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I have a RTX 3070 GPU and am looking at two Ryzen CPU's. Firstly, the Ryzen 7 7800X3D and secondly the Ryzen 9 7950X3D. Which of these two will work best with the RTX 3070 in FS 2020?

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7800X3D no questions asked for your specific use case. 7950X3D is a powerhouse CPU, who's power is actively underutilised in games, so you're paying extra power that won't at all be used. It's a CPU more suited to enterprise development. Take the 7800X3D and you'll be happy for quite a few years. It's still the king of Gaming CPUs across Intel and AMD.

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Posted (edited)

What Lucky said.

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Get some fast RAM to complement the 7800X3D (check your chosen motherboard's QVL for compatibility). The Ryzen CPUs love speedy RAM, which is rather affordable now.

Also, if your budget permits, consider a 2 TB M.2 drive. Speaking from experience, your MSFS load times will be noticeably quicker if you have lots of add-ons and you'll have space for them all.

Edited by F737MAX
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AMD Ryzen 5800X3D; MSI RTX 3080 Ti VENTUS 3X; 32GB Corsair 3200 MHz; ASUS VG35VQ 35" (3440 x 1440)
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I bought the 7950x3d because flight sims are CPU intensive and you cannot have enough CPU power.


AMD Ryzen 9 7950X3D | RTX 4090 | 48GB DDR5 7200 RAM | 4TB M.2 NVMe SSD | Corsair H150i Liquid Cooled | 4K Dell G3223Q G-Sync | Win11 x64 Pro

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MSFS is mainly GPU limited now because of the way threads are used (or not) in 2020. When 2024 is released, and it utilizes threads far better, the tide could change to something like the 7950x3d. More future proof imo. 


AMD Ryzen 9 7950X3D | RTX 4090 | 48GB DDR5 7200 RAM | 4TB M.2 NVMe SSD | Corsair H150i Liquid Cooled | 4K Dell G3223Q G-Sync | Win11 x64 Pro

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8 minutes ago, RobJC said:

More future proof imo.

the future CPUs will be more future proof.

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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, HP Reverb G2 VR headset @ 90 Hz, Honeycomb Aeronautical Bravo Throttle Quadrant, be quiet 1000W PSU, Noctua NH-U12S chromax.black air cooler.

60-130 fps. no CPU overclocking.

very nice.

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Posted (edited)
2 hours ago, TrevorS said:

I have a RTX 3070 GPU and am looking at two Ryzen CPU's. Firstly, the Ryzen 7 7800X3D and secondly the Ryzen 9 7950X3D. Which of these two will work best with the RTX 3070 in FS 2020?

What is your current CPU?  And what screen resolution?

Edited by Noel

Noel

System:  7800x3D, Thermal Grizzly Kryonaut, Noctua NH-U12A, MSI Pro 650-P WiFi, G.SKILL Ripjaws S5 Series 32GB (2 x 16GB) 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/ Edge Sync for near zero Frame Time Variance achieving ultra-fluid animation at lower frame rates.

Aircraft used in A Pilot's Life V2:  PMDG 738, Aerosoft CRJ700, FBW A320nx, WT 787X

 

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The Screen shot is from a bugged test by some youtuber , the 7950x is 4% faster then the 7800x3d if you run i the 7950 " in 7800x3d mode"

7950x3d is higer binned cpu  and the std max boost is 200mhz higher , i have both cpus run my 7950x3d in bclk mode ( async ) and use 8 cores 7800x3d mode 

the bosst is 5600mhz contra 5300 for the 7800x3d , 

If money dosent matter the 7950x3d all day long , 

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7 minutes ago, westman said:

the bosst is 5600mhz contra 5300 for the 7800x3d ,

care to publish some fps and frame time benchmarks comparing the two CPUs so we might see what the 4% boils down to in the sim? I guess 0.

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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, HP Reverb G2 VR headset @ 90 Hz, Honeycomb Aeronautical Bravo Throttle Quadrant, be quiet 1000W PSU, Noctua NH-U12S chromax.black air cooler.

60-130 fps. no CPU overclocking.

very nice.

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If you mainly use your PC for gaming, 7800X3D, otherwise 7950X3D.

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System: I ASRock X670E | AMD 7800X3D | 32Gb DDR5 6000 | RTX 4090 | 2TB NVMe | LG Ultra Gear 34* UW |

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9 minutes ago, turbomax said:

care to publish some fps and frame time benchmarks comparing the two CPUs so we might see what the 4% boils down to in the sim? I guess 0.

