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Intel

Intel Core i7-6700K 4.0 GHz LGA 1151 desktop processor

SKU CH-M09J-GZH59

Quad-core desktop processor with 4.0 GHz base clock, 4.2 GHz turbo, 8 MB L3 cache and integrated Intel HD Graphics 530

  • Product nameCore i7-6700K
  • CPU coresQuad-Core
  • CPU socketLGA 1151
  • Maximum turbo clock4.2 GHz
  • TDP rating91 W
  • Processor classDesktop
  • Quad-core design with eight threads handles multi-tasking workloads
  • Base clock of 4.0 GHz and turbo up to 4.2 GHz for responsive performance
  • 8 MB L3 cache plus 4 × 256 KB L2 cache reduces memory latency
  • Integrated Intel HD Graphics 530 drives displays up to 4096 × 2304
  • Supports DDR4-2133 and DDR3L-1600 on two memory channels

Quad-core Skylake processor for LGA 1151

The Intel Core i7-6700K is a 14 nm desktop CPU with four cores and eight threads. Base clock runs at 4.0 GHz and Intel Turbo Boost Technology lifts single-core speed to 4.2 GHz. Integrated Intel HD Graphics 530 provides display output up to 4096 x 2304 without a discrete card. Thermal design power is rated at 95 W.

Enthusiasts wanting an unlocked multiplier and

The unlocked K-series multiplier suits overclockers on Intel 100 series chipset motherboards. Builders who need ECC memory, more than two memory channels or a newer socket should consider other platforms. The 95 W TDP demands a capable cooler but fits standard tower chassis.

DDR4 or DDR3L memory on two channels

Supports DDR4-1866 / 2133 and DDR3L-1333 / 1600 at 1.35 V across two channels. LGA 1151 socket pairs with Intel 100 series chipsets for PCIe 3.0 lanes and SATA 6 Gbps ports. Integrated graphics frees a PCIe slot when discrete GPU is not required.

How it compares

Measured against everything we stock in Desktop Processors, at today’s prices. Recalculated every night.

Price $63.99
Cheaper than about 80% of the 494 comparable items (median $149.99).
Maximum turbo clock 4.2 GHz
Lower than about 80% of the 246 comparable items (median 4.7 GHz).
TDP rating 91 W
Typical for this category: the median of 320 items is 95 W.

New to this? Buying a processor with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameIntel
Product lineCore i7 6th Gen
Model nameBX80662I76700K
Product nameCore i7-6700K
Performance
Working frequency4.0 GHz
Processor
CPU coresQuad-Core
CPU socketLGA 1151
Maximum turbo clock4.2 GHz
TDP rating91 W
Processor classDesktop
Processor codenameSkylake
CPU threads8-Threads
Level 2 cache4 × 256 KB
Level 3 cache8 MB
Process node14 nm
Virtualization supportYes
Max PCIe lanes16
Memory
Supported memoryDDR4-1866 / 2133, DDR3L-1333 / 1600 @ 1.35 V
Channel configuration2
Graphics
Built-in graphicsIntel HD Graphics 530
GPU base clock350 MHz
Graphics max dynamic frequency1.15 GHz
Ports & slots
PCIe generation3.0

Questions about this item

Which motherboard socket and chipset are required for the Core i7-6700K?

The processor fits an LGA 1151 socket and is compatible with Intel 100 Series chipset motherboards.

Can I keep my existing DDR3L memory when upgrading to this CPU?

Yes, the memory controller supports DDR3L-1333 and DDR3L-1600 at 1.35V alongside DDR4-1866 and DDR4-2133.

How do I confirm the integrated Intel HD Graphics 530 is active after installation?

The graphics driver will report a base frequency of 350 MHz and a maximum dynamic frequency of 1.15 GHz, with display output up to 4096 x 2304.

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