| Launch date | Q4'21 |
| Intel® Turbo Boost Max Technology 3.0 frequency | 5.2 GHz |
| Maximum turbo power | 241 W |
| Memory bandwidth (max) | 76.8 GB/s |
| Commodity Classification Automated Tracking System (CCATS) | G167599 |
| Target market | Gaming, Content Creation |
| Intel Turbo Boost Max Technology 3.0 | Y |
| Performance-core boost frequency | 5.1 GHz |
| Efficient-core boost frequency | 3.9 GHz |
| Processor base power | 125 W |
| Maximum number of DMI lanes | 8 |
| Intel® Control-flow Enforcement Technology (CET) | Y |
| Intel® Thread Director | Y |
| Tjunction | 100 °C |
| Maximum internal memory | 128 GB |
| On-board graphics card | N |
| Discrete graphics card model | Not available |
| Supported instruction sets | SSE4.1,SSE4.2,AVX 2.0 |
| Processor generation | 12th gen Intel® Core™ i9 |
| Discrete graphics card | N |
| Intel® Optane™ Memory Ready | Y |
| Harmonized System (HS) code | 8542310001 |
| Box | Y |
| Market segment | Desktop |
| Status | Launched |
| Export Control Classification Number (ECCN) | 5A992CN3 |
| Intel® Boot Guard | Y |
| Intel® Speed Shift Technology | Y |
| Intel® Volume Management Device (VMD) | Y |
| Mode-based Execute Control (MBE) | Y |
| Use conditions | PC/Client/Tablet |
| Intel® Deep Learning Boost (Intel® DL Boost) | Y |
| Performance cores | 8 |
| Efficient cores | 8 |
| Performance-core base frequency | 3.2 GHz |
| Efficient-core base frequency | 2.4 GHz |
| Package type | Retail box |
| Component for | PC |
| Memory channels | Dual-channel |
| PCI Express configurations | 1x16+1x4,2x8+1x4 |
| PCI Express slots version | 5.0,4.0 |
| Processor codename | Alder Lake |
| Processor package size | 45 x 37.5 mm |
| Memory bandwidth supported by processor (max) | 76.8 GB/s |
| Processor family | Intel® Core™ i9 |
| Processor manufacturer | Intel |
| Processor model | i9-12900KF |
| Processor boost frequency | 5.2 GHz |
| Processor cores | 16 |
| Processor threads | 24 |
| Processor cache | 30 MB |
| Bus type | DMI4 |
| CPU configuration (max) | 1 |
| Processor cache type | Smart Cache |
| Processor operating modes | 64-bit |
| Processor socket | LGA 1700 |
| Scalability | 1S |
| On-board graphics card model | Not available |
| Maximum internal memory supported by processor | 128 GB |
| Thermal solution specification | PCG 2020A |
| Maximum number of PCI Express lanes | 20 |
| Memory types supported by processor | DDR4-SDRAM,DDR5-SDRAM |
| Embedded options available | N |
| Enhanced Intel SpeedStep Technology | Y |
| Execute Disable Bit | Y |
| Idle States | Y |
| Intel 64 | Y |
| Intel Virtualization Technology (VT-x) | Y |
| Intel VT-x with Extended Page Tables (EPT) | Y |
| Intel® AES New Instructions (Intel® AES-NI) | Y |
| Intel® OS Guard | Y |
| Intel® Secure Key | Y |
| Intel® Turbo Boost Technology | 2.0 |
| Thermal Monitoring Technologies | Y |