| Processor family | Intel® Core™ i9 |
| Processor cores | 16 |
| Processor socket | LGA 1700 |
| Box | Yes |
| Processor manufacturer | Intel |
| Processor model | i9-12900KS |
| Processor operating modes | 64-bit |
| Processor generation | 12th gen Intel® Core™ i9 |
| Processor threads | 24 |
| Performance cores | 8 |
| Efficient cores | 8 |
| Processor boost frequency | 5.5 GHz |
| Performance-core boost frequency | 5.2 GHz |
| Performance-core base frequency | 3.4 GHz |
| Efficient-core boost frequency | 4 GHz |
| Efficient-core base frequency | 2.5 GHz |
| Processor cache | 30 MB |
| Processor cache type | Smart Cache |
| Processor base power | 150 W |
| Maximum turbo power | 241 W |
| Bus type | DMI4 |
| Maximum number of DMI lanes | 8 |
| Memory bandwidth supported by processor (max) | 76.8 GB/s |
| Processor codename | Alder Lake |
| Processor ARK ID | 225916 |
| Memory channels | Dual-channel |
| Maximum internal memory supported by processor | 128 GB |
| Memory types supported by processor | DDR4-SDRAM, DDR5-SDRAM |
| ECC | Yes |
| Memory bandwidth (max) | 76.8 GB/s |
| On-board graphics card | Yes |
| Discrete graphics card | No |
| On-board graphics card model | Intel UHD Graphics 770 |
| Discrete graphics card model | Not available |
| On-board graphics card outputs supported | Embedded DisplayPort (eDP) 1.4b, DisplayPort 1.4a, HDMI 2.1 |
| On-board graphics card base frequency | 300 MHz |
| On-board graphics card dynamic frequency (max) | 1550 MHz |
| Number of displays supported (on-board graphics) | 4 |
| On-board graphics card DirectX version | 12.0 |
| On-board graphics card OpenGL version | 4.5 |
| On-board graphics card maximum resolution (DisplayPort) | 7680 x 4320 pixels |
| On-board graphics card maximum resolution (eDP - Integrated Flat Panel) | 5120 x 3200 pixels |
| On-board graphics card maximum resolution (HDMI) | 4096 x 2160 pixels |
| On-board graphics card refresh rate at maximum resolution (DisplayPort) | 60 Hz |
| On-board graphics card refresh rate at maximum resolution (eDP - Integrated Flat Panel) | 120 Hz |
| On-board graphics card refresh rate at maximum resolution (HDMI) | 60 Hz |
| On-board graphics card ID | 0x4680 |
| Number of execution units | 32 |
| Multi-Format Codec Engines | 2 |
| Execute Disable Bit | Yes |
| Idle States | Yes |
| Thermal Monitoring Technologies | Yes |
| Market segment | Desktop |
| Use conditions | PC/Client/Tablet |
| Maximum number of PCI Express lanes | 20 |
| PCI Express slots version | 4.0, 5.0 |
| PCI Express configurations | 1x16+1x4, 2x8+1x4 |
| Supported instruction sets | SSE4.1, SSE4.2, AVX 2.0 |
| Scalability | 1S |
| CPU configuration (max) | 1 |
| Embedded options available | No |
| Direct Media Interface (DMI) Revision | 4.0 |
| Export Control Classification Number (ECCN) | 5A992CN3 |
| Commodity Classification Automated Tracking System (CCATS) | G167599 |
| Intel® Hyper Threading Technology (Intel® HT Technology) | Yes |
| Intel® Turbo Boost Technology | 2.0 |
| Intel® Quick Sync Video Technology | Yes |
| Intel® Clear Video HD Technology (Intel® CVT HD) | Yes |
| Intel® AES New Instructions (Intel® AES-NI) | Yes |
| Enhanced Intel SpeedStep Technology | Yes |
| Intel Trusted Execution Technology | Yes |
| Intel® Speed Shift Technology | Yes |
| Intel® Thermal Velocity Boost | Yes |
| Intel® Adaptive Boost Technology | Yes |
| Intel® Turbo Boost Max Technology 3.0 frequency | 5.3 GHz |
| Intel® Total Memory Encryption | Yes |
| Intel® Gaussian & Neural Accelerator (Intel® GNA) 3.0 | Yes |
| Intel® Thermal Velocity Boost Temperature | 50 °C |
| Intel® Thermal Velocity Boost Frequency | 5.5 GHz |
| Intel® Control-flow Enforcement Technology (CET) | Yes |
| Intel® Thread Director | Yes |
| Intel VT-x with Extended Page Tables (EPT) | Yes |
| Intel® Secure Key | Yes |
| Intel® Active Management Technology (Intel® AMT) | Yes |
| Intel® OS Guard | Yes |
| Intel 64 | Yes |
| Intel Virtualization Technology (VT-x) | Yes |
| Intel Virtualization Technology for Directed I/O (VT-d) | Yes |
| Intel Turbo Boost Max Technology 3.0 | Yes |
| Intel® Optane™ Memory Ready | Yes |
| Intel® Boot Guard | Yes |
| Intel® Deep Learning Boost (Intel® DL Boost) | Yes |
| Intel® Volume Management Device (VMD) | Yes |
| Mode-based Execute Control (MBE) | Yes |
| Intel® vPro™ Platform Eligibility | Yes |
| Intel® Standard Manageability (ISM) | Yes |
| Intel® One-Click Recovery | Yes |
| Intel® Virtualization Technology with Redirect Protection (VT-rp) | Yes |
| Intel vPro® Enterprise Platform Eligibility | Yes |
| Intel® Threat Detection Technology (TDT) | Yes |
| Intel® Hardware Shield Eligibility | Yes |
| Intel® Total Memory Encryption - Multi Key | Yes |
| Tjunction | 90 °C |
| OpenCL version | 2.1 |
| Harmonized System (HS) code | 85423119 |
| Package type | Retail box |
| Processor package size | 45 x 37.5 mm |
| Maximum internal memory | 128 GB |
| Target market | Gaming, Content Creation |
| Launch date | Q1'22 |
| Status | Launched |
| Graphics output | eDP 1.4b, DP 1.4a, HDMI 2.1 |
| Description |
| Intel Core i9-12900KS. Processor family: Intel® Core™ i9, Processor socket: LGA 1700, Processor manufacturer: Intel. Memory channels: Dual-channel, Maximum internal memory supported by processor: 128 GB, Memory types supported by processor: DDR4-SDRAM, DDR5-SDRAM. On-board graphics card model: Intel UHD Graphics 770, On-board graphics card outputs supported: Embedded DisplayPort (eDP) 1.4b, DisplayPort 1.4a, HDMI 2.1, On-board graphics card base frequency: 300 MHz. Market segment: Desktop, Use conditions: PC/Client/Tablet, PCI Express slots version: 4.0, 5.0. Intel® Turbo Boost Max Technology 3.0 frequency: 5.3 GHz, Intel® Thermal Velocity Boost Temperature: 50 °C, Intel® Thermal Velocity Boost Frequency: 5.5 GHz |
