AMD Ryzen 9 9900X vs AMD Ryzen 9 9900X3D
90.1Single-core94.9
83Multi-core87
84.6Gamingspec-based93.8
2 spec wins — AMD Ryzen 9 9900X6 spec wins — AMD Ryzen 9 9900X3D
InnoReviews verdict
AMD Ryzen 9 9900X3D wins this desktop processor face-off, 91.1 to 85.5, pulling ahead mainly in single-core (+5) and multi-core (+4). AMD Ryzen 9 9900X still makes sense if its price or standout specs fit your needs better.
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
- Stronger single-core score: 95 vs 90
- Stronger multi-core score: 87 vs 83
- 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 7% | 3,388+3%Top 3% |
| Geekbench 6 (multi) | 19,800Top 15% | 20,889+6%Top 10% |
| Cinebench R23 (single) | 2,230Top 10% | — |
| Cinebench R23 (multi) | 32,000Top 15% | — |
| PassMark | 54,286Top 11% | 56,050+3%Top 10% |
| PassMark (single thread) | 4,670+1%Top 10% | 4,628Top 11% |
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