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Intel Core i7-7740X desktop processor, silver metal heatspreader with green substrate and gold contact pads, LGA 2066 form factor

Intel

Intel Core i7-7740X desktop processor

SKU CH-MHPM-PZSR7

Quad-core desktop processor with eight threads, 4.3 GHz base and 4.5 GHz turbo clocks, 8 MB L3 cache, dual-channel DDR4-2666 support, 16 PCIe lanes and 112 W TDP for LGA 2066 platforms

  • CPU coresQuad-Core
  • CPU socketLGA 2066
  • Maximum turbo clock4.5 GHz
  • TDP rating112 W
  • Processor classi7
  • Processor codenameKaby Lake-X
  • Quad-core 4.3 GHz base speed handles heavy workloads smoothly
  • Hyper-Threading delivers 8 threads for responsive multitasking
  • 8 MB L3 cache reduces latency in demanding apps
  • Unlocked multiplier enables straightforward overclocking on X299 boards
  • 16 PCIe lanes support high-bandwidth GPUs and storage

Targeted VR Desktop CPU

The Intel Core i7-7740X is a quad-core desktop processor with eight threads for VR-focused builds. It runs at 4.3 GHz base and reaches 4.5 GHz max turbo on the LGA 2066 platform. The 14 nm Kaby Lake-X architecture supports DDR4-2666 memory in two channels. An unlocked multiplier allows manual frequency tuning.

Processor-Only Package

The unit ships without a cooler or thermal paste, so a separate LGA 2066-compatible solution is required. No integrated graphics are present, meaning a discrete GPU must be installed for display output. The 112 W thermal design power dictates the cooling capacity needed for sustained loads.

X299 Platform Connectivity

Compatible X299 motherboards provide 16 PCI Express lanes from this processor for graphics and storage devices. Dual-channel DDR4 support populates up to four DIMM slots depending on board layout. The LGA 2066 socket and 64-bit instruction set define the platform constraints for this 8 MB L3 cache chip.

How it compares

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

Price $39.99
Cheaper than about 90% of the 494 comparable items (median $149.99).
Maximum turbo clock 4.5 GHz
Lower than about 60% of the 246 comparable items (median 4.7 GHz).
TDP rating 112 W
Higher than about 64% 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
Model namei7-7740X
Performance
Working frequency4.3 GHz
Processor
CPU coresQuad-Core
CPU socketLGA 2066
Maximum turbo clock4.5 GHz
TDP rating112 W
Processor classi7
Processor codenameKaby Lake-X
CPU threads8-Threads
L1 cache size4 × 256 KB
Level 3 cache8 MB
Process node14 nm
CPU instruction set64-Bit
Hyper-ThreadingYes
Virtualization supportYes
Max PCIe lanes16
Memory
Supported memoryDDR4
Channel configuration2
Graphics
Built-in graphicsNO
In the box
Included coolerNot included - Processor Only

Questions about this item

Will the i7-7740X need a new cooler when I install it?

The processor ships without a cooling device, so a compatible LGA 2066 cooler and thermal paste must be supplied at build time.

What limits sustained performance on the i7-7740X?

The 112 W thermal design power and 4.5 GHz max turbo frequency define the ceiling before throttling or power limits engage.

How much heat and noise should I expect from the i7-7740X running all day?

With a 112 W TDP and no stock cooler, actual temperatures and fan noise depend entirely on the aftermarket cooler chosen for the LGA 2066 socket.

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