what is the difference between a 4K and 8K television?

Hello and Good Evening Everyone

             Upon noticing the link to the first 8K television at http://www.msn.com/en-us/money/technologyinvesting/sharp-is-selling-the-worlds-first-8k-tv-next-month-for-dollar133000/ar-AAemhXP?ocid=ansmsnmoney11 to be made available to the consumer, several questions come to my mind.  For starters, what is the difference between 4K and 8K televisions?  I believe it has something to do with the resolutions, but, I do not know the details.

            Any shared views on this question will be appreciated.

            Thank you

            George
GMartinAsked:
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☠ MASQ ☠Commented:
Its all to do with the number of dots (pixels) making up the image - more dots = better definition (up to a point at which you can't distinguish it from reality).  The numbers represent roughly how many pixels are in the width of the image.

8K (7680×4320)
4K (4096x2160) - True 4K
DCI 4K (3840x2160) Sold as "4K"
HDTV (1980x1080)


Of course you'll need the input to the screen to be at the same resolution as the screen is capable of displaying for it to work at its best.

You can find more on the Wikipedia pages for 8K TV
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Dirk MareSystems Engineer (Acting IT Manager)Commented:
Not a very technical video, but they do discuss some tech aspects..
Is 8k worth it.

DirkMare
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David Johnson, CD, MVPOwnerCommented:
720p/720i/1080i/1080p/4K/8K are all resolutions .. There isn't that much 4K content available and 8K content is almost non-existent. if you have 1080p the pixels will have to be duplicated 8x (up-scaled).  We then have problems getting data to the screen at this speed.. which means replacing everything in the chain media -> media player -> Super MHL  -> proper cable -> Super MHL in as HDMI simply can't support the data rate. That or use 4 x HDMI 1.3 cables
https://en.wikipedia.org/wiki/HDMI
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GMartinAuthor Commented:
Hello and Good Afternoon Everyone,

            I greatly appreciate the technical insights given along with their respective breakdowns.  Everything shared within this post certainly did make sense and made what would be otherwise a complex topic more understandable.  

            Thanks again.

            George
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