Intel Core Ultra 9 285K vs AMD Ryzen 5 9600X
Head-to-head CPU comparison: cores, clocks, cache, benchmarks, and value. Which belongs in your next build?
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.
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AMD Ryzen 5 9600X
The budget gamer's Zen 5 entry point. 6 cores is plenty for gaming, and the AM5 socket gives a long upgrade path.
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| Spec | Intel Core Ultra 9 285K | AMD Ryzen 5 9600X |
|---|---|---|
| Price (MSRP) | $589 | $279 |
| Cores / Threads | 24 / 24 | 6 / 12 |
| Performance Cores | 8 | 6 |
| Efficiency Cores | 16 | 0 |
| Base Clock | 3.7 GHz | 3.9 GHz |
| Boost Clock | 5.7 GHz | 5.4 GHz |
| L3 Cache | 36 MB | 32 MB |
| TDP | 125W | 65W |
| Socket | LGA 1851 | AM5 |
| Memory Support | DDR5-6400 | DDR5-5600 |
| Process Node | TSMC 3nm | TSMC 4nm |
| Cinebench R23 Multi | 42,800 | 16,800 |
| Cinebench R23 Single | 2,240 | 2,090 |
| Gaming Score | 82/100 | 78/100 |
| Productivity Score | 96/100 | 60/100 |
| Value Score | 70/100 | 88/100 |
The Verdict
Based on our benchmark database and scoring, the Intel Core Ultra 9 285K wins on gaming by about 4 points, the Intel Core Ultra 9 285K pulls ahead in productivity by 36 points. Overall the Intel Core Ultra 9 285K 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 Intel Core Ultra 9 285K needs an LGA 1851 motherboard, the AMD Ryzen 5 9600X needs AM5, so these aren't drop-in swaps on the same platform.