs load in background
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- Shut Up GL Error — Removes harmless OpenGL spam
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- FastChest — Faster chest rendering
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- Sodium Extra — Additional Sodium settings
⚙️ System Requirements
- Minecraft: 1.21.1
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- Mod Loader: Fabric
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- Java: 21+
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- RAM: 2GB minimum, 4GB recommended
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- 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
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- Enter a village with 50 mobs → no freeze
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- Join a server with 100+ players → playable
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- Open a large chest room → no stutter
Made with care for the Minecraft community. All included mods belong to their respective authors.


