The DVI connector [ benefits ]

chris

Free to Fly
#2
Never used a monitor with a DVI connector.. but I'll be interested to see what people think as my graphics card has a DVI socket and I'm looking into getting a TFT
 

Sazar

F@H - Is it in you?
Staff member
Political User
#3
dvi v/s vga == digital v/s analog..

there are supposed to be some benefits I spose but I have not seen them when setting up my friends new computer...

perhaps when it comes to professional or advanced 3d work it is more apparent... but for day to day usage I have seen no improvements personally...
 
#4
DVI will help you get rid of cable related problems like shadowing for instance. My dad's TFT has some really dreadful shadowing that would probably go away with DVI (which it doesn't support).
 

Krux

Nissan Powered
#5
what zedric said + its suposed to have better image quality but you would never be able to tell at a glance you would have to look real close and study the screen, and well...... who does that?!
 
P

Polypeptide

Guest
#6
To me, I think it's one of those things that if you use DVI for long enough, you definately notice TFT or LCD panels using VGA. I have a 19 inch tft lcd with dvi and I can tell when my monitor's on a vga output, and 9 times out of 10 i can tell when other lcd's aren't using DVI. True, it's a small change, but i've grown to notice it. That's my 2 cents.
 

Taurus

hardware monkey
#7
one thing i don't understand is why all lcd's don't accept dvi input. after all, it's more of a native signal for lcd monitors which are all digital. is it just because equipping the actual dvi port with it's 30+ pins adds like $10 to production costs?
:confused:
 
#8
Originally posted by taurus
is it just because equipping the actual dvi port with it's 30+ pins adds like $10 to production costs?
:confused:
Probably. The analogue interface has to be there anyway for compatibility, so you can't make a cheap DVI-only screen. And two interfaces cost more than one. Not only because of the extra plug.
 

Taurus

hardware monkey
#9
Originally posted by Zedric
Probably. The analogue interface has to be there anyway for compatibility, so you can't make a cheap DVI-only screen. And two interfaces cost more than one. Not only because of the extra plug.
yeah, but i don't think i've seen a 15" lcd yet that even has a dvi plug.

which leads me to believe it might be resolution related as well. i'm thinking the higher the resolution, the more an analog signal be susceptible to evil things like shadowing. so larger lcd's with their 1280x1024 resolution and higher can benefit more from the dvi interface.


back to the basic topic, dvi also provides better color accuracy. in addition, you don't have to worry about centering the screen, though a lot of lcd's have an auto-center feature. :)
 
#12
Maybe alot of LCDs and TFTs dont have DVI connectors because only now are the more accessible graphics cards are coming with them on. By accessible i mean both price and availabilty.
 

Tuffgong4

The Donger Need Food!!!!
Political User
#13
what about plugging Vga monitors into DVI with the adapter any difference or is it back to the you are as good as your weakest part...
 

Taurus

hardware monkey
#14
Originally posted by Tuffgong4
what about plugging Vga monitors into DVI with the adapter any difference or is it back to the you are as good as your weakest part...
when you have a video card with a dvi connector... and it comes with a dvi-to-vga adapter, using that adapter puts the card into vga mode. in other words, the adapter doesn't do any work itself, but rather just cue's the card to outputting a vga signal out of designated pins on it's dvi port. so, exact same quality as a pure vga port.
 

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