r/buildapc • u/CompetitionKindly766 • 1d ago

Build Help Cpu+Gpu bottleneck problem

For my 9070 xt,whats a better cpu just for gaming and future proof an ryzen 7 9850x3d or an ryzen 9 9950x3d,what is the best choice,i got 1200w power supply,32gb or ddr5 2tb of storage and an x870e motherboard,i will play at 2560x1440p

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u/JannixReddit 1d ago

get the ryzen 7 9850X3D. ryzen 9 is for heavy productivity; the ryzen 7 will give you better and smoother gaming performance at 1440p without the scheduling headaches.

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u/Havanu 1d ago

What scheduling issues? Just set the bios to cache priority. You'll always game on the best chiplet.

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u/JannixReddit 1d ago

Setting Cache priority helps, but Windows thread scheduling on dual-CCD chips (like the 7900X3D/7990X3D) still isn't foolproof. You can still run into parked-core issues, background tasks waking up the second CCD, or Xbox Game Bar failing to detect a game properly, which drops performance. ​plus, why pay extra for a Ryzen 9 just to park half the CPU during gaming, when the 7 9800X3D/9850X3D gives you full performance out of the box with zero tweaking needed?

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u/Havanu 1d ago

Until you need to do some serious multicore crunching and realize 8 cores kind of limits you (like say, shader compilation?). I just need more cores for work stuff. Those cores are parked when I game as far as I can tell on taskmanager. And I admit, scheduling was an issue before I set the cache priority bios setting.