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Dual GPU for triple monitor?

Caldezar

Caldezar

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I've been having some odd issues running triple displays from my 4080. Thinks like Twitch streams not running on one monitor if I'm running a game on another, or DRM videa having playback issues on my 3rd display, or some games having odd issues if they're in ''windowed full screen' but ANYTHING is open on separate displays. Mostly these have been relatively minor, but they're getting annoying. It's especially frustrating that going down to two displays seems to mostly eliminate the issues.

So my question surrounds running a second GPU (Like a Quadro T1000) as a second GPU for monitors 2 and 3. Has anyo0ne done this? Will Windows simply run the GPU horsepower through the 4080 anyway? I think Windows allows me to set monitors to specific GPUs? Or maybe that's applications? Any chance this actually even fixes my issue? And what would the driver situation look like for the second card? Will the nVidia app crap the bed over two cards? Will windows transition seemlessly between them for streaming applications? (ie. a Teams call or Youtube) Any other thoughts? Dual GPU is something I basically never deal with.

In short, can I run ONLY my primary monitor from the 4080 for max performance in games, etc, while running two other monitors off a second GPU that's only going to handle work tasks and daily stuff?
 
Without crossfire/sli enabled multi GPU setups they should each have their own workloads and drive the monitors independently.

If you want to borrow a p620 (not enough oomph for what I wanted anyways) you can yoink it to mess around with so you don't need to buy anything out the door to see if it does resolve your issue
 
xentr_thread_starter
Izerous said:
Without crossfire/sli enabled multi GPU setups they should each have their own workloads and drive the monitors independently.

If you want to borrow a p620 (not enough oomph for what I wanted anyways) you can yoink it to mess around with so you don't need to buy anything out the door to see if it does resolve your issue
Click to expand...

Thanks. I do have a low pro T1000 here I can pop in. I just need to swap the bracket on it, but it should give me a good idea.
 
OK that's weird for me as well. I used to run triple 24 inch with my RTX 3060 Ti. One monitor with Youtube, two with regular Firefox or Civ 5 in window mode.
 
Should be able to run at least 1 display off the CPU via HDMI on the motherboard. Possibly 2 via the USB-C DP-Alt mode? Surely wouldn't spend money on another GPU before testing the onboard graphics at least.

AMD & NVIDIA drivers can co-exist, I use the AMD HDMI for my audio and NVIDIA for display/gaming.
 
xentr_thread_starter
Running a 9950x, so no iGPU. But I already had a T1000 and gave it a test. Running in to the exact same issues. Going to have to dig in to the issue more.
 
Maybe a refresh rate problem? You could try locking all 3 monitors to 60hz and see if it makes a difference.
 
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