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AMD Ryzen 9 9900X3D vs Intel Core i9-12900K: Comparison
AMD Ryzen 9 9900X3D and Intel Core i9-12900K separate most on l3 cache: AMD Ryzen 9 9900X3D at 128 MB, Intel Core i9-12900K at 30 MB, 77% in favour of AMD Ryzen 9 9900X3D. PCIe Lanes splits them by another 17%, again favouring AMD Ryzen 9 9900X3D. They match on 10 other specifications, including form factor, market segment and smt enabled.
Specs
| Specification |  |  |
|---|---|---|
| Form Factor | Desktop | Desktop |
| Codename | Granite Ridge | Alder Lake |
| Release Year | 2024 | 2022 |
| TDP | 120 W | 125 W |
| iGPU | AMD Radeon Graphics (2 CUs, RDNA 2) | Intel UHD Graphics 770 |
| Market Segment | Desktop | Desktop |
| Socket | AM5 (LGA 1718) | LGA 1700 |
| Socket Status | Current | Mature |
| Process Node | 4 nm | 10 nm |
| Performance Cores | 12 | 8 |
| Efficiency Cores | 0 | 8 |
| SMT Enabled | true | true |
| P-Core Base Clock | 4.4 | 3.2 |
| P-Core Boost Clock | 5.5 | 5.2 |
| Unlocked Multiplier | true | true |
| L2 Cache | 12 MB-14% | 14 MB |
| L3 Cache | 128 MB | 30 MB-77% |
| Base Power | 120 W | 125 W |
| Max Turbo Power | 162 | 241 |
| Memory Type | DDR5 | DDR5 or DDR4 |
| Max Memory Speed | 5600 | 4800 |
| Memory Channels | 2 | 2 |
| Max Memory Capacity | 256 | 128 |
| Integrated Graphics | Yes | Yes |
| iGPU Model | AMD Radeon Graphics | Intel UHD Graphics 770 |
| iGPU Compute Units | 2 | 32 |
| Copilot Plus Certified | false | false |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| PCIe Lanes | 24 | 20-17% |
| Launch MSRP | 599 | 589 |
| Retail Availability | Boxed Retail | Boxed Retail |
| Cores | 12 | 16 |
| Threads | 24 | 24 |
| Architecture | Zen 5 (9000 series) | Alder Lake |
Verdict
AMD Ryzen 9 9900X3D
9.2 / 10 Expert Rating
The AMD Ryzen 9 9900X3D is one of the best gaming CPUs available, its huge L3 cache translating directly into higher in-game frame rates.
Intel Core i9-12900K
7.9 / 10 Expert Rating
The Intel Core i9-12900K is an unlocked overclockable chip, well suited to enthusiast gaming and productivity builds.