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Silver rectangular CPU with gold contact pads and green substrate visible on LGA1700 package

Intel

Intel Core i9-12900K desktop processor 16-core 5.2 GHz LGA1700

SKU CH-8XPC-JKS5B

16-core desktop processor with 8 performance and 8 efficient cores reaching 5.2 GHz turbo on LGA1700

  • Processors TypeDesktop
  • NameCore i9-12900K
  • CPU Socket TypeLGA 1700
  • Core NameAlder Lake
  • # of Cores16-Core (8P+8E)
  • # of Threads24-Threads
  • 16 cores and 24 threads handle heavy multitasking with ease
  • Max turbo frequency of 5.2 GHz delivers responsive single-thread speed
  • 30 MB L3 cache reduces latency for demanding workloads
  • Supports DDR4 3200 and DDR5 4800 memory for flexible platform choices
  • Integrated UHD Graphics 770 provides display output without a discrete card

16-core 24-thread desktop processor for enthusiasts

The Intel Core i9-12900K delivers 16 cores split into 8 performance and 8 efficient cores with 24 threads. Base frequency sits at 3.2 GHz and max turbo reaches 5.2 GHz. It supports DDR4 3200 and DDR5 4800 memory up to 128 GB. Integrated Intel UHD Graphics 770 handles display output without a discrete card.

Upgrade from LGA1700 600 series or earlier platforms

Moving to this 12th Gen Alder Lake architecture brings a hybrid core design and 30 MB L3 cache. The jump is worth it when workloads benefit from mixed core types and higher turbo frequencies. A 600 series chipset motherboard with LGA1700 socket is required for installation.

Straightforward LGA1700 socket installation

The processor drops into the LGA1700 socket on a compatible motherboard. No integrated cooler is included so a suitable aftermarket solution must be mounted. Applying thermal paste evenly and securing the cooler pressure avoids thermal throttling under the 125 W base power rating.

Pontos fortes

  • 16 cores and 24 threads handle heavy multitasking with ease
  • Max turbo frequency of 5.2 GHz delivers responsive single-thread speed
  • 30 MB L3 cache reduces latency for demanding workloads
  • Supports DDR4 3200 and DDR5 4800 memory for flexible platform choices
  • Integrated UHD Graphics 770 provides display output without a discrete card

Especificações

BrandIntel
Processors TypeDesktop
SeriesCore i9 12th Gen
NameCore i9-12900K
CPU Socket TypeLGA 1700
Core NameAlder Lake
# of Cores16-Core (8P+8E)
# of Threads24-Threads
Operating Frequency3.2 GHz
Max Turbo Frequency5.20 GHz
L2 Cache14MB
Instruction Set64-Bit
Hyper-Threading SupportYes
Memory TypesDDR4 3200 / DDR5 4800
Memory Channel2
Max Memory Size128 GB
ECC MemorySupported
Max Memory Bandwidth76.8 GB/s
Virtualization Technology SupportYes
Integrated GraphicsIntel UHD Graphics 770
Graphics Base Frequency300 MHz
Graphics Max Dynamic Frequency1.55 GHz
PCI Express Revision5.0 and 4.0
Max Number of PCI Express Lanes20
Thermal Design Power125W
Operating System SupportedWindows 11

Perguntas sobre este artigo

What motherboard socket and chipset does the Core i9-12900K require?

The processor fits an LGA 1700 socket and is built for 600 series chipset motherboards.

Which way round does the LGA 1700 processor sit in the socket?

Align the gold triangle on the CPU corner with the matching triangle marker on the socket frame before lowering the retention lever.

Will the integrated Intel UHD Graphics 770 need a driver update after installation?

Yes, download the latest graphics driver from Intel to enable full feature support and stability for the UHD 770 iGPU.

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