I have two 1080p monitors that I'm trying to build a dual monitor setup with, they both have 1 HDMI port and 1 VGA port each. I wanted to connect both monitors to each other using a HDMI cable and then use another HDMI cable to connect to the computer because I heard HDMI offers better picture quality than VGA.
But since I only have 1 HDMI port in each monitor, I have to connect the 2 monitors using VGA and use HDMI to connect one of the monitors to the computer. Would this reduce picture quality at all? Will connecting both monitors via HDMI and using VGA to connect to the computer be any better?
Would using a HDMI splitter cable be better?
tl;dr: wanted to use HDMI cables for everything but am forced to also use VGA in combination, will this reduce picture quality?
Answer
You cannot daisy-chain multiple HDMI monitors the way you are thinking!
Both screens must be directly connected to your computer, not each other. Also an HDMI splitter is out of the question too. A splitter would only make the same image come out on both screens, which would be pointless.
You never actually said in your question how many connections your computer has. I assume it has one HDMI and one VGA. If that's the case, your only option is to connect one screen with HDMI and connect the other with VGA.
As far as image quality is concerned, for the average person on an average-sized screen, you would be hard-pressed to tell the difference between HDMI and VGA if you use a short, high-quality VGA cable. At worst, images may appear slightly less sharp and crisp, or there might be a tiny amount of ghosting. There could also be a slight "snowy" pattern in the screen. At best, you will see no difference at all.
Any image quality difference that could be seen between a digital connection and a good analog one would be highly subjective. Obviously HDMI is the better option, but it doesn't sound like you have a choice. One of your screens is going to need VGA.
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