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Square green PCB with gold contacts and silver heat spreader marked Core i5-4670K

Intel

Intel Core i5-4670K desktop processor

SKU CH-HSJ8-78W5K

Quad-core desktop processor for LGA 1150 sockets with 3.4 GHz base frequency, 6 MB L3 cache, integrated Intel HD Graphics and 84 W TDP

  • NameCore i5-4670K
  • CPU Socket TypeLGA 1150
  • Core NameHaswell
  • # of CoresQuad-Core
  • Operating Frequency3.4 GHz
  • L3 Cache6MB
  • Quad-core Haswell design handles multi-threaded workloads at 3.4 GHz
  • Unlocked multiplier enables straightforward frequency scaling for enthusiasts
  • Intel HD Graphics provides display output without a discrete card
  • DDR3 memory controller supports existing platform memory
  • 84 W TDP fits standard cooling solutions

Socket LGA 1150 quad-core processor

The Intel Core i5-4670K is a 3.4 GHz quad-core desktop CPU built on the Haswell architecture. It targets enthusiasts who want an unlocked multiplier for overclocking on the LGA 1150 platform. Integrated Intel HD Graphics provides a display output without a discrete card. The 84 W TDP fits standard tower coolers.

DDR3 memory controller and integrated graphics

The on-die memory controller runs DDR3 directly, removing the need for a separate northbridge. Integrated graphics free a PCIe slot and power budget when a discrete GPU is not required. Virtualization technology support aids lab or test environments. An LGA 1150 motherboard and DDR3 modules complete the platform.

6 MB L3 cache and 84 W thermal envelope

The 6 MB shared L3 cache keeps four threads fed at stock 3.4 GHz and moderate overclocks. The 84 W design power handles typical gaming and productivity loads with headroom for modest frequency increases. Sustained all-core workloads at high voltage will exceed the stock cooler capacity. The 22 nm process limits maximum clock scaling compared to newer nodes.

Highlights

  • Quad-core Haswell design handles multi-threaded workloads at 3.4 GHz
  • Unlocked multiplier enables straightforward frequency scaling for enthusiasts
  • Intel HD Graphics provides display output without a discrete card
  • DDR3 memory controller supports existing platform memory
  • 84 W TDP fits standard cooling solutions

Specifications

BrandIntel
SeriesCore i5 4th Gen
NameCore i5-4670K
ModelBX80646I54670K
CPU Socket TypeLGA 1150
Core NameHaswell
# of CoresQuad-Core
Operating Frequency3.4 GHz
L3 Cache6MB
Manufacturing Tech22nm
Instruction Set64-Bit
Integrated Memory Controller SpeedDDR3
Virtualization Technology SupportYes
Integrated GraphicsIntel HD Graphics
Thermal Design Power84W

Questions about this item

What thermal design power does the Core i5-4670K reach under sustained load?

The processor has a thermal design power of 84W, which is the sustained heat the cooler must dissipate when all cores run at base frequency.

How loud or hot does the i5-4670K get when running all day at 3.4 GHz?

At its 84W TDP the chip needs a cooler rated for that heat; noise depends on the cooler you choose, not the processor itself.

Which memory type must I already have for the integrated memory controller to work?

The controller supports DDR3 only, so existing DDR3 modules are required for the system to boot.

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