Intel
Core Ultra 9 285K
Arrow Lake · 24C · 5.7 GHz · LGA1851
89
/ 100
From $589
VS
Ryzen 9 9950X3D wins by 7
AMD
Ryzen 9 9950X3D
Zen 5 · 16C/32T · 3D V-Cache · AM5
96
/ 100
From $699
Specdex verdict
Ryzen 9 9950X3D takes it — here’s why.
In our weighted Specdex score, Core Ultra 9 285K lands at 89 and Ryzen 9 9950X3D at 96. That puts Ryzen 9 9950X3D ahead by 7 points — a decisive margin driven mostly by its strengths in the categories below.
Pick Core Ultra 9 285K if…
- ✓Far more efficient than 14900K
- ✓Strong multi-thread productivity
- ✓New LGA1851 platform with DDR5-6400
Pick Ryzen 9 9950X3D if…
- ✓16C productivity + 3D V-Cache on gaming CCD
- ✓Lower power than Intel 14900K
- ✓Overclockable unlike prior X3D parts
Core Ultra 9 285K 89
vs 96 Ryzen 9 9950X3D
Score breakdown
Core Ultra 9 285K
89 single 92
multi 94
gaming 85
efficiency 90
Ryzen 9 9950X3D
96 single 96
multi 98
gaming 99
efficiency 88
Specs side-by-side
| Spec | Core Ultra 9 285K | Ryzen 9 9950X3D |
|---|---|---|
| Cores | ▲ 24 (8P + 16E) | 16 (16C/32T; only one CCD carries 3D V-Cache) |
| Threads | 24 | ▲ 32 |
| Base clock | 3.7 GHz | 4.3 GHz |
| Boost clock | 5.7 GHz | 5.7 GHz |
| L3 cache | 36 MB | ▲ 128 MB (96 MB stacked + 32 MB) |
| TDP | 125 W (PL1) / 250 W (PL2) | 170 W |
| Socket | LGA1851 | AM5 |
| Process | TSMC N3B | TSMC 4 nm |
| iGPU | ▲ Intel Graphics (Xe-LPG, 4 Xe cores @ 2.0 GHz) | Radeon Graphics (RDNA 2, 2 CUs) |
| NPU | 13 TOPS | — |
| Memory | DDR5-6400 | DDR5-5600 |
Core Ultra 9 285K
Pros
- +Far more efficient than 14900K
- +Strong multi-thread productivity
- +New LGA1851 platform with DDR5-6400
Cons
- −Gaming regresses vs 14900K in some titles
- −No hyper-threading (24 threads from 24 cores)
- −13 TOPS NPU is modest
Ryzen 9 9950X3D
Pros
- +16C productivity + 3D V-Cache on gaming CCD
- +Lower power than Intel 14900K
- +Overclockable unlike prior X3D parts
Cons
- −$699 premium pricing
- −Only one CCD has the stacked cache
- −X870E motherboard recommended
FAQ: Core Ultra 9 285K vs Ryzen 9 9950X3D
Which is better, Core Ultra 9 285K or Ryzen 9 9950X3D? +
Ryzen 9 9950X3D scores 96 on our weighted rubric — ahead by 7. Your best pick depends on the sub-scores above.
Is Core Ultra 9 285K worth the price? +
At $589, Core Ultra 9 285K delivers a Specdex score of 89 — strongest in multi.
Is Ryzen 9 9950X3D worth the price? +
At $699, Ryzen 9 9950X3D delivers a Specdex score of 96 — strongest in gaming.
Does Core Ultra 9 285K or Ryzen 9 9950X3D last longer? +
Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.