So… What if you had TOO much GPU and VRAM?

I am currently testing an NVIDIA A6000 on an old chipset and motherboard. An i7 6700k.

Clearly the CPU is the bottleneck. That is not going to change. I am not building a PC around this card although that would be cool.

So wrap your heads around this one.

How can I get the most out of this card on this old PC? In 2D and VR?

Truly, Dev Mode is hilarious!

Nobody in their right mind would have this build. But I currently do. So, how should I make the most of it before the card goes back to its owner?

48GB VRAM!!! :joy:

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Hi @WellREDBarron ,

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Nice - but your there’s no getting around the fact that your CPU is a major limiting factor. The only thing I can come up with is ensuring you use DX12 as that puts more emphasis on the GPU than the CPU. Faling that I can potentially help another way that I’d rather PM you about (will do now).

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Did you get that A6000 in a bargain sale? Or are you repurposing it from a CAD workstation maybe? Because VRAM isn’t everything.
My 3090 Ti has 24GB and I never come close to maxing it out.

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That amount of VRAM is completely useless for MSFS (or any other gaming application) and there’s nothing you can do about it.

It is on loan from a friend who uses it for work.

They have a few extra cards and this was the one that would swap in before I change PCUs. Basically they have a NVIDIA and Radeon card from each generation. Most going unused at any given time.

My PC has been running a GTX 1080 and it is brilliant for that card. Like both perform better than they should because they work in such harmony.

So yeah, the trick has been to slow down the A6000 so it limits the FPS, not the CPU. And with a CPU this slow, that has been tricky.

Render scaling finally brought it to its knees.

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I have the Sapphire 7900 XTX which has 24 GB of VRAM.

MSI Afterburner displays usage of 22.4 GB of VRAM in FS2020.

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Turn up all the goodies. 10bit color, max everything. Try to become GPU bound and report back.

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Pushing it to 8k+ render scaling and then downscaling back to 4K seems to do the trick.

16x Antialiasing in the NVIDIA control panel plus TAA in sim sure makes things look smooth around the edges. Especially in VR.

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I had one of those Quadro cards back in the day. They are for graphics programming, and are overkill for just gaming. Are you using the Studio driver?

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Yes. And it is so odd. Not a gaming driver at all.

This card is total overkill. It is hilarious. Not for gaming at all but it sure games. But it is no 4090 or 4080 for that matter. Only 3000 series features.

One thing is it is a beautiful card. Both in the hands and in the PC. It does look expensive.

And it breaks some of my diagnostic tools because they aren’t made to read cards like this. It often shows up as having 100% overhead available! :joy:

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Unfortunately AA in NVCP doesn’t do anything for MSFS, but DLDSR or increased render scaling are alternative solutions that do increase AA.

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The suggestions that come to my mind are:

  • Increasing render scaling and every other setting besides object LOD and terrain LOD
  • Running FSR3 mod to double framerate (this is actually quite VRAM intensive, especially at higher resolutions)
  • Overclocking the RAM and CPU to make them run as fast as possible. I think on my old i7 6700 setup, I got around a ~30% boost by overclocking ram and overclocking the CPU. On my current 9900k setup, I got around a ~20% boost by overclocking RAM and CPU.

48gb of VRAM is also a great peace of mind thing, you’ll always know you’ll never be limited by VRAM capacity. You won’t have to worry about sceneries or liveries being too high resolution for your graphics card. This is another ‘feature’, though it might not be apparent at first.

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