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OptiPrime

Modpack

A pre-configured, client-side optimization modpack designed to maximize FPS and drastically reduce RAM usage. It serves as a modern, stable, and open-source alternative to OptiFine with active community support.

Type

Modpack

Modrinth Downloads

9,726

Modrinth ID

HViTo12p

Last Updated

Oct 17, 2026

Description

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 / Embeddium alters chunk rendering logic to increase FPS.
  • Memory: FerriteCore and ModernFix reduce RAM usage and patch vanilla memory leaks.
  • Culling: EntityCulling and MoreCulling skip the rendering of unseen entities and blocks to save CPU cycles.
  • Shaders: Iris / Oculus provide native compatibility for shader packs.

Version Support

We maintain the modpack across the following game versions:

Minecraft Version Supported Loaders Status
26.2 NeoForge, Fabric 🟢 Active (Frequent updates)
26.1.2 NeoForge, Fabric 🟢 Active
1.21.4 NeoForge, Fabric 🟡 Stable / LTS
1.21.1 NeoForge, Fabric 🟡 Stable / LTS
1.20.1 NeoForge, Fabric, Forge, Quilt 🟡 Stable / LTS
1.19.4 Fabric 🟡 Stable / LTS
1.16.5 & 1.12.2 Forge, Fabric 🟡 Stable / LTS
1.19.2 & Below Fabric, Quilt 🔴 Not supported

Feedback & Bug Reports

Bug reports, technical suggestions, and direct communication with the developer are handled via our Discord server.

Compatibility

Mod Loaders

Forge Quilt Fabric Neoforge

Game Versions

1.12.2 1.16.5 1.19.4 1.20.1 1.21 1.21.1 1.21.4 26.1.2 26.2

Recommended Gear

Affiliate

Hardware and extras that pair well with this modpack.

As an Amazon Associate I earn from qualifying purchases.

Screenshots

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External Resources