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Forums » Tech and Talk » Technical » Computer Hardware Discussion/Reviews » DVI vs. HDMI
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Ctrl Alt Del
Premium
join:2002-02-18

reply to DKS
Re: DVI vs. HDMI

said by DKS See Profile :

said by w0g See Profile :

said by DKS See Profile :

Not really. The monitor may render the signals slightly more effectively. At least that is how it appears.
Yep, that's a placebo alright.. signals the same, there's no reason processing would be any different.
Yet it appears sharper. The monitor I'm using is a Samsung T220HD.
Some monitors allow you to use different settings for each input. Things like image adjustment, color correction, motion enhancement, and any other 'feature' that you can toggle using the on screen display will alter the image before it is displayed on your screen. Some monitors have a 'Game Mode' that turns every filter feature off, giving you the purest image from your video card. DVI and HDMI use the same processing chips inside your monitor, so this difference that you see could be coming from the DVI input applying filters while the HDMI input is not altering the input. Likewise, video cards can have different image filters for each monitor output. Same situation there.

But the video signals that travel down the DVI and HDMI cables are electrically the same. There should be no difference between DVI and HDMI for video.
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DKS
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reply to w0g
said by w0g See Profile :

said by DKS See Profile :

Not really. The monitor may render the signals slightly more effectively. At least that is how it appears.
Yep, that's a placebo alright.. signals the same, there's no reason processing would be any different.
Yet it appears sharper. The monitor I'm using is a Samsung T220HD.
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w0g
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reply to DKS
said by DKS See Profile :

Not really. The monitor may render the signals slightly more effectively. At least that is how it appears.
Yep, that's a placebo alright.. signals the same, there's no reason processing would be any different.
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howie
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join:2003-04-08
Little Falls, NJ


1 edit
reply to nnaarrnn
said by nnaarrnn See Profile :

said by whymeintrouble See Profile :

if i recall correctly there are couple types of DVI.
DVI-A
DVI-D
DVI-I

i'm not really familiar with 'I'.
'D' is for both audio and video, while 'A' is video only
Wrong. DVI-I is analog and digital, and DVI-D is only digital, while DVI-A is analog only.

THERE IS NO DVI with audio unless converted to HDMI with an audio decoder wired into extra pins on the DVI port. That's what they came up with HDMI for.

»en.wikipedia.org/wiki/Digital_Vi···nterface
Thanks... I was just curious how they got audio to my HDMI connector through the DVI port.


DKS
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reply to nnaarrnn
said by nnaarrnn See Profile :

said by DKS See Profile :

said by kusiobache See Profile :

EDIT: TO make it short, I guess what I'm saying is... Do DVI cables support 1920 X 1080 resolutions, and also higher resolutions and/or Dual Monitors?
In short, yes. There IS a subjective difference between DVI output and HDMI output. On my Samsung 220HD monitor the HDMI output to screen is much sharper through my EVGA GTX260 than the DVI output. Well worth the cost of the cable (which doesn't jiggle). Your monitor and video card may give you different results.
This is called the placebo effect.
Not really. The monitor may render the signals slightly more effectively. At least that is how it appears.
--
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nnaarrnn

join:2004-09-30
Nitro, WV

1 edit
reply to kusiobache
DVI can support up to 3840x2400 on a single link.

nnaarrnn

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reply to DKS
said by DKS See Profile :

said by kusiobache See Profile :

EDIT: TO make it short, I guess what I'm saying is... Do DVI cables support 1920 X 1080 resolutions, and also higher resolutions and/or Dual Monitors?
In short, yes. There IS a subjective difference between DVI output and HDMI output. On my Samsung 220HD monitor the HDMI output to screen is much sharper through my EVGA GTX260 than the DVI output. Well worth the cost of the cable (which doesn't jiggle). Your monitor and video card may give you different results.
This is called the placebo effect.

nnaarrnn

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2 edits
reply to whymeintrouble
said by whymeintrouble See Profile :

if i recall correctly there are couple types of DVI.
DVI-A
DVI-D
DVI-I

i'm not really familiar with 'I'.
'D' is for both audio and video, while 'A' is video only
Wrong. DVI-I is analog and digital, and DVI-D is only digital, while DVI-A is analog only.

THERE IS NO DVI with audio unless converted to HDMI with an audio decoder wired into extra pins on the DVI port. That's what they came up with HDMI for.

»en.wikipedia.org/wiki/Digital_Vi···nterface


howie
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join:2003-04-08
Little Falls, NJ

reply to whymeintrouble
said by whymeintrouble See Profile :

if i recall correctly there are couple types of DVI.
DVI-A
DVI-D
DVI-I

i'm not really familiar with 'I'.
'D' is for both audio and video, while 'A' is video only
Thanks for the info!


