DVI-D to VGA Display Lag?

Darksider13 · May 23, 2016

Simple question: I'm looking through a number of converters to go from DVI-D to VGA on a GTX 1080. STRICTLY talking about the DVI-D to VGA conversion, regardless of the converter/adaptor I get, will I experience significant display latency?

I've been looking at a number of reviews on different product pages and lag is only mentioned in large numbers on reviews for certain converters.

This converter seems to have great reviews and no mention of display lag or general issues in any of the reviews. It's also decently priced (well under the $300 mark I see a lot of threads giving that as the expected price to pay).

Should I expect to be delayed about half a second or something regardless of the converter?

junkeymonkey · May 23, 2016

seeing the card are not released or tested as you ask I assume your the Guiney pig on all that ?

its not native with NVidia anymore so ???....... don't you think its sad you pay as much for this card that cant do as much as the same priced older cards could out of the box ?? LOL ... the 900 and below don't have these issue and now you got to pay extra for a converter you ''HOPE'' may work on top of that ??

good one

''with its latest GeForce GTX 1080 graphics card. The card's DVI connector does not have wiring for analog signals. Retail cards won't include DVI to D-Sub dongles, even aftermarket dongles won't work''

https://www.techpowerup.com/222326/nvidia-geforce-gtx-1...

'' the DVI port no longer includes the analog signal, so you'll have to use an active adapter. ''

http://www.techpowerup.com/reviews/NVIDIA/GeForce_GTX_1...

see they reviewed the card but only guess at that ? why not test it in the review to see for sure ??? how hard could it be to hook up some adaptors to see ?? reviews are for promotion not fact of hardware

Darksider13 · May 23, 2016

That was in no way even a relative answer to my question... But thank you for your opinion.

junkeymonkey · May 23, 2016

cant answer ? cards not released to know anything ?? and the reviews out don't and will not cover that as well your on your own no matter . you buy something and hook it up then hope for the best ?

why pay extra for a adaptor that may work ? get a 900 card that will work out of the box

all you got to go by is AMD top cards that only had dvi-d on then to be converted this is the first NVidia has done this on there cards

Dunlop0078 · May 23, 2016

Darksider13 :

Yeah i was thinking the same thing lol. Anyways I have absolutely no idea, my friend used to use an active adapter digital to analog with an AMD card and he never complained about latency. That said I think this is one of those thing were the only way to know for sure is to try it. I have to ask, why do you even need this? Do you prefer CRT monitors or something? If not in my opinion it would be a good idea to upgrade your monitor before you shell out the cash for a 1080.

junkeymonkey · May 23, 2016

i use crt for my primary fps games there -0- lag and dead nuts spot on cant say that for any lcd type monitors

Darksider13 · May 23, 2016

junkeymonkey :

Okay the converter I posted has a stated 1.9 gb/s transfer rate. Dual-Link DVI-D I believe has over 7 gb/s transfer. The card doesn't really matter necessarily considering it'll spit out whatever images it can spit out however fast it can.

The thing to focus on: Is something like 1.9gb/s going to bottleneck at some point with DVI-D's 7 gb/s if you're playing games strictly at 1920x1080 60hz.

Should have put less emphasis on the card itself.

junkeymonkey · May 23, 2016

well i'll go back to what I said above

if I pay 600 bucks for a card it should support all I need out of the box not go hunt down and spend extra money on add on parts in the hopes it will ..LOL...

look at the scores over all

980ti
https://www.techpowerup.com/reviews/Gigabyte/GTX_980_Ti_XtremeGaming/20.html

1080
https://www.techpowerup.com/reviews/NVIDIA/GeForce_GTX_1080/23.html

not really any major gains ? and the 900's are plug and play not hunt down a converter that ''MAY'' work as you expect it to or a new monitor that you really don't need for extra money on top of the cards price with that the 900 cards have better support for your needs over the 1000 cards

Darksider13 · May 23, 2016

@Dunlop

Long story short I've had this specific LCD TV for about 4 years and it's been fantastic to me. It's got a great contrast ratio and goes up to 1080p. The thing was like $100 flat. Sadly the only down side is it has a VGA connector.

I've been running a GTX 780 on it for the past 3 years or so and it's been good to me but I honestly need the higher headroom because of the graphics mods I've been working on for Skyrim (I know lol) and some other games. I haven't gotten good with optimization in graphics programming yet but the 1080 will at least allow me to see what I can do without optimizational technical limitations lol.

RobCrezz · May 23, 2016

Does the TV not have a HDMI port you could use?

A signal converter will have some latency by the nature of what it is doing, but not sure if it will be noticeable or significant.

Darksider13 · May 23, 2016

Right, that's what I assume is that there is going to be latency hands down. The question is how much. I guess my only option is to test it considering I hear reports of people not usually having an issue with the conversion but I mean I'm not a "CS:GO gotta have that 144fps" kinda guy. Just trying to make sure I can have decent response in my games.

I do have an HDMI port but my PS4 currently occupies that slot and I'd like to not have to switch them out all the time.

junkeymonkey · May 23, 2016

some of my hdtv's have d-sub and hdmi but I only use the hdmi but that's through the dvi-I of the card so it will support all the resolutions of the hdtv [pc analog] in monitor use

now I don't know if the hdtv's would still support the pc timings if using the full digital ports ?? never tested or tried it to see ??

PC timing [this tv I'm on now ]
1920 x 1080 @ 60Hz (Native & Max)
1360 x 768 @ 60Hz
1280 x 768 @ 60Hz
1024 x 768 @60Hz
800 x 600 @60Hz

cant say for sure if all them would be supported with out the analog signal you get from using the dvi-I port of the card ??

RobCrezz · May 23, 2016

Darksider13 :

A HDMI Switch might be a simpler and better solution? They arent very expensive and can even be remotely controlled.

Like this for example
https://www.amazon.co.uk/Electronics-TeckNet-Port-HDMI-Switch-Remote/dp/B005SP6ARO/ref=sr_1_7?ie=UTF8&qid=1464017595&sr=8-7&keywords=hdmi+switch

edit: this one even automatically switches to whichever input is active (turned on)

junkeymonkey · May 23, 2016

I feel if youi go dvi-d or hdmi from the card to the hdmi monitor/hdtv you should not need a converter ? but if you had a full analog monitor like a older crt than you would ? now the tv its self may convert to gain the pc timings it shows to support or just the digital res, supported ? ? just don't 100% know , never tried it out

RobCrezz · May 23, 2016

junkeymonkey :

I think your reading is failing you.

I posted a HDMI switch as he said he only has 1 hdmi port on the TV. So he could use that and and just go HDMI -> HDMI.

junkeymonkey · May 23, 2016

and and just go HDMI -> HDMI

maybe ?? then he could just get a 900 card with native dvi-I that works as expected out of the box with out all this rig a mo ro and hope so's

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