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New DLSS Version 310.5

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I've always preferred TAA over DLSS because of ghosting. But now I'm going to give DLSS 4.5x a try. I have a good system (incl. RTX 5090) but I'm still not convinced. What in-sim settings would be the best for a G-synced monitor (max 175 Hz)?

- Harry 

9800x3D (Strix x870e-E)  -  64GB RAM (DDR5 6000, CL 30)  -  RTX 5090, 34'' 1440p OLED HDR  -  Windows 11 Pro (1TB M.2)  -  MSFS 2024 (MS Store, 4TB M.2).

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  • Brocky120
    Brocky120

    It's part of Nvidia's DLSS 4.5 they just released at CES. Two new presets (L, M) Both hit performance quite hard on 4xxx series and below compared to Preset K (DLSS 4). Preset M is meant to

  • HiFlyer
    HiFlyer

    This poster goes into quite a bit of detail in his examination of the new update. But as I said earlier, peoples milage can vary, and I myself admit to still being a bit fuzzy on all the paramete

  • Cargostorm
    Cargostorm

    I am in VR (Varjo Aero) and the new DLSS 4.5 with preset L nearly completely eliminates ghosting of the speed and altitude tape of an airliner PFD as compared to DLSS 4.0 with preset K. That's with NV

My G Sync monitor is set to 60 mhz as 60 FPS is more than sufficient for me.  I cap at 60 FPS on the NVCP and 30 FPS in the sim which gives me a smooth 60 FPS using DLAA and 2X FRG with my RTX5080 ( The same as I found best with my old RTX3080).

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)

55 minutes ago, cianpars said:

My G Sync monitor is set to 60 mhz as 60 FPS is more than sufficient for me.  I cap at 60 FPS on the NVCP and 30 FPS in the sim which gives me a smooth 60 FPS using DLAA and 2X FRG with my RTX5080 ( The same as I found best with my old RTX3080).

The perfect settings for 5080 at 2k and 4k.

I tried cap 100 FPS with Riva Tuner, 100mhz monitor refresh, DLAA preset K with 4x Multi frame generation in 4k resolution, 5080 is a monster, i can fly Fenix a320 in every situations and payware airports without problem in MSFS2020 

17 minutes ago, LIML2020 said:

The perfect settings for 5080 at 2k and 4k.

I tried cap 100 FPS with Riva Tuner, 100mhz monitor refresh, DLAA preset K with 4x Multi frame generation in 4k resolution, 5080 is a monster, i can fly Fenix a320 in every situations and payware airports without problem in MSFS2020 

Yes, I should have also said that I run MSFS2024 at 2k using preset K - I lost a lot of performance with presets L & M.

I actually found that these settings were also best with my old 3080 using the framegen mod (which I obviously don't need any more with my 5080).

I've tried a lot of other settings and always seem to come back to these.

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)

14 hours ago, Luis Hernandez said:

Tried so. With my conditions and a 5060Ti, I still get ghosting in the PFD. Back to TAA. Too bad, because far background looks amazing with DLSS+DLAA.

10 hours ago, B777ER said:

This might help with ghosting:

Thanks for the video. As I feared: no matter how stable is your frametime, it needs to be at or below 17 ms (for a 60 Hz monitor). Unfortunately, at 1080p, my condition is main-thread limited (despite having LODs at just 100), and there's no way I can reach 60 native FPS while flying complex airliners to main hubs. So, until technology changes (either by allowing my 5700X3D to reach these 60 native FPS or DLSS being finally able to prevent ghosting), I'm forced to stay with TAA. That or going back to the old FSX days with 30-Hz monitors...

Edited by Luis Hernandez

Best regards,
Luis Hernández 20px-Flag_of_Colombia.svg.png20px-Flag_of_Argentina.svg.png

Main rig: self built, AMD Ryzen 7 5700X3D (with SMT off and CO -50 mV), 2x16 GB DDR4-3200 RAM, Nvidia RTX 5060Ti 16GB, 256 GB M.2 SSD (OS+apps) + 2x1 TB SATA III SSD (sims) + 1 TB 7200 rpm HDD (storage), ID-Cooling SE-224-XTS air cooler, Viewsonic VX2458-MHD 1920x1080@120-144 Hz (G-sync compatible), Windows 11. Running P3D v5.4 (with v4.5 scenery objects as an additional library, just in case), FSX-SE, MSFS2020, MSFS2024 and even FS9! Lossless Scaling for all my sims. What a godsend...

Mobile rig: ASUS Zenbook UM425QA (AMD Ryzen 7 5800H APU @3.2 GHz and boost disabled, 1 TB M.2 SSD, 16 GB RAM, Windows 11 Pro). Running FS9 there .

VKB Gladiator NXT Premium Left + GNX THQ as primary controllers. Xbox Series X|S wireless controller as standby/mobile.

On 1/11/2026 at 1:17 PM, hansb57 said:

I'm on a 4080. Installed latest driver, made changes to prefix according to instructions and the regedit shows 4,5 dlls.