Jahntassa
What, I can have feathers
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join:2006-04-14
Conway, SC

reply to EUS
said by EUS See Profile :

Doesn't HDMI have DRM capabilitie(s) built-in as well?
Yes, it's called HDCP, and since DVI and HDMI carry the same video signal, both are compatible.


EUS
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reply to kusiobache
Doesn't HDMI have DRM capabilitie(s) built-in as well?

whymeintrouble
Premium
join:2001-06-20
Woodridge, IL
reply to howie
if i recall correctly there are couple types of DVI.
DVI-A
DVI-D
DVI-I

i'm not really familiar with 'I'.
'D' is for both audio and video, while 'A' is video only


howie
Premium,MVM
join:2003-04-08
Little Falls, NJ


2 edits
reply to kusiobache
My HDMI cables stay put. I guess if the cat gets a paw stuck on the cable, or someone isn't careful when reaching behind equipment, they might pop out. A little Krazy Glue applied to both sides on the HDMI plug will do the trick if they do pop out by themselves.

[EDIT] I was just curious about this... When I use the DVI to HDMI adapter on my video card, audio is carried over the HDMI cable to my TV. Is DVI capable of carrying audio signals and it's just not utilized?


DKS
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reply to Somnambul33t
said by Somnambul33t See Profile :

said by DKS See Profile :

said by kusiobache See Profile :

EDIT: TO make it short, I guess what I'm saying is... Do DVI cables support 1920 X 1080 resolutions, and also higher resolutions and/or Dual Monitors?
In short, yes. There IS a subjective difference between DVI output and HDMI output. On my Samsung 220HD monitor the HDMI output to screen is much sharper through my EVGA GTX260 than the DVI output. Well worth the cost of the cable (which doesn't jiggle). Your monitor and video card may give you different results.
then there's a further issue somewhere. HDMI is DVI, but with audio and a condensed form factor. also, since theyre both digital, there isnt really a way for one to have a better picture based on the cable. digital is digital, it's either 100% indicitive of the source or it's 0% (static/black/etc). maybe not the entire screen, but the image is either fully on and full source quality or it's off.
Not really. As I said, it's a subjective issue. I have a sharper image with HDMI vs. DVI.
--
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pandora
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 reply to kusiobache
If I understand correctly DVI is and HDMI are both digital. I have a monitor that supports both DVI and HDMI as does my video card. I prefer DVI as it is more secure. On my HDMI TV sets I've had an occasional loose HDMI cable cause signal problems. Only friction holds HDMI cables in place.
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Somnambul33t
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reply to DKS
said by DKS See Profile :

said by kusiobache See Profile :

EDIT: TO make it short, I guess what I'm saying is... Do DVI cables support 1920 X 1080 resolutions, and also higher resolutions and/or Dual Monitors?
In short, yes. There IS a subjective difference between DVI output and HDMI output. On my Samsung 220HD monitor the HDMI output to screen is much sharper through my EVGA GTX260 than the DVI output. Well worth the cost of the cable (which doesn't jiggle). Your monitor and video card may give you different results.
then there's a further issue somewhere. HDMI is DVI, but with audio and a condensed form factor. also, since theyre both digital, there isnt really a way for one to have a better picture based on the cable. digital is digital, it's either 100% indicitive of the source or it's 0% (static/black/etc). maybe not the entire screen, but the image is either fully on and full source quality or it's off.
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DKS
Damn Kidney Stones
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reply to kusiobache
said by kusiobache See Profile :

EDIT: TO make it short, I guess what I'm saying is... Do DVI cables support 1920 X 1080 resolutions, and also higher resolutions and/or Dual Monitors?
In short, yes. There IS a subjective difference between DVI output and HDMI output. On my Samsung 220HD monitor the HDMI output to screen is much sharper through my EVGA GTX260 than the DVI output. Well worth the cost of the cable (which doesn't jiggle). Your monitor and video card may give you different results.
--
Need-based health care not greed-based health care.

kusiobache

join:2009-06-12
Grayslake, IL
reply to Jahntassa
trust me, I know from the HDMi cable I bought for my ps3 lol; any slight movement has the chance of just slightly disconnecting the HDMi cable. THen I have to redo all my setting =/


Jahntassa
What, I can have feathers
Premium
join:2006-04-14
Conway, SC
reply to kusiobache
HDMI and DVI cost about the same if you buy them from the right place, like Monoprice.com

Really the only thing I have against them is that you can't secure the connections physically. You're counting on friction to hold it in place.

kusiobache

join:2009-06-12
Grayslake, IL
reply to Jahntassa
Thanks, that's all I wanted to know. It's just that lately everyone I know has been going to HDMI cables. I mean sure they are better, but they also cost alot more and have their own downfalls.

Thanks again.
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