AMD Ryzen 9 9900X3D vs Intel Core i9-12900K
—Single-core72.2
86.2Multi-core70.4
93.8Gamingspec-based63.8
10 spec wins — AMD Ryzen 9 9900X3D3 spec wins — Intel Core i9-12900K
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 9900X3D
- Stronger multi-core score: 86 vs 70
- 327% higher L3 cache: 128 MB vs 30 MB
- 100% higher Max memory: 256 GB vs 128 GB
- 60% lower process: 4 nm vs 10 nm
- 50% higher Performance cores: 12 vs 8
Reasons to pick the Intel Core i9-12900K
- 33% higher cores: 16 vs 12
- 17% higher L2 cache: 14 MB vs 12 MB
General
| Spec | AMD Ryzen 9 9900X3D | Intel Core i9-12900K |
|---|---|---|
| Announced | 2025 | 2021 |
| Socket | AM5 | LGA1700 |
| Process | 4 nm+60% | 10 nm |
| Base TDP | 120 W+4% | 125 W |
| Max turbo power | — | 241 W |
| Unlocked multiplier | Yes | Yes |
| Cooler included | No | No |
Cores & Clocks
| Spec | AMD Ryzen 9 9900X3D | Intel Core i9-12900K |
|---|---|---|
| Cores | 12 | 16+33% |
| Performance cores | 12+50% | 8 |
| Efficiency cores | 0 | 8 |
| Threads | 24 | 24 |
| Base clock | 4.4 GHz+38% | 3.2 GHz |
| Boost clock | 5.5 GHz+6% | 5.2 GHz |
| L2 cache | 12 MB | 14 MB+17% |
| L3 cache | 128 MB+327% | 30 MB |
Integrated GPU
| Spec | AMD Ryzen 9 9900X3D | Intel Core i9-12900K |
|---|---|---|
| iGPU | AMD Radeon Graphics (2 CU RDNA 2) | Intel UHD Graphics 770 |
| iGPU clock | 2,200 MHz | 1,550 MHz |
Memory
| Spec | AMD Ryzen 9 9900X3D | Intel Core i9-12900K |
|---|---|---|
| Memory support | DDR5-5600 | DDR5-4800 / DDR4-3200 |
| Max memory | 256 GB+100% | 128 GB |
| Memory channels | 2 | 2 |
Platform
| Spec | AMD Ryzen 9 9900X3D | Intel Core i9-12900K |
|---|---|---|
| PCIe version | 5 | 5 |
| CPU PCIe lanes | 28+40% | 20 |
Benchmarks
| Spec | AMD Ryzen 9 9900X3D | Intel Core i9-12900K |
|---|---|---|
| Geekbench 6 (single) | — | 2,715Top 32% |
| Geekbench 6 (multi) | — | 17,450Top 24% |
| Cinebench R23 (single) | — | 1,903Top 30% |
| Cinebench R23 (multi) | — | 26,229Top 19% |
| PassMark | 56,050+36%Top 12% | 41,103Top 24% |
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