One thing I have noticed when running MSFS is that all 16 cores are pretty much running 5GHz+ most of the time. At least 12 cores are always loaded, some pushing 5.3GHz. It could be that I have road traffic maxed, boats maxed, FSLTL maxed, and everything on Ultra, but MSFS is using those 16 cores for something and it is ultra smooth at airports like LAX while doing it. And I imagine that when MSFS 2024 comes out with much better use of multithreading, a CPU like this is only going to be more valuable. But the 7800x3d is awesome too! No wrong answer imo. 


AMD Ryzen 9 7950X3D | RTX 4090 | 48GB DDR5 7200 RAM | 4TB M.2 NVMe SSD | Corsair H150i Liquid Cooled | 4K Dell G3223Q G-Sync | Win11 x64 Pro

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Posted (edited)
41 minutes ago, Ixoye said:

If you mainly use your PC for gaming, 7800X3D, otherwise 7950X3D.

MSFS 2020: to be or not to be a game, that is the question.

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https://www.digitaltrends.com/computing/amd-ryzen-7-7800x3d-vs-ryzen-9-7950x3d/

"Zooming out, you can expect the Ryzen 7 7800X3D to perform just as well as the Ryzen 9 7950X3D. Depending on the games you play, it may skew a couple of points in either direction, but when $300 is on the table, it’s hard to argue with the performance the Ryzen 7 7800X3D is offering."

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"The reason why the Ryzen 7 7800X3D is able to perform as well as the flagship comes down to the fact that it uses a single core complex (CCX). That leads to faster cache-to-cache transfers, according to AMD, helping the Ryzen 7 close the gap in gaming performance compared to the dual CCX Ryzen 9 7950X3D."

Edited by turbomax
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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, HP Reverb G2 VR headset @ 90 Hz, Honeycomb Aeronautical Bravo Throttle Quadrant, be quiet 1000W PSU, Noctua NH-U12S chromax.black air cooler.

60-130 fps. no CPU overclocking.

very nice.

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with the 7950x3d you can put the all "non" msfs stuff on ccd1 ( non 3d core )


 Rig Specs; CPU AMD Ryzen 7950X3d, GPU AMD Liquid Red Devil 7900XTX 24GB,  Memory 32GB 2x8 3000 CL30, WD-SN850 Black 500 GB, WD-SN850 Black  2TB, Asus MoBo X670E D Hero, Be Quit Straight power 1200 Watt platinum. 18 Noctua fans , Aquacomputer Octo tempsensores, yes I am a PC freak.

watercooled 2 x360 rads noctua's push pull EKWB blocks for GPU and CPU 

Screen LG 34GN850-B  with freesync premium     

                                                         

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Posted (edited)
20 minutes ago, pilotter said:

with the 7950x3d you can put the all "non" msfs stuff on ccd1 ( non 3d core )

I don't care on which core all that "non" msfs stuff is as long it doesn't perform better. let's see the fps benchmark, anything else is just pure theory. clock speed, cache size and core count is not everything and misleading to only compare those. why can the 7800X3D otherwise outperform the 7950x3D in many games? as AMD has stated:

"  7800X3D uses a single core complex (CCX). That leads to faster cache-to-cache transfers, according to AMD, helping the Ryzen 7 close the gap in gaming performance compared to the dual CCX Ryzen 9 7950X3D."

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Edited by turbomax
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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, HP Reverb G2 VR headset @ 90 Hz, Honeycomb Aeronautical Bravo Throttle Quadrant, be quiet 1000W PSU, Noctua NH-U12S chromax.black air cooler.

60-130 fps. no CPU overclocking.

very nice.

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3 hours ago, F737MAX said:

What Lucky said.

spacer.png

 

Get some fast RAM to complement the 7800X3D (check your chosen motherboard's QVL for compatibility). The Ryzen CPUs love speedy RAM, which is rather affordable now.

Also, if your budget permits, consider a 2 TB M.2 drive. Speaking from experience, your MSFS load times will be noticeably quicker if you have lots of add-ons and you'll have space for them all.

With very good 4TB Nvme drives selling every day under $230, I would not settle for a 2TB drive for to be the main drive.

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Ryzen5 5800X3D, RTX4070, 600 Watt, TWO Dell S3222DGM 32" screens spanned with Nvidia surround 5185 x 1440p, 32 GB RAM, 4 TB  PCle 3 NVMe, Warthog throttle, CH Flightstick, Honeycomb Alpha yoke, CH quad, 3 Logitech panels, 2 StreamDecks, Desktop Aviator Trim Panel.

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