AMD Ryzen 7 7800X3D vs AMD Ryzen 9 9900X
Head-to-head CPU comparison: cores, clocks, cache, benchmarks, and value. Which belongs in your next build?

AMD Ryzen 7 7800X3D
The legendary gaming CPU. Even with the 9800X3D out, the 7800X3D remains a gaming monster and is now available at attractive prices. Perfect for AM5 builds on a tighter budget.
Buy on Amazon →AMD Ryzen 9 9900X
12 Zen 5 cores at a productivity-friendly price. Great for streamers and creators who want strong multithreaded performance without paying X3D premium.
Buy on Amazon →Spec Comparison
| Spec | AMD Ryzen 7 7800X3D | AMD Ryzen 9 9900X |
|---|---|---|
| Price (MSRP) | $449 | $499 |
| Cores / Threads | 8 / 16 | 12 / 24 |
| Performance Cores | 8 | 12 |
| Efficiency Cores | 0 | 0 |
| Base Clock | 4.2 GHz | 4.4 GHz |
| Boost Clock | 5.0 GHz | 5.6 GHz |
| L3 Cache | 96 MB | 64 MB |
| TDP | 120W | 120W |
| Socket | AM5 | AM5 |
| Memory Support | DDR5-5200 | DDR5-5600 |
| Process Node | TSMC 5nm | TSMC 4nm |
| Cinebench R23 Multi | 18,500 | 32,400 |
| Cinebench R23 Single | 1,820 | 2,180 |
| Gaming Score | 94/100 | 88/100 |
| Productivity Score | 70/100 | 91/100 |
| Value Score | 90/100 | 80/100 |
The Verdict
Based on our benchmark database and scoring, the AMD Ryzen 7 7800X3D wins on gaming by about 6 points, the AMD Ryzen 9 9900X pulls ahead in productivity by 21 points. Overall the AMD Ryzen 7 7800X3D 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.