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Rectangular green PCB chip with gold contact pads and silver metal heat spreader

Intel

Intel Core i7-6700K BX80662I76700K desktop processor

SKU CH-JF1P-6WB02

Quad-core desktop processor with eight threads, 4.0 GHz base clock, 4.2 GHz max turbo, 8 MB L3 cache, integrated Intel HD Graphics 530, dual-channel DDR4 and DDR3L memory support, LGA 1151 socket

  • Processors TypeDesktop
  • NameCore i7-6700K
  • CPU Socket TypeLGA 1151
  • Core NameSkylake
  • # of CoresQuad-Core
  • # of Threads8-Threads
  • Boosts to 4.2 GHz for fast single-thread work
  • Eight threads on four cores handle parallel loads
  • 8 MB L3 cache cuts memory latency
  • Dual-channel DDR4 and DDR3L memory support
  • Integrated HD 530 graphics drives 4K displays

Skylake quad-core desktop CPU

The Intel Core i7-6700K is a 14nm Skylake processor with four cores and eight threads. It fits the LGA 1151 socket and works with Intel 100 series chipset motherboards. Base frequency is 4.0 GHz with a max turbo of 4.2 GHz. Integrated Intel HD Graphics 530 runs up to 1.15 GHz dynamic frequency.

8 MB L3 cache and dual-channel memory support

Eight megabytes of L3 cache plus 4 x 256 KB L2 cache feed the cores. Dual-channel memory controller handles DDR4-1866 or DDR4-2133 and DDR3L-1333 or DDR3L-1600 at 1.35 V. Sixteen PCI Express 3.0 lanes connect graphics and storage. Thermal design power is 91 W.

Upgrade from dual-core or earlier quad-core

Builders moving from a dual-core chip or an older quad-core without hyper-threading gain eight threads for multitasking and heavier workloads. The jump is worth it when software uses more than four threads or when integrated graphics must drive a 4096 x 2304 display.

Highlights

  • Boosts to 4.2 GHz for fast single-thread work
  • Eight threads on four cores handle parallel loads
  • 8 MB L3 cache cuts memory latency
  • Dual-channel DDR4 and DDR3L memory support
  • Integrated HD 530 graphics drives 4K displays

Specifications

BrandIntel
Processors TypeDesktop
SeriesCore i7 6th Gen
NameCore i7-6700K
ModelBX80662I76700K
CPU Socket TypeLGA 1151
Core NameSkylake
# of CoresQuad-Core
# of Threads8-Threads
Operating Frequency4.0 GHz
Max Turbo Frequency4.2 GHz
L2 Cache4 x 256KB
L3 Cache8MB
Manufacturing Tech14nm
Memory TypesDDR4-1866 / 2133, DDR3L-1333 / 1600 @ 1.35V
Memory Channel2
Virtualization Technology SupportYes
Integrated GraphicsIntel HD Graphics 530
Graphics Base Frequency350 MHz
Graphics Max Dynamic Frequency1.15 GHz
PCI Express Revision3.0
Max Number of PCI Express Lanes16
Thermal Design Power91W

Questions about this item

Will my existing DDR3L-1600 memory work with the Core i7-6700K?

The processor supports DDR3L-1333 and 1600 at 1.35V alongside DDR4-1866 and 2133, so your DDR3L-1600 modules are compatible.

How can I verify the CPU is reaching its 4.2 GHz max turbo frequency under load?

Run a single-threaded benchmark while monitoring core clocks in a hardware utility; you should see one or more cores hit 4.2 GHz when thermal and power headroom allow.

Does the BX80662I76700K box include a cooler, or must I buy one separately?

The boxed processor ships with Intel's stock thermal solution, so no separate cooler purchase is required for standard operation.

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