Drop in fps and problems with panning. Back to older drivers and problem gone. Probably somtehing I did (or did not do) but 4.5 is not for me. 

What panning problems were you experiencing? 

[email protected] - ROG Strix Z790-E - 2X16Gb G.Skill Trident DDR5 6400 CL32 - MSI RTX 4090 Suprim X - WD SN850X 2 TB M.2 - XPG S70 Blade 2 TB M.2 - MSI A1000G PCIE5 1000 W 80+ Gold PSU - Liam Li 011 Dynamic Razer case - 58" Panasonic TC-58AX800U 4K - Pico 4 VR  HMD - WinWing HOTAS Orion2 MAX - ProFlight Pedals - TrackIR 5 - W11 Pro (Passmark:12574, CPU:63110-Single:4785, GPU:50688)

On 1/15/2026 at 1:40 AM, Nemo said:

I've always preferred TAA over DLSS because of ghosting. But now I'm going to give DLSS 4.5x a try. I have a good system (incl. RTX 5090) but I'm still not convinced. What in-sim settings would be the best for a G-synced monitor (max 175 Hz)?

60 Hz and low latency to ultra 

AMD 9950X3D, Nvidia 5080, custom-made liquid-cooled OEM

Virpl throttle, Control panel, and Collective Gufighter flightstick

On 1/15/2026 at 4:48 AM, cianpars said:

My G Sync monitor is set to 60 mhz as 60 FPS is more than sufficient for me.  I cap at 60 FPS on the NVCP and 30 FPS in the sim which gives me a smooth 60 FPS using DLAA and 2X FRG with my RTX5080 ( The same as I found best with my old RTX3080).

Are you in 2K for 4K?  I'm Vraming out with my 5080 with sim settings medium to high in 4K, and a lot in 2K as well.  This 5080 is the worst card for flight simming. 

Jeff D. Nielsen (KMCI)

https://www.twitch.tv/pilotskcx

https://discord.io/MaxDutyDay

VENGEANCE a8200 Gaming PC: AMD Ryzen 9 9950X3D, GeForce RTX 5080, 64GB DDR5, 4TB (2TB/2TB) M.2 SSD, Win11 Pro

11 hours ago, Jeff Nielsen said:

Are you in 2K for 4K?  I'm Vraming out with my 5080 with sim settings medium to high in 4K, and a lot in 2K as well.  This 5080 is the worst card for flight simming. 

I'm in 2k and VRAM is fine 99% of the time.  There are a couple of addon airports where I get close to maxing out and some freeware photo scenery can do the same, but it's very rare for me, even though I have pretty much everything on ultra.

It would be nice to have the extra VRAM of the 5090, but I really can't justify the expense.

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)

51 minutes ago, cianpars said:

It would be nice to have the extra VRAM of the 5090

now all we need is another option in the NV app to "convert 8 GB of mainboard RAM into VRAM" 🤣

AMD 7800X3D, Windows 11, Gigabyte X670 AORUS Elite AX Motherboard, 64GB DDR5 G.SKILL Trident Z5 NEO RGB (AMD Expo), RTX 4090,  Samsung 980 PRO M.2 NVMe SSD 2 TB PCIe 4.0, Samsung 980 PRO M.2 NVMe SSD 1 TB PCIe 4.0, 4K resolution 50" TV @60Hz, VR: Pimax Crystal Light + HP Reverb G2 @ 90 Hz, Honeycomb Bravo Throttle Quadrant, be quiet 1000W PSU, Noctua NH-U12S chromax.black air cooler.

60-130 fps. no CPU overclocking.

very nice.

12 hours ago, cianpars said:

I'm in 2k and VRAM is fine 99% of the time.  There are a couple of addon airports where I get close to maxing out and some freeware photo scenery can do the same, but it's very rare for me, even though I have pretty much everything on ultra.

It would be nice to have the extra VRAM of the 5090, but I really can't justify the expense.

Yeah, even at MSRP the 5090 is just too much, IMO.  I should have got it with my new PC, but thought I could get away with the 5080.  Boy, was I wrong.  I'm going to get AMDs 24gb card.  It runs MSFS just fine, especially for a grand.

Jeff D. Nielsen (KMCI)

https://www.twitch.tv/pilotskcx

https://discord.io/MaxDutyDay

VENGEANCE a8200 Gaming PC: AMD Ryzen 9 9950X3D, GeForce RTX 5080, 64GB DDR5, 4TB (2TB/2TB) M.2 SSD, Win11 Pro

1 hour ago, Jeff Nielsen said:

Yeah, even at MSRP the 5090 is just too much, IMO.  I should have got it with my new PC, but thought I could get away with the 5080.  Boy, was I wrong.  I'm going to get AMDs 24gb card.  It runs MSFS just fine, especially for a grand.

I see one for $2k...

Edited by 0stones0

i7-13700KF @ 5.3GHz    32.0GB DDR5 @ 5600    RTX 3080    65" LG OLED @ 4k

 

Edited by JetClipperJR

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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