Intel · 2021
Intel Core i9-12900K
The Intel Core i9-12900K is a 16-core desktop processor released in 2021, featuring Alder Lake architecture and an unlocked multiplier.
The Intel Core i9-12900K is a high-end desktop processor based on the Alder Lake microarchitecture, released in November 2021. It features a hybrid architecture with 8 performance cores (P-cores) and 8 efficient cores (E-cores), totaling 16 cores and 24 threads. The base clock is 3.2 GHz, with a maximum boost clock of 5.2 GHz. It includes 1408 KB L1 cache, 14 MB L2 cache, and 30 MB L3 cache. The processor is built on a 7 nm process node and has a TDP of 125 W, with a maximum turbo power of 241 W. It supports up to DDR5-4800 or DDR4-3200 memory across two channels, and includes ECC memory support. Integrated graphics are provided by Intel UHD Graphics 770. The CPU offers 20 PCIe lanes, supporting PCIe 5.0 and 4.0, and is compatible with the FCLGA1700 socket. It supports instruction sets including SSE4.1, SSE4.2, and AVX2. The launch MSRP was $589.
Specifications
| Microarchitecture unverified | Alder Lake |
|---|---|
| Cores | 16 |
| P-cores | 8 |
| E-cores | 8 |
| Threads | 24 |
| Base clock | 3.2 GHz |
| Boost clock | 5.2 GHz |
| L1 cache (total) unverified | 1408 KB |
| L2 cache (total) | 14 MB |
| L3 cache | 30 MB |
| Process node | 7 nm |
| TDP / base power | 125 W |
| Max turbo power | 241 W |
| Socket | FCLGA1700 |
| Memory support | Up to DDR5 4800 MT/s Up to DDR4 3200 MT/s |
| Memory channels | 2 |
| ECC memory support | Yes |
| Integrated graphics | Intel UHD Graphics 770 |
| PCIe lanes (CPU) | 20 |
| PCIe version | 5.0 and 4.0 |
| Instruction sets | Intel SSE4.1, Intel SSE4.2, Intel AVX2 |
| Unlocked multiplier | Yes |
| Release date | 2021-11-01 |
| Release year | 2021 |
| Launch MSRP | 589 USD |