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A square Intel Core i9-12900KS processor with silver heatspreader and gold contact pads

Intel

Intel Core i9-12900KS BX8071512900KS desktop processor

SKU CH-0GQ9-EDSRF MPN BX8071512900KS

A 16-core desktop processor with 24 threads, 5.5 GHz max turbo, 30 MB L3 cache, integrated UHD Graphics 770, DDR4-3200 and DDR5-4800 support on LGA 1700

  • Processors TypeDesktop
  • NameCore i9-12900KS
  • CPU Socket TypeLGA 1700
  • Core NameAlder Lake
  • # of Cores16-Core (8P+8E)
  • # of Threads24-Threads
  • 16 performance and efficient cores handle heavy multitasking
  • 24 threads accelerate parallel workloads like rendering
  • 5 GHz peak turbo frequency speeds single-thread tasks
  • 30 MB L3 cache reduces latency for large datasets
  • DDR4 3200 and DDR5 4800 support offers flexible memory options

Intel Core i9-12900KS 16-core desktop processor

The Intel Core i9-12900KS is a 16-core desktop processor with 8 performance cores and 8 efficient cores delivering 24 threads. It operates at a 3.4 GHz P-core base frequency and reaches a 5.5 GHz maximum turbo frequency. The chip includes Intel UHD Graphics 770 and supports both DDR4 3200 and DDR5 4800 memory on the LGA 1700 platform.

Upgrade from 12th Gen Core i7

Moving from a Core i7 or i5 in the same 12th Gen family adds eight extra cores and raises the peak turbo to 5.5 GHz via Thermal Velocity Boost. The jump is worthwhile when workloads scale across 24 threads such as video encoding, 3D rendering or heavy multitasking. The 241 W maximum turbo power demands robust cooling and a motherboard rated for that level.

Check LGA 1700 socket DDR4

Verify the motherboard uses the LGA 1700 socket and supports the chosen DDR4 3200 or DDR5 4800 memory type. Confirm the CPU cooler and power delivery can handle 241 W maximum turbo power because no cooling device is included. Ensure the BIOS version supports this processor before installation.

Highlights

  • 16 performance and efficient cores handle heavy multitasking
  • 24 threads accelerate parallel workloads like rendering
  • 5 GHz peak turbo frequency speeds single-thread tasks
  • 30 MB L3 cache reduces latency for large datasets
  • DDR4 3200 and DDR5 4800 support offers flexible memory options

Specifications

BrandIntel
Processors TypeDesktop
SeriesCore i9 12th Gen
NameCore i9-12900KS
ModelBX8071512900KS
CPU Socket TypeLGA 1700
Core NameAlder Lake
# of Cores16-Core (8P+8E)
# of Threads24-Threads
Operating FrequencyP-core Base Frequency: 3.4 GHz
E-core Base Frequency: 2.5 GHz
Max Turbo FrequencyIntel Thermal Velocity Boost Max Frequency: 5.5 GHz
Intel Turbo Boost Max Technology 3.0 Frequency: 5.3 GHz
Performance-core Max Turbo Frequency: 5.2 GHz
Efficient-core Max Turbo Frequency: 4 GHz
L2 Cache14MB
L3 Cache30MB
Manufacturing TechIntel 7
Instruction Set64-Bit
Hyper-Threading SupportYes
Memory TypesDDR4 3200 / DDR5 4800
Memory Channel2
ECC MemorySupported
Virtualization Technology SupportYes
Integrated GraphicsIntel UHD Graphics 770
PCI Express Revision5.0 / 4.0 / 3.0
Max Number of PCI Express Lanes20
Thermal Design PowerProcessor Base Power: 150W
Maximum Turbo Power: 241W
Cooling DeviceCooling device not included - Processor Only
Operating System SupportedWindows 11
Shipping weight0.45 kg
Package size164 × 139 × 130 mm

Questions about this item

What cooler clearance and TDP rating do I need for the 150 W base / 241 W max turbo processor?

Plan for a cooler rated at least 241 W TDP that fits the LGA 1700 socket; the box contains no cooling device so you must supply one.

Which way does the LGA 1700 chip go in, and what step do builders often miss?

Align the notches on the substrate with the socket keys, lower the CPU gently, then lock the independent loading mechanism — forgetting to seat the ILM fully is the common error.

When should I replace the thermal interface material on this 16-core 24-thread CPU?

Reapply paste whenever you reseat the cooler or after a few years of 241 W turbo loads; the integrated UHD Graphics 770 die shares the same heatspreader.

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