i9-11900K vs Ryzen 7 5800X3D

Too close to call. At 1440p there is only about 1% between them — buy whichever is cheaper.

The gap changes with resolution.

CPU differences shrink as resolution rises — at 4K the graphics card does most of the work.

In a real build with a RTX 3080.

Specs alone don’t tell you which to buy. Here is what each one does when it’s actually paired up, at 1440p.

So which should you buy?

Whichever is cheaper on the day. There is roughly 1% between them at 1440p, which you will not notice in a game.

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Common questions.

Straight answers on the i9-11900K versus the Ryzen 7 5800X3D.

• Is the i9-11900K better than the Ryzen 7 5800X3D?

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  They are close enough to call a tie. At 1440p the i9-11900K scores 76 on our index against 75 for the Ryzen 7 5800X3D — a gap of about 1%, which is inside the margin where you would not feel a difference while gaming. Buy whichever is cheaper or easier to find.

• Does the i9-11900K or Ryzen 7 5800X3D bottleneck a RTX 3080?

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  Paired with a RTX 3080 at 1440p, the i9-11900K build comes out balanced, and the Ryzen 7 5800X3D build comes out balanced. Being GPU-bound is the healthy outcome — it means the graphics card is the part working hardest.

• Is it worth upgrading from the Ryzen 7 5800X3D to the i9-11900K?

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  No. A 1% index gap will not be visible in games, and the money is better spent on the other side of the build — usually the GPU.

• Which is better value, the i9-11900K or the Ryzen 7 5800X3D?

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  On performance per dollar at MSRP, the Ryzen 7 5800X3D wins. The i9-11900K lists at $539 for an index of 76, and the Ryzen 7 5800X3D at $449 for 75.