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DLSS 4 Definitive guide.

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Years ago, with less resolution on our screens, antialiasing was so good. I don't know what happened in the meantime to make us have this word not allowed now.

13600KF - AIO - 32GB DDR4 - RTX4070 - UW1440p GSync - USB DAC - 2TB NVMe - Windows 11 Pro - Gladiator NXT EVO - 1 Gbps Fiber  - MSFS 2024

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  • It's highly likely that the cause is related to changes you made in the past, which were saved in the Nvidia Profile Inspector. Alternatively, you may have downloaded an XML file at some point an

  • I'm not sure if DLSS swapper is going to be the saviour here. As these files are nowadays handled by the latest Nvidia driver. Well, that's the way I understand it - things are still very messy. The l

  • After wading through all this stuff....decided to take the dog for a walk instead... 

On 1/30/2025 at 5:59 PM, Ianrivaldosmith said:

3.jpg

Hi,

Funny thing is... next reboot my nvidia inspector settings show a change from 0x000001 to 0x000003 on the overrides. 

Former Beta Tester - (for a few companies) - As well as provide Regional Voice Set Recordings

                Two: AMD-9950X | One: AMD-7950X3D | Three: Asus TUF 4090s | Three: 64GB DDR5 RAM 6000mhz | Three: Cosair 1300 P/S | Three: 990Pro 2TB NVME                    One: Eugenius ECS2512 - 2.5 GHz Switch | Three: Ice Giant Elite CPU Coolers | Three: 75" 4K UHDTVs | One: Boeing 737NG Flight Deck

16 minutes ago, Mike_CFII_MEL said:

Hi,

Funny thing is... next reboot my nvidia inspector settings show a change from 0x000001 to 0x000003 on the overrides. 

Do you have the nVidia app installed? Sometimes it does this, I removed it. I find it useless anyway.

Version 2.4.0.11 of profile inspector is more user friendly.

image.png

7800X3D | 2x32 GB DDR5-6000 CL32 | RTX 5080 | Alienware OLED 34" | 1 Gbps fiber 

3 minutes ago, MrFuzzy said:

Do you have the nVidia app installed? Sometimes it does this, I removed it. I find it useless anyway.

Version 2.4.0.11 of profile inspector is more user friendly.

image.png

No Nvidia app, never installed into Win 11.

Thanks

Former Beta Tester - (for a few companies) - As well as provide Regional Voice Set Recordings

                Two: AMD-9950X | One: AMD-7950X3D | Three: Asus TUF 4090s | Three: 64GB DDR5 RAM 6000mhz | Three: Cosair 1300 P/S | Three: 990Pro 2TB NVME                    One: Eugenius ECS2512 - 2.5 GHz Switch | Three: Ice Giant Elite CPU Coolers | Three: 75" 4K UHDTVs | One: Boeing 737NG Flight Deck

Hmmm, so if I have a 3090, which does not have FG (I use the thrid party app)and I run 2020, I can simply use the swapper to install DLSS 4, correct?

Howard
MSI Mag B650 Tomahawk MB, Ryzen7-7800X3D CPU@5ghz, Arctic AIO II 360 cooler, Nvidia RTX4090 GPU, 32gb DDR5@6000Mhz, SSD/2Tb+SSD/500Gb+OS, Corsair 1000W PSU, LG Ultragear 48"4K, MFG Crosswinds, TQ6 Throttle, Fulcrum One Yoke
My FlightSim YouTube Channel: https://www.youtube.com/@skyhigh776

  • 2 weeks later...

Am I correct that in MSFS 2020, DLSS works with DX12 only?

9950X3D, X870E ROG CROSSHAIR HERO, Corsair Dominator Titanium 64GB DDR5-6000 PC5-48000, ASUS RTX 5070Ti 16GB, 9100 PRO 4TB Samsung ,990 PRO 4TB Samsung,  AX1600i 1600 Watt 80 Plus Titanium ATX, ASUS 360 ARGB EXTREME 360mm Liquid CPU Cooling Kit.

1 hour ago, G-YMML1 said:

Am I correct that in MSFS 2020, DLSS works with DX12 only?

Yes that's correct. 

Regards,

Marcus P.

xaP1VAU.png

On 2/11/2025 at 9:14 AM, Rocky_53 said:

Hmmm, so if I have a 3090, which does not have FG (I use the thrid party app)and I run 2020, I can simply use the swapper to install DLSS 4, correct?

I removed the Nvidia app as it was causing crashes on my system.  I stopped using the NVidia inspector too.  My DLSS workflow at the moment is...

