| Spec | Ryzen 9 3900X | Ryzen 9 9900X3D |
|---|---|---|
| Performance | ||
| Total Cores | 12 | 12 |
| Threads | 24 | 24 |
| Boost Clock | 4.6 GHz | 5.5 GHz+16% |
| Base Clock | 3.8 GHz | 4.4 GHz+14% |
| Cache | ||
| L3 Cache | 64 MB | 128 MB+50% |
| L2 Cache | 6 MB | 12 MB+50% |
| Platform | ||
| Socket | AM4 | |
| AM5 |
| Architecture | Matisse | Granite Ridge |
| Process Node | 7 nm | 4 nm |
| Memory Support | DDR4 | DDR5 |
| Max Memory | 128 GB | 192 GB+33% |
| PCIe Lanes | 24 | 28+14% |
| PCIe Version | 4 | 5+20% |
| Power | ||
| TDP | 105W+12% | 120W |
| Max Turbo Power | 142W+12% | 162W |
| Features | ||
| Unlocked | Yes | Yes |
| Cooler Included | Yes | No |
| Integrated GPU | No | Yes |
| iGPU Model | N/A | AMD Radeon Graphics (RDNA 2) |
| Price | ||
| MSRP | $499+17% | $599 |
| Release Date | 2019-07-01 | 2025-03-12 |
