HDMI vs DVI – Is there a Difference?
When I was working as an engineer for home theater installation company, one of the most common questions that I was asked was: What is the difference between HDMI and DVI? So I decided to make a whole blog dedicated to the question! 
Answer:
For most applications, DVI and HDMI are both the same picture quality wise. The only difference is the connection type and the fact that HDMI can carry both video and audio.
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However, if you plan on using extremely high resolutions (greater than 1080p), new High Speed HDMI Cables can support 4k x 2k resolutions which translates to resolutions of 3840×2160 and 4096×2160. DVI can also support resolutions greater than 1080p, but with a maximum of 2560×1600.
HDMI stands for High-Definition Multimedia Interface and it is a digital audio & video standard that is capable of handling uncompressed digital data. HDMI can transmit both digital video and Dolby Digital and DTS digital audio in a single cable.
DVI to HDMI Cable
DVI stands for Digital Visual Interface and displays very high quality video on digital display devices such as digital LCD monitors and digital projectors. Like HDMI, DVI can also carry uncompressed digital video data from the source to the display. In fact, the image quality is exactly the same as HDMI. The only disadvantage DVI has over HDMI is the fact the it doesn’t carry audio. But you might want to keep reading…
Digital vs Analog
Unlike analog cables, digital cables like HDMI and DVI produce the same quality video across the board no matter what the price or brand is. This is because digital cables transmit 1s and 0s between the source and the TV in order to produce beautiful quality video (video and audio for HDMI). It is very unlikely that the TV will mistake a 0 and a 1 causing some kind of error. So as long as your HDMI or DVI cable is working, you can know that you are getting flawless audio and video.
Also I should let you know that retail store cables are of no higher quality than low priced cables you can find online. They all come from the same factories, but the more expensive cables are marketed at high profit margins.
A lot of people have been asking me where the best place to buy cables is. The best service and prices on cables can be found at