General Information

• Product Collection: 12th Generation Intel® Core™ i9 Processors
• Code Name: Alder Lake
• Vertical Segment: Desktop
• Processor Number: i9-12900K
• Lithography: Intel 7
• Use Conditions: PC/Client/Tablet, Workstation

CPU Specifications

• Total Cores: 16
• # of Performance-Cores: 8
• # of Efficient-Cores: 8
• Total Threads: 24
• Max Turbo Frequency: 5.20 GHz
• Intel® Turbo Boost Max Technology 3.0 Frequency: 5.20 GHz
• Performance-Core Max Turbo Frequency: 5.10 GHz
• Efficient-Core Max Turbo Frequency: 3.90 GHz
• Performance-Core Base Frequency: 3.20 GHz
• Efficient-Core Base Frequency: 2.40 GHz
• Cache: 30 MB Intel® Smart Cache
• Total L2 Cache: 14 MB
• Processor Base Power: 125 W
• Maximum Turbo Power: 241 W

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
• OpenCL Support: 3.0
• Multi-Format Codec Engines: 2
• Intel® Quick Sync Video: Yes
• Intel® Clear Video HD Technology: Yes
• # of Displays Supported: 4
• Device ID: 0x4680

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 1 x 16 + 4, 2 x 8 + 4
• Max # of PCI Express Lanes: 20