So I'm trying to run shaders on my computer, along with optifine for 1.8. For some reason I only stay at 20fps and no matter what I do(change optifine settings, change nvidia settings) I always stay at 20fps. I have a GeForce 840m graphics card and I've seen people with lower power versions of that GeForce card that can get 60 fps on Minecraft with shaders. Hopefully someone can give me a solution here.
This is really getting annoying.