| Spec | Ryzen 9 9900X3D | Core i5-8400 |
|---|---|---|
| Performance | ||
| Total Cores | 12+100% | 6 |
| Threads | 24+300% | 6 |
| Boost Clock | 5.5 GHz+38% | 4 GHz |
| Base Clock | 4.4 GHz+57% | 2.8 GHz |
| Cache | ||
| L3 Cache | 128 MB+1322% | 9 MB |
| L2 Cache | 12 MB+700% | 1.5 MB |
| Platform | ||
| Socket | ||
| AM5 |
| LGA1151 |
| Architecture | Granite Ridge | Coffee Lake |
| Process Node | 4 nm | 14 nm |
| Memory Support | DDR5 | DDR4 |
| Max Memory | 192 GB+200% | 64 GB |
| PCIe Lanes | 28+75% | 16 |
| PCIe Version | 5+67% | 3 |
| Power | ||
| TDP | 120W | 65W+85% |
| Max Turbo Power | 162W | 65W+149% |
| Features | ||
| Unlocked | Yes | No |
| Cooler Included | No | Yes |
| Integrated GPU | Yes | Yes |
| iGPU Model | AMD Radeon Graphics (RDNA 2) | Intel UHD Graphics 630 |
| Price | ||
| MSRP | $599 | $182+229% |
| Release Date | 2025-03-12 | 2017-10-05 |
