- Product Collection 12th Generation Intel Core™ i9 Processors
- Code Name Products formerly Alder Lake
- Vertical Segment Desktop
- Processor Number i9-12900KS
- Status Launched
- Launch Date Q1'22
- Lithography Intel 7
- Use Conditions PC/Client/Tablet
CPU Specifications
- Total Cores 16
- # of Performance-cores 8
- # of Efficient-cores 8
- Total Threads 24
- Max Turbo Frequency 5.50 GHz
- Intel Thermal Velocity Boost Frequency 5.50 GHz
- Intel Turbo Boost Max Technology 3.0 Frequency ‡ 5.30 GHz
- Performance-core Max Turbo Frequency 5.20 GHz
- Efficient-core Max Turbo Frequency 4.00 GHz
- Performance-core Base Frequency 3.40 GHz
- Efficient-core Base Frequency 2.50 GHz
- Cache 30 MB Intel Smart Cache
- Total L2 Cache 14 MB
- Processor Base Power 150 W
- Maximum Turbo Power 241 W
Supplemental Information
- Embedded Options Available No
- Datasheet View now
Memory Specifications
- Max Memory Size (dependent on memory type) 128 GB
- Memory Types Up to DDR5 4800 MT/s
Up to DDR4 3200 MT/s - Max # of Memory Channels 2
- Max Memory Bandwidth 76.8 GB/s
- ECC Memory Supported ‡ Yes
Processor Graphics
- Processor Graphics ‡ Intel UHD Graphics 770
- Graphics Base Frequency 300 MHz
- Graphics Max Dynamic Frequency 1.55 GHz
- Graphics Output eDP 1.4b, DP 1.4a, HDMI 2.1
- Execution Units 32
- Max Resolution (HDMI)‡ 4096 x 2160 @ 60Hz
- Max Resolution (DP)‡ 7680 x 4320 @ 60Hz
- Max Resolution (eDP - Integrated Flat Panel)‡ 5120 x 3200 @ 120Hz
- DirectX* Support 12
- OpenGL* Support 4.5
- Multi-Format Codec Engines 2
- Intel Quick Sync Video Yes
- Intel Clear Video HD Technology Yes
- # of Displays Supported ‡ 4
- Device ID 0x4680
- OpenCL* Support 2.1
Expansion Options
- Direct Media Interface (DMI) Revision 4.0
- Max # of DMI Lanes 8
- Scalability 1S Only
- PCI Express Revision 5.0 and 4.0
- PCI Express Configurations ‡ Up to 1x16+4, 2x8+4
- Max # of PCI Express Lanes 20
Package Specifications
- Sockets Supported FCLGA1700
- Max CPU Configuration 1
- Thermal Solution Specification PCG 2022E
- Intel Thermal Velocity Boost Temperature 50 °C
- TJUNCTION 90°C
- Package Size 45.0 mm x 37.5 mm
Advanced Technologies
- Intel Gaussian & Neural Accelerator 3.0
- Intel Thread Director Yes
- Intel Deep Learning Boost (Intel DL Boost) Yes
- Intel Optane™ Memory Supported ‡ Yes
- Intel Speed Shift Technology Yes
- Intel Adaptive Boost Technology Yes
- Intel Thermal Velocity Boost Yes
- Intel Turbo Boost Max Technology 3.0 ‡ Yes
- Intel Turbo Boost Technology ‡ 2.0
- Intel Hyper-Threading Technology ‡ Yes
- Intel 64 ‡ Yes
- Instruction Set 64-bit
- Instruction Set Extensions Intel SSE4.1, Intel SSE4.2, Intel AVX2
- Idle States Yes
- Enhanced Intel SpeedStep Technology Yes
- Thermal Monitoring Technologies Yes
- Intel Volume Management Device (VMD) Yes
Security & Reliability
- Intel vPro Platform Eligibility ‡ Yes
- Intel vPro Enterprise Platform Eligibility ‡ Yes
- Intel Threat Detection Technology (TDT) Yes
- Intel Active Management Technology (AMT) ‡ Yes
- Intel Standard Manageability (ISM) ‡ Yes
- Intel One-Click Recovery ‡ Yes
- Intel Hardware Shield Eligibility ‡ Yes
- Intel AES New Instructions Yes
- Secure Key Yes
- Intel OS Guard Yes
- Intel Trusted Execution Technology ‡ Yes
- Execute Disable Bit ‡ Yes
- Intel Boot Guard Yes
- Mode-based Execute Control (MBEC) Yes
- Intel Control-Flow Enforcement Technology Yes
- Intel Total Memory Encryption - Multi Key Yes
- Intel Total Memory Encryption Yes
- Intel Virtualization Technology with Redirect Protection (VT-rp) ‡ Yes
- Intel Virtualization Technology (VT-x) ‡ Yes
- Intel Virtualization Technology for Directed I/O (VT-d) ‡ Yes
- Intel VT-x with Extended Page Tables (EPT) ‡ Yes