Compatibility
Minecraft: Java Edition
26.1.2
1.21.4
1.21–1.21.1
1.20.1
1.19.4
Platforms
Supported environments
Client-side
Links
Tags
Creators
Details
Licensed ARR
Published 2 years ago
OptiPrime is a pre-configured client modpack built to reduce RAM consumption and increase framerates (FPS). It functions as an open-source alternative to OptiFine.
Functional Features
- Pre-assembled: A ready-to-use mod list. Requires no manual searching or testing of individual mods.
- Resource Management: Lowers memory allocation and stabilizes frametimes across different hardware setups.
- Open-Source Base: Compiled entirely from open-source projects, ensuring technical transparency and rapid updates.
- Multi-Loader Support: Actively maintained for NeoForge, Fabric, Forge, and Quilt.
Technical Foundation
Performance is achieved through a specific set of mods (exact list varies by loader and game version):
- Rendering:
Sodium/Embeddiumalters chunk rendering logic to increase FPS. - Memory:
FerriteCoreandModernFixreduce RAM usage and patch vanilla memory leaks. - Culling:
EntityCullingandMoreCullingskip the rendering of unseen entities and blocks to save CPU cycles. - Shaders:
Iris/Oculusprovide native compatibility for shader packs.
Version Support
We maintain the modpack across the following game versions:
| Minecraft Version | Supported Loaders | Status |
|---|---|---|
| 26.1.x | NeoForge, Fabric | 🟢 Active (Frequent updates) |
| 1.21.4 | NeoForge, Fabric | 🟡 Stable / LTS |
| 1.21.1 | NeoForge, Fabric | 🟡 Stable / LTS |
| 1.20.1 | NeoForge, Fabric, Forge, Quilt | 🟡 Stable / LTS |
| 1.19.x & Below | Fabric, Quilt | 🔴 Archived (No longer receiving updates) |
Feedback & Bug Reports
Bug reports, technical suggestions, and direct communication with the developer are handled via our Discord server.


