Hello you all,

I am trying to build a new GamePC.

I was thinking about an i9 13900KS (turbo clockspeed 6.0 ghz) and a AMD 7950X3D (turbo clockspeed 5.7 ghz)
The GPU will be the RTX 4090 24 GB.
As RAM memory I got Corsair Vengeance RGB 64 GB 6000 Mhz
The motherboard for AMD i can choose between ASUS ROG Crosshair X670E Hero or Gigabyte Aorus X670 Elite AX
The motherboard for Intel is ASUS Rog Strix Z790-F Gaming WiFi.

I want to play at 27 inch 1440p monitor the games: MSFS 2020, Prepar3D v4 or v5 and Train Simulator.

What do you guys advise to go with?

Better the intel i9 13900KS or the AMD 7950X3D?

I checked a lot of reviews, but I really don't know which one I need to go with.

I have now a intel i7 7700K 4.2 (4.5 turboboost) and a GTX 1070 8 GB.
I think i am to focused on the turbospeed (6.0 ghz) of the intel i9 13900KS... but i dont know if that is a good thing... before the higher the CPU clock, the better the performance (higher FPS and less stutter).

Thanks in advance.

Greetings

Edited November 22, 20232 yr by AMSPilot06
More information

AMD 7950X3D is considerably better than any current Intel CPU.

If you go AMD CPU, then make sure you use EXPO RAM modules 6000Mhz or better 30-32CL.

I'd recommend a 4K monitor (2160p) for that CPU/GPU combo.

nVidia will be producing a 5090 to be released sometime 2024 (probably Q4 is my guess) or early 2025.  Price will likely be extremely high for what it is, but people will pay $3000 or more for a GPU so nVidia can name their price ... power requirements are reported to be about the same at 500-600 Watt peak loads.

AMD currently don't appear to be aiming to compete with nVidia at the top end and will keep their new RNA 4's at reasonable prices and reasonable power consumption (probably 2025).

2024 will be a GPU dry patch.

AMD do plan to release their 8000 series CPUs Q2 2024.

 

Another unknown is if you are looking at MS2020 or the upcoming MS2024, if they improve the multi-threading capabilities in MS2024, it'll even the playing field between AMD and INTEL offerings I went with the 14900k because I could get it on a good black friday deal at Micro Center.

If you want threads ... get an AMD 7995WX CPU on a WRX90 chipset motherboard.

96 real cores 

128 PCIe 5.0 lanes

Overclocks all cores to 5.7Ghz 

Price is a bit steep ... combo = $12,000 for just CPU and motherboard ... and you need Windows 11 Pro not Home ... Pro supports 128 cores, Home does not.

45 minutes ago, CO2Neutral said:

If you want threads ... get an AMD 7995WX CPU on a WRX90 chipset motherboard.

96 real cores 

128 PCIe 5.0 lanes

Overclocks all cores to 5.7Ghz 

Price is a bit steep ... combo = $12,000 for just CPU and motherboard ... and you need Windows 11 Pro not Home ... Pro supports 128 cores, Home does not.
$12,000 for a processor is to much. I can not afford that.

If you can choose, which processor, the 13900KS or the AMD 7950X3D should you choose?

 

I'd get a 7800X3D. Plenty of oomph and no core asymmetry to worry about.

Cheers

 

Sir, how do you mean 'no core asymmetry to worry about'?

The 7950X3D is asymmetric - half the cores have the larger cache, the other half do not. The drawback is that the high cache cores have a lower max clock speed. Unless your OS is aware, you'll need to do some manual allocation to whichever set of cores you want to run your simulator on (probably the higher cache ones). The newer Intel chips have P (Performance) and E (Efficiency) cores - same cache but different processing power.

In the 7800X3D all cores have the same power and access to the large cache.

Cheers

Luke makes a good point and you probably will not benefit from 8 extra real cores, but the cost difference is so minor as to be insignificant relative to say the GPU.

What the 7950X3D does give you is more cache than the 7800X3D.

7950X3D 16MB L2 + 128MB L3

7800X3D 8MB L2 + 96MB L3

With the 7950X3D disable SMT and set Dynamic Preferred Cores to "Cache" (this will avoid CCD switching).  For AMD 7000 series CPUs RAM is extremely important, go with 6000Mhz CL30 EXPO (G.Skill works very well).

Edited November 24, 20232 yr by CO2Neutral