Same node tree, but result different

Hello. I have made floor with nodes and saved it. But later i have tired to make it again, but i have got diffrent render result. What is wrong?

Then maybe it’s a lighting problem? I see that in the first picture ambient occlusion is activated, but the second shows a (point?) light. The even lighting of ambient occlusion might hide the specular highlights.

In the second also is activated.

I have changed angle of viewport and i am getting other render result.

Make sure its UV mapped correctly.

And for your bump map the image should be non color data.

Honestly if you’re going for photo realism the set up is wrong. You need to add fresnel but even better just use the principled shader. That way you dont have to deal with any of that.

Something like this.

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