AMD Ryzen 9 7900X vs AMD Ryzen 9 9900X
77.4Single-core90.1
78Multi-core83
84.6Gamingspec-based84.6
2 spec wins — AMD Ryzen 9 7900X10 spec wins — AMD Ryzen 9 9900X
InnoReviews verdict
AMD Ryzen 9 9900X wins this desktop processor face-off, 85.5 to 79.4, pulling ahead mainly in single-core (+13) and multi-core (+5). AMD Ryzen 9 7900X 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 7900X
- 42% higher Max turbo power: 230 W vs 162 W
Reasons to pick the AMD Ryzen 9 9900X
- Stronger single-core score: 90 vs 77
- Stronger multi-core score: 83 vs 78
- 50% higher Max memory: 192 GB vs 128 GB
- 29% lower Base TDP: 120 W vs 170 W
- 20% lower process: 4 nm vs 5 nm
General
| Spec | AMD Ryzen 9 7900X | AMD Ryzen 9 9900X |
|---|---|---|
| Announced | 2022 | 2024 |
| Socket | AM5 | AM5 |
| Process | 5 nm | 4 nm+20% |
| Base TDP | 170 W | 120 W+29% |
| Max turbo power | 230 W+42% | 162 W |
| Unlocked multiplier | Yes | Yes |
| Cooler included | No | No |
Cores & Clocks
| Spec | AMD Ryzen 9 7900X | AMD Ryzen 9 9900X |
|---|---|---|
| Cores | 12 | 12 |
| Performance cores | 12 | 12 |
| Efficiency cores | 0 | 0 |
| Threads | 24 | 24 |
| Base clock | 4.7 GHz+7% | 4.4 GHz |
| Boost clock | 5.6 GHz | 5.6 GHz |
| L2 cache | 12 MB | 12 MB |
| L3 cache | 64 MB | 64 MB |
Integrated GPU
| Spec | AMD Ryzen 9 7900X | AMD Ryzen 9 9900X |
|---|---|---|
| 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 7900X | AMD Ryzen 9 9900X |
|---|---|---|
| Memory support | DDR5-5200 | DDR5-5600 |
| Max memory | 128 GB | 192 GB+50% |
| Memory channels | 2 | 2 |
Platform
| Spec | AMD Ryzen 9 7900X | AMD Ryzen 9 9900X |
|---|---|---|
| PCIe version | 5 | 5 |
| CPU PCIe lanes | 28 | 28 |
Benchmarks
| Spec | AMD Ryzen 9 7900X | AMD Ryzen 9 9900X |
|---|---|---|
| Geekbench 6 (single) | 2,880Top 29% | 3,300+15%Top 8% |
| Geekbench 6 (multi) | 18,500Top 20% | 19,800+7%Top 17% |
| Cinebench R23 (single) | 2,000Top 27% | 2,230+12%Top 10% |
| Cinebench R23 (multi) | 29,000Top 20% | 32,000+10%Top 16% |
| PassMark | 51,211Top 12% | 54,286+6%Top 11% |
| PassMark (single thread) | 4,225Top 22% | 4,670+11%Top 10% |
Related comparisons
AMD Ryzen 9 7900Xvs Intel Core Ultra 5 250K PlusVSAMD Ryzen 9 7900Xvs Intel Core i7-14700KVSAMD Ryzen 9 7900Xvs AMD Ryzen 7 9850X3DVSAMD Ryzen 9 7900Xvs Intel Core Ultra 5 250KF PlusVSAMD Ryzen 9 9900Xvs AMD Ryzen 9 PRO 9965X3DVSAMD Ryzen 9 9900Xvs Intel Core i9-14900KFVSAMD Ryzen 9 9900Xvs Intel Core Ultra 7 265KFVSAMD Ryzen 9 9900Xvs AMD Ryzen 9 7950XVS