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A square green circuit board with a silver metal heat spreader showing the Intel logo and model number

Intel

Intel Core i7-4790 BX80646I74790 desktop processor

SKU CH-KK3R-WZG6Q

Quad-core Haswell desktop processor running at 3.6 GHz with 4.0 GHz turbo, 8 MB L3 cache, 84 W TDP, Intel HD Graphics 4600 and DDR3-1600 support

  • Product nameCore i7-4790
  • CPU coresQuad-Core
  • CPU socketLGA 1150
  • Maximum turbo clock4.0 GHz
  • TDP rating84 W
  • Processor classServer
  • Quad-core design with eight threads handles parallel workloads efficiently
  • Turbo frequency reaches 4.0 GHz for responsive single-thread performance
  • Integrated Intel HD Graphics 4600 runs at up to 1.2 GHz for media and light 3D tasks
  • 22 nm Haswell architecture delivers 84 W TDP within LGA 1150 socket
  • Dual-channel DDR3 controller supports up to 32 GB at 1600 MHz

Intel Core i7-4790 LGA 1150 Processor

The Intel Core i7-4790 is a quad-core desktop processor built on the Haswell architecture for the LGA 1150 socket. It operates at a base frequency of 3.6 GHz with a maximum turbo frequency of 4.0 GHz and includes Intel HD Graphics 4600. The processor supports Hyper-Threading for eight threads and has a thermal design power of 84W.

Suits Haswell System Upgrades

This CPU suits users upgrading an existing LGA 1150 platform who need strong single-thread performance and integrated graphics for display output. It is not suited for builders starting a new system, as the socket and DDR3 memory standard are discontinued, nor for workloads requiring AVX2 or newer instruction sets.

DDR3-1600 Memory Controller Limit

The integrated memory controller officially supports DDR3-1333 and DDR3-1600 speeds across two channels up to a maximum of 32 GB. Faster memory will downclock to 1600 MT/s, so builders must source compatible DDR3 modules to match the controller specification.

How it compares

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

Price $45.99
Cheaper than about 88% of the 494 comparable items (median $149.99).
Maximum turbo clock 4.0 GHz
Lower than about 87% of the 246 comparable items (median 4.7 GHz).
TDP rating 84 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 4th Gen
Model nameBX80646I74790
Product nameCore i7-4790
Performance
Working frequency3.6 GHz
Processor
CPU coresQuad-Core
CPU socketLGA 1150
Maximum turbo clock4.0 GHz
TDP rating84 W
Processor classServer
Processor codenameHaswell
Level 2 cache4 × 256 KB
Level 3 cache8 MB
Process node22 nm
CPU instruction set64-Bit
Hyper-ThreadingYes
Virtualization supportYes
Graphics
Built-in graphicsIntel HD Graphics 4600
In the box
Included coolerNot included - Processor Only

Questions about this item

Will the LGA 1150 socket on the i7-4790 accept my existing DDR3-1600 memory?

The processor supports DDR3-1333 and DDR3-1600 across two memory channels up to 32 GB total.

How can I confirm the Intel HD Graphics 4600 is running at its 1.2 GHz max dynamic frequency?

Use Intel Graphics Command Center or GPU-Z to monitor the graphics clock; it should reach 1.2 GHz under 3D load.

Does the BX80646I74790 box include a cooler or must I buy one separately?

The box contains the processor only; a compatible LGA 1150 cooler rated for 84 W TDP must be purchased separately.

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