AMD Ryzen 9 9950X3D vs Intel Core Ultra 9 285K
Head-to-head CPU comparison: cores, clocks, cache, benchmarks, and value. Which belongs in your next build?
AMD Ryzen 9 9950X3D
The undisputed king of gaming and productivity in 2025. The 9950X3D combines AMD's second-generation 3D V-Cache with 16 full Zen 5 cores, finally eliminating the gaming/productivity tradeoff that plagued previous X3D chips. This is the no-compromise CPU pick for builders who do everything.
Buy on Amazon →Intel Core Ultra 9 285K
Intel's Arrow Lake flagship. Massive multithreaded performance and dramatically improved efficiency over the previous generation. Gaming performance trails AMD's X3D chips, but productivity is competitive with the 9950X3D.
Buy on Amazon →Spec Comparison
| Spec | AMD Ryzen 9 9950X3D | Intel Core Ultra 9 285K |
|---|---|---|
| Price (MSRP) | $699 | $589 |
| Cores / Threads | 16 / 32 | 24 / 24 |
| Performance Cores | 16 | 8 |
| Efficiency Cores | 0 | 16 |
| Base Clock | 4.3 GHz | 3.7 GHz |
| Boost Clock | 5.7 GHz | 5.7 GHz |
| L3 Cache | 128 MB | 36 MB |
| TDP | 170W | 125W |
| Socket | AM5 | LGA 1851 |
| Memory Support | DDR5-5600 | DDR5-6400 |
| Process Node | TSMC 4nm | TSMC 3nm |
| Cinebench R23 Multi | 42,500 | 42,800 |
| Cinebench R23 Single | 2,280 | 2,240 |
| Gaming Score | 100/100 | 82/100 |
| Productivity Score | 100/100 | 96/100 |
| Value Score | 75/100 | 70/100 |
The Verdict
Based on our benchmark database and scoring, the AMD Ryzen 9 9950X3D wins on gaming by about 18 points, the AMD Ryzen 9 9950X3D pulls ahead in productivity by 4 points. Overall the AMD Ryzen 9 9950X3D comes out ahead in this matchup, but the right pick depends on what you're actually building: gaming-first rigs favor higher single-thread and 3D V-Cache designs, while streaming and content-creation rigs benefit more from raw multi-core output. Note the socket mismatch — the AMD Ryzen 9 9950X3D needs an AM5 motherboard, the Intel Core Ultra 9 285K needs LGA 1851, so these aren't drop-in swaps on the same platform.