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Silver square desktop processor with gold contacts and green substrate, LGA 2066 socket form factor

Intel

Intel Core i9-10940X desktop processor 14-core 3.3 GHz LGA 2066 165W

SKU CH-EQ6B-WJW4B

14-core desktop CPU with 28 threads, 3.3 GHz base clock, 4.8 GHz max turbo, 19.25 MB cache and 165 W TDP for LGA 2066 platforms

  • Processors TypeDesktop
  • 14 cores and 28 threads accelerate multi-threaded workloads
  • Turbo Boost Max 3.0 reaches 4.8 GHz for peak single-thread speed
  • 48 PCIe 3.0 lanes enable high-bandwidth expansion
  • Quad-channel DDR4-2933 support increases memory throughput
  • 25 MB Smart Cache reduces latency for large data sets

14-core Cascade Lake desktop processor

The Intel Core i9-10940X is a 14-core, 28-thread desktop CPU built on the Cascade Lake architecture. It targets enthusiasts and professionals who need high multi-threaded throughput for rendering, simulation or heavy multitasking workloads. The processor operates at a 3.3 GHz base frequency with a 4.8 GHz Turbo Boost Max 3.0 peak.

LGA 2066 platform with 48 PCIe 3.0 lanes

The chip drops into an LGA 2066 socket and exposes up to 48 PCI Express 3.0 lanes directly from the CPU. That lane count leaves plenty of bandwidth for multiple graphics cards, high-speed storage arrays and add-in accelerators without relying on the chipset. Four-channel DDR4-2933 memory support keeps the execution units fed.

165 W TDP thermal envelope

With a 165 W TDP the processor demands a capable cooler and a chassis with good airflow to sustain high all-core frequencies. Under typical heavy loads the 19.25 MB Smart Cache helps reduce memory latency, while power draw scales with the active core count and Turbo duration. Expect audible fan activity when all 14 cores run near their peak.

Highlights

  • 14 cores and 28 threads accelerate multi-threaded workloads
  • Turbo Boost Max 3.0 reaches 4.8 GHz for peak single-thread speed
  • 48 PCIe 3.0 lanes enable high-bandwidth expansion
  • Quad-channel DDR4-2933 support increases memory throughput
  • 25 MB Smart Cache reduces latency for large data sets

Specifications

Processors TypeDesktop

Questions about this item

What is the 165W TDP limit for sustained workloads?

The processor is rated at 165W TDP, which defines the cooling capacity needed for continuous operation at base frequency.

How loud or hot does the chip run under all-day load?

With a 165W TDP and 3.3 GHz base clock across 14 cores, sustained heat output is significant and requires a robust LGA 2066 cooler; noise depends on the cooler chosen.

Which motherboard socket and memory must I already have?

You need an LGA 2066 motherboard with four-channel DDR4-2933 support to use this CPU.

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