Skip to main content

i5-11600K vs Ryzen 9 3950X

Too close to call. At 1440p there is only about 3% between them — buy whichever is cheaper.

71/ 100 index at 1440p

$262 at launch

69/ 100 index at 1440p

$749 at launch

The gap changes with resolution.

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

Resolutioni5-11600KRyzen 9 3950XDifference
1080p7367+9%
1440p7169+3%
4K6870-3%

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.

i5-11600K + RTX 3080

Balanced

Neither part holds the other back.

Full verdict for this pairing →

Ryzen 9 3950X + RTX 3080

Balanced

Neither part holds the other back.

Full verdict for this pairing →
Game (1440p, paired with the RTX 3080)i5-11600KRyzen 9 3950X
League of Legends295 fps292 fps
Counter-Strike 2253 fps250 fps
Grand Theft Auto V127 fps126 fps
Elden Ring105 fps104 fps
Cyberpunk 207780 fps79 fps
Starfield79 fps79 fps

Modelled from benchmark data, not measured for every pairing. Our published error rate is 21.6% mean absolute error.

So which should you buy?

Whichever is cheaper on the day. There is roughly 3% between them at 1440p, which you will not notice in a game.

Affiliate links — we earn a small commission on Amazon purchases at no cost to you, which keeps the calculator free. Full disclosure.

Common questions.

Straight answers on the i5-11600K versus the Ryzen 9 3950X.

  • Is the i5-11600K better than the Ryzen 9 3950X?

    They are close enough to call a tie. At 1440p the i5-11600K scores 71 on our index against 69 for the Ryzen 9 3950X — a gap of about 3%, which is inside the margin where you would not feel a difference while gaming. Buy whichever is cheaper or easier to find.

  • Does the i5-11600K or Ryzen 9 3950X bottleneck a RTX 3080?

    Paired with a RTX 3080 at 1440p, the i5-11600K build comes out balanced, and the Ryzen 9 3950X 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 9 3950X to the i5-11600K?

    No. A 3% 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 i5-11600K or the Ryzen 9 3950X?

    On performance per dollar at MSRP, the i5-11600K wins. The i5-11600K lists at $262 for an index of 71, and the Ryzen 9 3950X at $749 for 69.

Check either one against your build.

Pick a CPU and its counterpart, and get a verdict at all three resolutions in under 30 seconds.