PCI Questions

So I just watched a video where someone wanted to run dual GPUs on a motherboard that only had one PCI-e x16 slot. What he did was he melted off the back of a PCI-e x4 slot and put the GPU in. It did end up working and the computer recognized the card as it was working normally.

Now onto my question. If I were to theoretically do this, would my GPU produce the same amount of KH/s or is there something that the PCI-e x16 has that would make it necessary?

submitted by 73grandam
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