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NVIDIA RTX 50 SERIES - Technical/General Discussion

DLSS4 patch didn't seem to make any difference to Black Myth Wukong in terms of visuals or core performance, as far as I can tell. MFG was implemented, so there's 2x, 3x, 4x FG options. There's also seem a few options that are written in chinese? I think the one for MFG is "auto", and the option under it is Reflex "on" or "off".

Apart from that, everything looks and perfroms the same. I also don't see difference going from FG to MFG, be it 3x or 4x. From my perspective 2x already produces terrible edge tearing in motion and then it's just as bad in 3x or 4x, so any FG is out of question for me. But if that's your poison, then I guess you can go all the way to 4x and you won't see any difference in visuals but way more FPS.
 
I've been playing some Avowed yesterday and today and I'm noticing a definite uptick in exhausted heat from the new PC. CPU sits around 60-70 and the GPU is coasting along at a comfortable 60 so the chassis fans are doing their thing but this 5090 doesn't half warm the office up.
 
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crashvoodoo said:
I've been playing some Avowed yesterday and today and I'm noticing a definite uptick in exhausted heat from the new PC. CPU sits around 60-70 and the GPU is coasting along at a comfortable 60 so the chassis fans are doing their thing but this 5090 doesn't half warm the office up.
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Thinking of the saving on heating.
 
crashvoodoo said:
I've been playing some Avowed yesterday and today and I'm noticing a definite uptick in exhausted heat from the new PC. CPU sits around 60-70 and the GPU is coasting along at a comfortable 60 so the chassis fans are doing their thing but this 5090 doesn't half warm the office up.
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Can't wait for summer. Gonna flip the case over and fry an egg on the bit where my AIO radiator is attached.
 
crashvoodoo said:
I've been playing some Avowed yesterday and today and I'm noticing a definite uptick in exhausted heat from the new PC. CPU sits around 60-70 and the GPU is coasting along at a comfortable 60 so the chassis fans are doing their thing but this 5090 doesn't half warm the office up.
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I’ve noticed the same since picking up a 5090. I’m impressed with its cooling ability considering its power draw and my whole setup is seeing similar temperatures to yourself, but the room definitely warms up more quickly. I’ve never been more glad that my gaming room has air con, I need it with the 5090, it’s not even particularly warm outside yet.

Great to be able to enjoy recent games at native 4K. Was a bit on the fence about going from a 7900XTX to a 5090, but glad I did.

Awahwah said:
Thinking of the saving on heating.
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Never need any heating on in my gaming room!
 
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Purgatory said:

Seems more issues with 50 series cards, now the 5070 with melting cables. Maybe just a faulty card but a heads up for owners to be aware.
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This one came up a few days ago. It seems to be slightly different to some of the other melted cables we've seen. I think the theory in this case is a faulty connector, with one of the power pins pushed back inside the housing so far that it came into contact with a sense cable and caused a short. It was a newly built PC that started emitting smoke as soon as it was turned on, while most of the "normal" melted connectors occur during or immediately after heavy use.
 
Right, had some proper time today to do some semi-scientific testing of this Nvidia drivers **** show and the problem with Gsync/ Vsync and Frame gen/ multi frame gen. Below are my own notes which I thought I'd share in here in case they're useful for anyone else.

NOTE: this is on a 5080 and I think this chronic issue is mostly 50 series specific (especially as it involves multi frame gen) but I'd be interested to know if x2 frame gen is also having these issues on 40 series - if you use the latest DLSSG DLLs.

NOTE: This is testing with the latest drivers 576.02. They have definitely NOT fixed the issue which the release notes purport to have done. The exact same behaviour occurs on 572.83 and earlier too.

ALSO NOTE: Please don't just say "all runs fine on my PC". I would bet a huge amount of money that if you actually deep dive into it, it will have these issues.....

