Oddly low FPS in Minecraft with an RX 570 and an i3 6100

g_____g

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Jul 30, 2015
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I've looked around many forums, and most of them blame poor FPS in Minecraft due to a weak processor.

I get around 90-120FPS on Minecraft, which isn't really a huge complaint, but occasionally it will dip below 75, which is noticeable to me with my refresh rate of 75hz.

The main thing that is bugging me is the fact that my laptop (i7 6500U & GT 940M) was able to achieve the same framerate. In other games though, there is a HUGE difference in framerates between the two machines.

I really want to blame the card here, but I really don't know if that's the issue. People have tested the game with a GTX 1050 and the same processor, and are nearly doubling my framerates.

So, my question is, what are some of the possible issues that could be causing Minecraft to run at such a low framerate? I've looked through Radeon Settings and a few forums, but I've had no luck in finding a solution.

Thanks in advance.
 
Solution
Reduce the graphical settings and the resolution temporarily. If framerate still/dips improve, the issue is to do with your GPU. If not, it is likely due to your CPU.

If it's a problem with your GPU, you could overclock graphics card, decrease graphical settings, decrease resolution, and possibly Optifine.

If it's to do with your CPU, you can decrease draw distance.

Rexper

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Apr 12, 2017
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Reduce the graphical settings and the resolution temporarily. If framerate still/dips improve, the issue is to do with your GPU. If not, it is likely due to your CPU.

If it's a problem with your GPU, you could overclock graphics card, decrease graphical settings, decrease resolution, and possibly Optifine.

If it's to do with your CPU, you can decrease draw distance.
 
Solution

Sedivy

Estimable
Minecraft is java based and very CPU heavy. Your previous rig had a much stronger cpu so yes it should be easily able to keep up or even do better than the new rig.
Graphics card will come into play if you start using shaders and such. So no, I think the fps is about where you should expect it. You can smooth it out a bit in settings, but that's mostly by capping the whole thing at lower fps, or lowering your settings.
75 fps should actually be smooth, without you noticing any issues. The problem is when fps drops suddenly, even when it's high, it can be noticeable, hence why capping is useful.