this post was submitted on 17 Nov 2023
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This isn't a tech support post, more like a rant post. On the 7800xt a common issue is that if you run a hdmi monitor and a displayport one you get constant greenscreens unless you lower your clocks (which for some doesn´t even work). Thing is, that this was reported months ago and no solution has been made from AMD to fix this. I am very pissed off by this, because I was pretty sure that driver issues were a thing of the past, and if there were some issues they would get fixed at launch... (It isn´t windows only, the green screen comes in arch too) well nah, amd doesn´t learn. Another thing that makes me worry is that AMD doesn´t look like they will catch up to nvidia anytime soon, hell, FSR3 is still not released...

Was the 4070 ti the better choice? At this point I don´t know.

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[–] [email protected] 1 points 10 months ago

You're not wrong, they've already abandoned my VEGA 64, lol.

[–] [email protected] 1 points 10 months ago

its the smdip

[–] [email protected] 1 points 10 months ago

I'm using all 4 outputs on my 7900XTX (3 DP, 1 HDMI) and do not ever have this happen. Make sure you're using good cables, cheap DP/HDMI cables cause a maddening amount of issues.

[–] [email protected] 1 points 10 months ago

Hmm happens in 2 completely different OSs that are definitely using completely different driver builds and code to interact with the card. Clocks are not the issue.

I call out the issue is actually with the monitor especially if it's a green screen. If possible try a different monitor. or a different refresh. Most of the issues people are seeing like this or issues with power draw on idle, flickering refresh, etc. are due to monitor manufactures fudging the specs and actually running the monitor outside of VESA standards.

The other thing to check to see if your monitor has a firmware or driver/profile update.

Heck it can even be a subpar hdmi/Displayport cable.

[–] [email protected] 1 points 10 months ago

Lol, by all means, don’t troubleshoot at all.

[–] [email protected] 1 points 10 months ago

I'm still waiting for them to address whatever it is that turns the preview window (and subsequent renders) in Vegas Pro 15 a fetching shade of blue.

Or would that have simply been cured with a Reboot?

[–] [email protected] 1 points 10 months ago (1 children)

Not sure I've ever heard of this one before, and I'm using two DisplayPort monitors and one HDMI on my 7800 XT.

You could try asking u/AMD_Vik to see if he knows anything about it, he's very knowledgeable and might be able to help.

[–] [email protected] 1 points 10 months ago

Hey, I don't see the body content of this post but I think I know what they're referring to. We're actively investigating this but we've not reproduced it internally just yet.

https://community.amd.com/t5/graphics-cards/7800-xt-crashing-with-dual-monitor-setups-dp-hdmi-green-screen/td-p/636049

[–] [email protected] 1 points 10 months ago

I feel like this is one of those HW faults that can be hidden to an extent by the driver updates or get fixed in later revisions. But I might be completely wrong, I just thought it had a faint smell of the 5700XT

[–] [email protected] 1 points 10 months ago

The Nvidia glazing is crazy by some of y'all. Any attempt at troubleshooting? Replacing cables? Using display port for both monitors? Also the 7800 XT doesn't compete with the 4070ti that would be the 7900 XT. Only issue I've had with my GPU is the custom fan curve reset and that was a windows issue that has been resolved I use 2 monitors both with display port and no issues.

[–] [email protected] 1 points 10 months ago

I'd just return / RMA it. No way I'd go to the point of downclocking a card that's supposed to work flawlessly out of the box with their given manufacturer specified clocks. I'm personally tired of beta testing for big tech companies. It's the only way they'll learn anyway.

[–] [email protected] 1 points 10 months ago

I love the 7800xt... but I'm not using dual monitors. Not a single crash

[–] [email protected] 1 points 10 months ago (1 children)

AMD just doesn´t care about driver issues it looks like

Constant driver updates seems to negate this.

you get constant greenscreens unless you lower your clocks

Many people in the forum are saying the problem is when the card is overclocked. To quote one poster "Adrenaline software max freq was 2565MHz when AMD itself says max freq is 2430MHz".

the green screen comes in arch too

Why are you assuming a driver issue, this could be bad VRAM.

AMD doesn´t look like they will catch up to nvidia anytime soon

What does this mean?

FSR3 is still not released

It has already started coming to games.

[–] [email protected] 1 points 10 months ago

It was with Vram for me on rx 7800xt i put 2600mhz fast timming. This was the issue now after using 7800xt default without any oc, I didn't had any issue

[–] [email protected] 1 points 10 months ago

Update: GPU crashed again, welp

[–] [email protected] 1 points 10 months ago

Drivers issues are the amd heritage

[–] [email protected] 1 points 10 months ago

First i'm hearing of anything like that.. sounds like a gpu issue..

got plenty of people using dual and triple displays on 7800xt some of which are using DP ~> HDMI as well to connect their displays.

[–] [email protected] 1 points 10 months ago

I had the same exact problem with the 7800 xt. One monitor connected with HDMI and the other one with DP, this wasn't a issue with rtx3070. Just buy a DP cable and don't use hdmi, that solved the problem for me.

[–] [email protected] 1 points 10 months ago

Get better cables and stop jumping to conclusions about what's causing your problems.

[–] [email protected] 1 points 10 months ago

Even 4070 is a better choice

[–] [email protected] 1 points 10 months ago

I got a secondhand rx 6800 to my b550 + 5800X3D combo and had constant driver crashes for a month, which got increasingly worse as time went on. Trying something different every other day or so.. finally they released a new bios and driver close together and they seemingly solved it.
Prior that on a b350 + R5 1600 combo the same card caused black screens, it took 2 weeks of tinkering and a Reddit post to make it stable on one DP monitor and had to temporarily abandon my main HDMI one.
In the recent years my coworkers purchased 5700XT, 6600 XT and 7800 XT, all because of my recommendations and all but the 6600 user experienced problems persistent across several driver versions.
I just can't recommend RDNA cards anymore...

[–] [email protected] 1 points 10 months ago

I run a 7800XT with a DP and HDMI, I have no issue at all. I suggest you find out what the real cause is. likely a conflict and not the driver.

[–] [email protected] 1 points 10 months ago

They dont. If they did they wouldnt be amd then

[–] [email protected] 1 points 10 months ago

Well, after years of Nvidia I replaced my 3070 with a 7900XT recently.

I wiped old drivers with DDU and it works perfectly fine since I installed it a month ago. No issues.

[–] [email protected] 1 points 10 months ago

Don't event need to read further than 2nd sentence...

How many times have we seen this already?

Dude. Replace. Your. Cable.