1.  DLSS Swapper to install latest DLSS files
2. DLSSTweaks app to set preset K and enable Ultra Quality in MSFS

CPU Ryzen 7800X 3D  RAM 32GB Corsair VENGEANCE DDR5 6000MHz GPU GEFORCE RTX 4090
Monitor AOC AGON AG352UCG UltraWide G-Sync @ 3440x1440
Internal Storage 1TB NVMe PCIe SSD 
External Storage Three 4Tb HDs

I'm another who found the Nvidia app more trouble than it was worth.  Now back to G Force Experience and Nvidia Profile Inspector which have caused no issues whatsoever.

The only odd thing is that since using dlsss4, the nvidia cache does bot seem to grow beyond 4gb whatever I set it at in control panel and inspector.  Odd because nobody else seems to be reporting this.

Ryzen 5800X3D, Nvidia RTX5080 - 32 Gig DDR4 RAM, 1TB & 2 TB NVME drives - Windows 11 64 bit MSFS 2024 Premium Deluxe Edition Resolution 2560 x 1440 (32 inch curved monitor)

so after swaping dlss4 do you guys set it to dlaa or quality?

thanks

Mike

18 minutes ago, mikeymike said:

so after swaping dlss4 do you guys set it to dlaa or quality?

thanks

Mike

It depends on your hardware. If you're not GPU-limited, I'd suggest DLSS+DLAA (no DLSS downscaling)

7950X3D | RTX 4090 | 64GB DDR5

Just now, Cpt_Piett said:

It depends on your hardware. If you're not GPU-limited, I'd suggest DLSS+DLAA (no DLSS downscaling)

Thank you

I am on a 3080ti ATM

Thou waiting for my 5080 oc suprim x to arrive. 

 

I'm sorry guys but I've scanned enough of these threads to ask the obvious question that I can't seem to find a clear answer for:

It's clear that everyone across the sim world thinks that DLSS4 is something wonderful.  It's clear that NVIDIA benefits from any positive light thrown on their products from the goodness DLSS4 provides. So.............

Why was it introduced in such a ridiculously clumsy way with influencers "hacking driver installs" to get it to work?  Shouldn't it just be a simple bit switch to use DLSS 4?  Why all the do this/that, then go here and do this, then try this here and change this parameter if XYZ is this, etc...  Is it ok to assume that at some point at time t, DLSS4 will be just an intrinsic part of the latest driver set?  Shouldn't there just be an Nvidia memo for which of their cards can perform what functions?  For instance...  If you have a 4090 or 5090, just install driver XYZ and bingo, you have it?  

Edited by Cavemanhead

5 hours ago, Cavemanhead said:

It's clear that everyone across the sim world thinks that DLSS4 is something wonderful.

Almost everyone.  I'm super focused in image quality and I found in 2020 DLSS4 + DLAA mostly just offered better frame rate (by reducing GPU load).  But there is a cost for that and the presets being recommended, primary K which I've used, hardly impacts that cost, which has to do with smearing/ghosting of glass cockpit characters.  Turns out there was zero appreciable difference between preset K and preset C which I believe is default when you have DLSS4 installed but did not use Inspector or other to enable preset K.

 

I need the extra overhead in 2020 so do use DLSS4 + DLAA there.  In 2024 now I'm back to using TAA which eliminates the ghosting/smearing issue.  Also, TAA improves cloud quality in 2024 for me as it loses any hint of the voxel grid which can become visible with DLAA +DLAA under certain lighting conditions.

Noel

System:  9900X3D Noctua NH-D15 G2, MSI Pro 650-P WiFi, G.SKILL  64GB (2 x 32GB) 288-Pin PC RAM DDR5 6000, WD NVMe 2Tb x 1, Sabrent NVMe 2Tb x 1, RTX 4090 FE, Corsair RM1000W PSU, Win11 Home, LG Ultra Curved Gsync Ultimate 3440x1440, Phanteks Enthoo Pro Case, TCA Boeing Edition Yoke & TQ, Cessna Trim Wheel, RTSS Framerate Limiter w/ Front Edge Sync.

Aircraft used in MSFS 2024:  Fenix A320,  Aerosoft CRJ, FBW, WT 787X, I-Fly 737 MAX 8, Citation Longitude.

 

On 2/26/2025 at 3:15 AM, MrBitstFlyer said:

 DLSSTweaks app to set preset K and enable Ultra Quality in MSFS

@MrBitstFlyer please can you let me know how you use DLSSTweaks to enable the Ultra Quality setting? 

GregH

Intel Core i7 14700K / Palit RTX4070Ti Super OC / Corsair 32GB DDR5 6000 MHz / MSI Z790 M/board / Corsair NVMe 9500 read, 8500 write / Corsair PSU1200W / CH Products Yoke, Pedals & Quad; Airbus Side Stick, Airbus Quadrant / TrackIR, 32” 4K 144hz 1ms Monitor

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