AMD Ryzen 9 9900X vs AMD Ryzen 9 9900X3D
90.1Single-core—
83.6Multi-core86.2
84.6Gamingspec-based93.8
1 spec wins — AMD Ryzen 9 9900X4 spec wins — AMD Ryzen 9 9900X3D
InnoReviews verdict
No overall winner yet: AMD Ryzen 9 9900X3D lacks the published benchmark results an Inno Score requires, so there is no Inno Score to compare — we don't rank chips on their spec sheet alone. The spec table below still shows every difference we track.
Which would you pick?
Key differences
Reasons to pick the AMD Ryzen 9 9900X
- Lower launch price: $499 vs $599
Reasons to pick the AMD Ryzen 9 9900X3D
- 100% higher L3 cache: 128 MB vs 64 MB
- 33% higher Max memory: 256 GB vs 192 GB
General
| Spec | AMD Ryzen 9 9900X | AMD Ryzen 9 9900X3D |
|---|---|---|
| Announced | 2024 | 2025 |
| Socket | AM5 | AM5 |
| Process | 4 nm | 4 nm |
| Base TDP | 120 W | 120 W |
| Max turbo power | 162 W | — |
| Unlocked multiplier | Yes | Yes |
| Cooler included | No | No |
Cores & Clocks
| Spec | AMD Ryzen 9 9900X | AMD Ryzen 9 9900X3D |
|---|---|---|
| Cores | 12 | 12 |
| Performance cores | 12 | 12 |
| Efficiency cores | 0 | 0 |
| Threads | 24 | 24 |
| Base clock | 4.4 GHz | 4.4 GHz |
| Boost clock | 5.6 GHz+2% | 5.5 GHz |
| L2 cache | 12 MB | 12 MB |
| L3 cache | 64 MB | 128 MB+100% |
Integrated GPU
| Spec | AMD Ryzen 9 9900X | AMD Ryzen 9 9900X3D |
|---|---|---|
| iGPU | AMD Radeon Graphics (2 CU RDNA 2) | AMD Radeon Graphics (2 CU RDNA 2) |
| iGPU clock | 2,200 MHz | 2,200 MHz |
Memory
| Spec | AMD Ryzen 9 9900X | AMD Ryzen 9 9900X3D |
|---|---|---|
| Memory support | DDR5-5600 | DDR5-5600 |
| Max memory | 192 GB | 256 GB+33% |
| Memory channels | 2 | 2 |
Platform
| Spec | AMD Ryzen 9 9900X | AMD Ryzen 9 9900X3D |
|---|---|---|
| PCIe version | 5 | 5 |
| CPU PCIe lanes | 28 | 28 |
Benchmarks
| Spec | AMD Ryzen 9 9900X | AMD Ryzen 9 9900X3D |
|---|---|---|
| Geekbench 6 (single) | 3,300Top 6% | — |
| Geekbench 6 (multi) | 19,800Top 15% | — |
| Cinebench R23 (single) | 2,230Top 11% | — |
| Cinebench R23 (multi) | 32,000Top 14% | — |
| PassMark | 55,500Top 13% | 56,050+1%Top 12% |
Related comparisons
AMD Ryzen 9 9900Xvs Intel Core i9-13900KVSAMD Ryzen 9 9900Xvs AMD Ryzen 9 7950XVSAMD Ryzen 9 9900Xvs Intel Core Ultra 7 265KFVSAMD Ryzen 9 9900Xvs Intel Core i9-14900KVSAMD Ryzen 9 9900X3Dvs AMD Ryzen 9 7900X3DVSAMD Ryzen 9 9900X3Dvs AMD Ryzen 9 7950X3DVSAMD Ryzen 9 9900X3Dvs AMD Ryzen 9 9950X3DVSAMD Ryzen 9 9900X3Dvs AMD Ryzen 7 9850X3DVS