Ryzen 9 3950X vs Ryzen 7 5700X3D
The Ryzen 9 3950X is about 5% faster at 1440p. Whether that is worth it depends on the rest of your build.
The gap changes with resolution.
CPU differences shrink as resolution rises — at 4K the graphics card does most of the work.
| Resolution | Ryzen 9 3950X | Ryzen 7 5700X3D | Difference |
|---|---|---|---|
| 1080p | 67 | 67 | 0% |
| 1440p | 69 | 66 | +5% |
| 4K | 70 | 64 | +9% |
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.
Ryzen 7 5700X3D + RTX 3080
0% CPU-bound
The processor is the limit here and leaves frames on the table.
Full verdict for this pairing →| Game (1440p, paired with the RTX 3080) | Ryzen 9 3950X | Ryzen 7 5700X3D |
|---|---|---|
| League of Legends | 292 fps | 287 fps |
| Counter-Strike 2 | 250 fps | 245 fps |
| Grand Theft Auto V | 126 fps | 124 fps |
| Elden Ring | 104 fps | 103 fps |
| Cyberpunk 2077 | 79 fps | 78 fps |
| Starfield | 79 fps | 78 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?
The Ryzen 9 3950X is faster, but the Ryzen 7 5700X3D is the better buy per dollar. Take the Ryzen 9 3950X only if you want the extra headroom and the price gap doesn't bother you.
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Common questions.
Straight answers on the Ryzen 9 3950X versus the Ryzen 7 5700X3D.
Is the Ryzen 9 3950X better than the Ryzen 7 5700X3D?
Yes, but by less than the spec sheet suggests. At 1440p the Ryzen 9 3950X scores 69 against 66 for the Ryzen 7 5700X3D — roughly 5% faster. It also costs about $500 more at MSRP, so the question is whether that gap is worth the money for your build.
Does the Ryzen 9 3950X or Ryzen 7 5700X3D bottleneck a RTX 3080?
Paired with a RTX 3080 at 1440p, the Ryzen 9 3950X build comes out balanced, and the Ryzen 7 5700X3D build comes out 0% CPU-bound. 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 5700X3D to the Ryzen 9 3950X?
Only if you are also lifting the rest of the build. The Ryzen 9 3950X is about 5% ahead at 1440p, and gaps like that shrink further at 4K where the GPU does more of the work. If you are upgrading from the Ryzen 7 5700X3D purely for frames, check the pairing first.
Which is better value, the Ryzen 9 3950X or the Ryzen 7 5700X3D?
On performance per dollar at MSRP, the Ryzen 7 5700X3D wins. The Ryzen 9 3950X lists at $749 for an index of 69, and the Ryzen 7 5700X3D at $249 for 66.
Check either one against your build.
Pick a CPU and its counterpart, and get a verdict at all three resolutions in under 30 seconds.