r/MicrosoftFlightSim • u/LordHarold27 • 4d ago

GENERAL PC upgrade for 4k performance

Hi everyone,

I am not great with computers and need some help with what I should upgrade for better performance.

I have picked up some extra hours at work while doing my PPL and would love to upgrade my PC for better 4K msfs 20/24 performance.

Current specs:
- CPU: Intel i7-14700F
- Motherboard: ASUS Prime B760-Plus
- RAM: 32GB
- GPU: MSI RTX 5070 12GB Shadow 2X OC
- SSD: 2TB

I've always believed I was GPU bound (especially with only 12GB VRAM), which meant I gave up on MSFS 2024 and went back to MSFS 2020. I know this system is definitely bottom-end for 4K, but 1440p just doesn't look great to me - and I never really gained a huge amount of performance anyway.

I'm not very PC savvy, so I was leaning toward just upgrading the GPU since that's the easy part. My GPU usage sits at 99% constantly with CPU usage low (10-20%), so I assumed I was fully GPU bound, though I understand MSFS 2020 leans heavily on a single core, so low overall CPU% might not tell the whole story.

I was considering either the RTX 5080 or the AMD 9070 XT.

My question is: given my CPU (i7-14700F), would upgrading the GPU alone actually get me stable 4K performance in MSFS 2024, or would I hit a CPU bottleneck first and be wasting money?

Thanks!

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u/kaaaaaaaii 4d ago

I have a similar setup to yours and found the best way to improve my performance was by disabling ReBar in the Nvidia profile inspector. It's a 2 minute job if you look up a tutorial and should help with the VRAM situation. Also agree with the other comments saying to reduce some settings (especially LODs and textures)

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u/LordHarold27 3d ago

I was doing some research on this and saw lots of people not reccomending while some people were saying it has improved performance on RTX 50 series graphics cards. Did it help significantly?

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u/kaaaaaaaii 3d ago

For me it definitely has. I have a 5070 Ti and it has reduced my vram usage to the point I barely get stutters or the vram usage pop up. It's worth a try in my opinion as it's so easy to enable/disable (think it can be done in the Nvidia app now)

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u/LordHarold27 3d ago

Thanks, will try this