Experience the pinnacle of processing power with the Intel Core i9 12900K, a formidable player in the Alder Lake 12th Gen lineup. It boasts 16 cores (8 performance and 8 efficient) and 24 threads, with a base clock of 3.2 GHz that turbo boosts up to 5.1 GHz, and even 5.2 GHz with Turbo Boost Max Technology 3.0. This unlocked processor offers extensive overclocking capabilities, including a full-range base clock. It supports up to DDR4-3200 and DDR5-4800 memory across dual channels, with 20 PCIe 4.0/5.0 lanes for expansive connectivity. With a TDP of 125W, this chip delivers high performance for gaming and demanding applications. Note: Integrated graphics are not included.
Intel 16 Core i9 12900KF Alder Lake CPU/Processor
| Model & Type | |
|---|---|
| CPU Type | Intel Core i9 |
| CPU Model | 12900K |
| Socket | 1700 |
| Architecture | Alder Lake 12th Gen |
| Manufacturing Process |
| Cores & Clocks | |
|---|---|
| No. of Cores | 16 Core (8 Performance, 8 Efficient) |
| No. of Threads | 24 |
| Core Ratio | 32 x |
| Clock Speed | 3.2 GHz |
| Turbo Speed | 5.1 GHz |
| Turbo Boost Max Technology 3.0 Speed | 5.2 GHz |
| Thermal Velocity Boost Speed | |
| Unlocked Core Multiplier | Yes |
| Unlocked Full Range Base Clock (B-Clock) | Yes |
| Bus Speeds | |
|---|---|
| FSB Speed | N/A |
| QPI Speed | N/A |
| UPI Links/Speed | N/A |
| DMI Speed | N/A |
| Memory Support | |
|---|---|
| Max. Memory Size | |
| Max. Memory Speed | DDR4 - 3200 / DDR5 - 4800MHz |
| Max. Memory Channels | 2 (Dual Channel) |
| ECC Memory | |
| Intel Optane Memory | No |
| Intel Optane DC Persistent Memory | No |
| Lanes & Features | |
|---|---|
| Intel Deep Learning Boost Support | No |
| Scalability | 1 Socket/Processor ONLY |
| Node Controller Support | No |
| PCIe Version | 4.0 / 5.0 |
| PCIe Lanes | 20 |
| Integrated Graphics | |
|---|---|
| Features Integrated Graphics | No |
| Integrated Graphics Model/Type | N/A |
| iGPU Cores | |
| iGPU Base Clock | N/A |
| iGPU Boost Clock | N/A |
| iGPU Max. Resolution |
| CPU Cache | |
|---|---|
| L1 Cache | |
| L2 Cache | |
| L3 Cache | |
| Intel® Smart Cache | 30MB |
| Thermals & Package | |
|---|---|
| Max. TDP | 125W |





