-------------

FRAME GEN NOTES​

APRIL 2025

'DLSS4' FG (x2) and MFG (x3 or x4) do not work properly with ANY DLSSG DLL files of v3.10.X and above when using the long term gold standard of Gsync on, Vsync on globally in NVCP, Vsync off in game, Reflex on in game if it has it. 'DLSS3' FG (DLSSG DLL v3.8.1 and below) still works fine with this gold standard, but obviously x2 FG is all you can get with this.​

​

With 'DLSS4' FG (DLL files of v3.10.X and above) and Vsync ON in NVCP, THE BAD SYMPTOMS ARE: ​

​

x2 FG will NOT run with GPU at full usage so you lose ~20% performance, and MFG x3 or x4 mode will often just not work, at all! It's ALL to do with VSYNC settings....​

....If Vsync is set to OFF or FAST in the NVCP/ NV App game profile then 'DLSS4' x2 FG works totally as it should with max GPU usage AND x3 and x4 mode also fully work! - BUT - with 'driver level' Vsync off *some* games are prone to the old school problem of screen sync 'tearing', which is ******* horrible, EVEN if you have GSYNC on AND keep FPS below monitor refresh rate with an FPS cap (eg in RTSS). *Some* games work fine this way with zero tearing and can keep fps at eg ~117fps cap on a 120Hz screen (remember in-game Reflex does NOT WORK with global/ driver level Vsync off, so you MUST use an FPS cap!) ​

​

Assuming 120Hz screen, *Some* games benefit from a lower cap of ~110fps which can 'almost' totally mitigate the tearing, but it seems to be game dependent/ random.​

​

Until Nvidia properly fix this issue (driver and/ or new DLSSG DLLs) - if you can be bothered - the best FG settings need to be done on a per-game basis. A few different examples....​


Cyberpunk 2077

- Vsync on globally in NVCP or forced on in App profile

- Use DLSSG v3.8.1 (latest 'DLSS3' standard x2 only DLL)

- Reflex on in game

Half Life 2 RTX

- Vsync OFF or FAST in App profile

- Use latest DLSS4 DLSSG Dlls

- Frame cap of 117fps (zero tearing)

Stalker 2

- Vsync on globally in NVCP or forced on in App profile

- Use DLSSG v3.8.1 (latest 'DLSS3' standard x2 only DLL)

- Reflex on in game

Indy and the Great Circle

(DLSS3 DLLs will not work with this game - crashes on load)

- Vsync OFF or FAST in App profile

- Use latest DLSS4 DLSSG Dlls

- Frame cap of 117fps (zero tearing)
 
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Installed my MSI Shadow 3x 5080 today and pc kept rebooting and screen flickering, wasnt a clean installed but from a 3080ti didnt think it would be a major problem, ive got a new 1200w psu to put in but currently have a corsair RM850 installed which I thought would be enough then thought could it be the pcie 4.0 riser cable I had in, took hat out and plugged into the pci-e slot and its been fine, could it be the riser cable? Looking at the price of pci-e 5.0 riser cables not sure I'll bother
 
Bradmax57 said:
Installed my MSI Shadow 3x 5080 today and pc kept rebooting and screen flickering, wasnt a clean installed but from a 3080ti didnt think it would be a major problem, ive got a new 1200w psu to put in but currently have a corsair RM850 installed which I thought would be enough then thought could it be the pcie 4.0 riser cable I had in, took hat out and plugged into the pci-e slot and its been fine, could it be the riser cable? Looking at the price of pci-e 5.0 riser cables not sure I'll bother
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Bios setting on auto maybe for pcie? Heard of a couple of problems unless you set it manually to pcie 4, if using the riser cable.
I have pcie 5 riser, no issues with 5090 fyi.
 
Vito said:
Bios setting on auto maybe for pcie? Heard of a couple of problems unless you set it manually to pcie 4, if using the riser cable.
I have pcie 5 riser, no issues with 5090 fyi.
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Cheers, never thought of that will take a look, great upgrade from my 3080ti
 
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