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Square green ceramic chip with gold contact pads and silver heat spreader marked i5-6600

Intel

Intel Core i5-6600 BX80662I56600 desktop processor

SKU CH-QSGR-N5PXB

Quad-core desktop CPU running at 3.3 GHz with 3.9 GHz turbo, 6 MB L3 cache, 65 W TDP, integrated HD Graphics 530, and dual-channel DDR4 or DDR3L memory support

  • Product nameCore i5-6600
  • CPU coresQuad-Core
  • CPU socketLGA 1151
  • Maximum turbo clock3.9 GHz
  • TDP rating65 W
  • Processor classDesktop
  • Quad-core 3.3 GHz base clock handles everyday workloads smoothly
  • Turbo Boost up to 3.9 GHz adds extra speed when tasks demand it
  • Integrated Intel HD Graphics 530 drives displays up to 4096 x 2304 without a discrete card
  • Dual-channel DDR4-2133 and DDR3L-1600 support gives flexible memory options
  • 65 W TDP and 14 nm process keep power draw and heat in check

Core i5-6600 for LGA 1151 desktop builds

This quad-core Skylake processor runs at 3.3 GHz base and 3.9 GHz turbo. It fits LGA 1151 sockets on Intel 100 series chipset motherboards. The 65 W TDP suits mainstream desktops used for office work, media editing or light gaming.

Memory interface limited to dual-channel DDR4-2133

The controller supports two channels of DDR4 at 1866 or 2133 MT/s and DDR3L at 1333 or 1600 MT/s at 1.35 V. Speeds above 2133 are not officially supported. Integrated HD Graphics 530 drives displays up to 4096 x 2304 resolution.

Verify socket, chipset, cooler and memory voltage

Ensure the motherboard uses LGA 1151 and an Intel 100 series chipset. Confirm the CPU cooler is rated for at least 65 W. Check that installed DIMMs match the supported DDR4 or DDR3L speeds and the 1.35 V requirement for DDR3L.

How it compares

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

Price $26.99
Cheaper than about 94% of the 494 comparable items (median $149.99).
Maximum turbo clock 3.9 GHz
Lower than about 90% of the 246 comparable items (median 4.7 GHz).
TDP rating 65 W
Lower than about 60% of the 320 comparable items (median 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 i5 6th Gen
Model nameBX80662I56600
Product nameCore i5-6600
Performance
Working frequency3.3 GHz
Processor
CPU coresQuad-Core
CPU socketLGA 1151
Maximum turbo clock3.9 GHz
TDP rating65 W
Processor classDesktop
Processor codenameSkylake
CPU threads4-Threads
Level 2 cache4 × 256 KB
Level 3 cache6 MB
Process node14 nm
CPU instruction set64-Bit
Hyper-ThreadingNo
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
In the box
Included coolerNot included - Processor Only

Questions about this item

Should I pick the 3.3 GHz model or a higher-clocked version?

The i5-6600 runs at a 3.3 GHz base with a 3.9 GHz max turbo, so it already delivers the highest single-thread speed in its 65 W class.

How does the 3.3 GHz base clock feel in everyday workloads?

Four Skylake cores at 3.3 GHz handle typical desktop tasks and light gaming smoothly, while Intel Turbo Boost lifts active cores to 3.9 GHz for short bursts.

Does the LGA 1151 socket limit memory speed in practice?

The controller officially supports DDR4-2133 and DDR3L-1600 at 1.35 V; faster modules will run at those speeds unless the motherboard BIOS allows higher multipliers.

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