AMD Ryzen 9 7900X vs AMD Ryzen 9 9900X
77.4Single-core90.1
78.5Multi-core83.6
84.6Gaming84.6
2 spec wins — AMD Ryzen 9 7900X9 spec wins — AMD Ryzen 9 9900X
InnoReviews verdict
AMD Ryzen 9 9900X wins this desktop processor face-off, 85.8 to 79.7, 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: 84 vs 79
- 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) | 2,880 | 3,300+15% |
| Geekbench 6 (multi) | 18,500 | 19,800+7% |
| Cinebench R23 (single) | 2,000 | 2,230+12% |
| Cinebench R23 (multi) | 29,000 | 32,000+10% |
| PassMark | 52,500 | 55,500+6% |
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