Intel i9-12900KS CPU 3.4GHz (5.5GHz Turbo) 12th Gen LGA1700 16-Cores 24-Threads 30MB 150W UHD Graphic 770 Unlocked Retail Box Alder Lake Essentials 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 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