How much FPS do I get with an RX 580 in Minecraft on average without shaders?

How much FPS do I get with an RX 580 in Minecraft on average without shaders?

Enough.

Depending on which settings, which world.

Look super flat in the ground: 3000fps +

Normal world 16chunks about 200-400 I would say.

Of course it depends on what processor you have in the PC so I have an AMD Ryzen 5 3600 and a GTX 1060 6GB (just as strong as an RX 580) and have about 560 FPS in Minecraft.

Comes on the processor and on the ram to the graphics card does not play a major role

The FPS in Minecraft largely determines the processor. The graphics card limits them at most.

With a good processor you can get around 500 with the GraKa.

Yep