This modpack has almost all the features of optifine, but has more optimizations. the full list of optimizations and supported OptiFine features can be seen below

🚀 Optimization and tests

Optimization

Light
Shaders
Instant language change.
Reducing the consumption of RAM.
Minecraft network stack optimization.
Performance of block entity rendering
Doesn't render blocks/entities you can't see.
Optimization of game physics, mob AI, block ticking, etc.
Automatically reduces the speed at which minecraft renders when it's not focused.

Test FPS

These are tests of my modpack compared to a clean Optifine installation. If you need more detailed information about the tests and comparisons, you can look at my Google Sheet

OptiFabric