which monitor input?

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which monitor input?

Postposted on Mon Apr 23, 2012 10:09 pm

If I were to get a new monitor (IPS of course), which monitor input is best: DVI, HDMI, or DisplayPort?

Also I have seen a lot of newer video cards that come with mini DisplayPort. How can that be resolved with a monitor with a DisplayPort interface?
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Re: which monitor input?

Postposted on Mon Apr 23, 2012 10:27 pm

In another thread, I wrote:The Mini-DisplayPort to DVI active adapter is $29 +2 shipping or $34 +5 shipping. If you get monitors with DisplayPort inputs, a Mini-DisplayPort to DisplayPort cable costs only $6 or $10 (for a long one).
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Re: which monitor input?

Postposted on Mon Apr 23, 2012 10:37 pm

All three are digital, so you should get similar image quality for desktop use and games. DVI doesn't support audio, and AFAIK most DVI displays don't support HDCP either (HDCP is the copy protection scheme that is required to play Blu-Ray at full resolution).

DisplayPort hasn't caught on as quickly as originally anticipated, but is probably the path forward since it is a more advanced (packet based) protocol, and facilitates the use of a much smaller connector.

Simple adapters and cables are available for around $10 (or less) to convert mini-DisplayPort to DisplayPort.
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Re: which monitor input?

Postposted on Mon Apr 23, 2012 10:49 pm

DVI can support HDCP, but some of the earliest monitors with DVI input did not. DVI can support audio, but most implementations do not. HDMI must support both.

DisplayPort > HDMI = DVI, in my opinion.
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Re: which monitor input?

Postposted on Mon Apr 23, 2012 11:14 pm

They are all about the same for most stuff, though displayport and hdmi do support audio. You can find dvi stuff that does support audio, but it it's harder to find.

Bottom line; hdmi or displayport.
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Re: which monitor input?

Postposted on Tue Apr 24, 2012 12:33 am

IIRC, HDMI has bandwidth limitation? There was an issue with one of the connectors, if you wanted to drive FullHD+ screen @ around 120 FPS. Bandwidth was one of the reasons dual link DVI was invented.

EDIT: Here is the link about bandwidth - http://www.emsai.net/projects/widescreen/bandwidth/
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Re: which monitor input?

Postposted on Tue Apr 24, 2012 10:57 am

Madman wrote:IIRC, HDMI has bandwidth limitation? There was an issue with one of the connectors, if you wanted to drive FullHD+ screen @ around 120 FPS. Bandwidth was one of the reasons dual link DVI was invented.
DisplayPort and the latest version of HDMI have more bandwidth than dual-link DVI.
EDIT: Here is the link about bandwidth - http://www.emsai.net/projects/widescreen/bandwidth/
That link shows that the bandwidth requirements for 1080p at 120Hz are less than what is offered by HDMI v1.4, which is presumably what would be on the "new monitor" the OP is planning to get (though it's always worth verifying before purchase, of course).
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Re: which monitor input?

Postposted on Tue Apr 24, 2012 9:19 pm

To answer that question, I was thinking of this monitor. Any thoughts?
Laptop: HP Pavilion 17-e016dx. AMD A8-5550M, 4GB RAM, 750GB HDD, AMD Radeon HD 8550G integrated video, 17.3" display, 1600*900 (HD+) resolution, SD card reader, Windows 8.1 (DL Classic Shell)
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Re: which monitor input?

Postposted on Tue Apr 24, 2012 9:26 pm

It looks good to me. The Asus PA246Q is slightly less expensive than the excellent Dell UltraSharp U2410 (though the latter has been known to go on sale for similar pricing).
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