Essentials
Product Collection : 12th Generation Intel® Core™ i9 Processors
Code Name : Products formerly Alder Lake
Vertical Segment : Desktop
Processor Number : i9-12900KF

CPU Specifications
Total Cores 16
# of Performance-cores8
# of Efficient-cores8
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 Cache14 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
Expansion Options
Direct Media Interface (DMI) Revision4.0
Max # of DMI Lanes8
Scalability1S 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 Configuration1
Thermal Solution Specification PCG 2020A
TJUNCTION 100°C
Package Size 45.0 mm x 37.5 mm

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