An interesting problem

[M4gician]

I've noticed I can usually play Technic with little to no frame rate issues, but when I try to play Vanilla Minecraft, the frame rate drops to single digits. This may just be because Vanilla doesn't have optifine or something. But I just thought I would see if anyone else has seen this.

[Grindle2000]

Its very easy to test , install optifine in your vanilla minecraft and see if the framerate issues go away .

[M4gician]

I installed Optifine, and my vanilla minecraft is working great now. I didn't realize how much of a difference optifine made!