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Intel Core i7-8700 desktop processor in LGA 1151 socket with included cooler

Intel

Intel Core i7-8700 BX80684I78700 desktop processor

SKU CH-RQYB-J0656

Six-core desktop processor with twelve threads, 3.2 GHz base clock, 4.6 GHz max turbo, 12 MB L3 cache and Intel UHD Graphics 630

  • Product nameCore i7-8700
  • CPU cores6-Core
  • CPU socketLGA 1151 (300 Series)
  • Maximum turbo clock4.6 GHz
  • TDP rating65 W
  • Processor classDesktop
  • 6 cores and 12 threads handle multi-tasking workloads
  • max turbo frequency reaches 4.6 GHz for peak single-thread speed
  • 12 MB L3 cache reduces data latency
  • Intel UHD Graphics 630 runs displays without a discrete card
  • 65 W TDP keeps cooling requirements modest

Intel Core i7-8700 6-core desktop CPU

The Intel Core i7-8700 is a 6-core 12-thread desktop processor built on the Coffee Lake architecture. It fits LGA 1151 sockets on Intel 300 series motherboards and runs at a 3.2 GHz base clock with a 4.6 GHz maximum turbo frequency. The 65 W thermal design power and included cooler suit mainstream system builders.

Sustained load behaviour

Under continuous workloads the processor operates within its 65 W envelope and the supplied cooler manages the heat output. The 12 MB L3 cache and dual-channel DDR4 support keep data flowing to all six cores. Turbo boost scales with thermal headroom so clocks remain high during extended rendering or compile jobs.

Installation notes

The LGA 1151 (300 series) socket alignment is straightforward and the boxed cooler mounts with push-pins. Builders must pair the CPU with a 300 series chipset motherboard or the system will not post. Applying a thin layer of thermal paste before seating the cooler avoids air gaps that raise temperatures.

How it compares

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

Price $106.99
Cheaper than about 64% of the 494 comparable items (median $149.99).
CPU cores 6-Core
Lower than about 80% of the 271 comparable items (median 8).
Maximum turbo clock 4.6 GHz
Lower than about 55% of the 246 comparable items (median 4.7 GHz).

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Specifications

Product
Brand nameIntel
Product lineCore i7 8th Gen
Model nameBX80684I78700
Product nameCore i7-8700
Performance
Working frequency3.2 GHz
Bus speed8 GT/s
Processor
CPU cores6-Core
CPU socketLGA 1151 (300 Series)
Maximum turbo clock4.6 GHz
TDP rating65 W
Processor classDesktop
Processor codenameCoffee Lake
CPU threads12-Threads
Level 3 cache12 MB
Process node14 nm
Virtualization supportYes
Max PCIe lanes16
Memory
Channel configuration2
Graphics
Built-in graphicsIntel UHD Graphics 630
GPU base clock350 MHz
Graphics max dynamic frequency1.2 GHz
Ports & slots
PCIe generation3.0
Compatibility
Compatible systemsWindows 11

Questions about this item

How much heat does the 65W TDP Core i7-8700 produce during all-day workloads?

The processor has a 65W thermal design power, so sustained loads will dissipate up to that amount of heat; a cooler rated for at least 65W is required.

Which motherboard socket and chipset must I already own for the i7-8700 to work?

You need a motherboard with an LGA 1151 socket that uses the Intel 300 Series chipset; other LGA 1151 boards are not compatible.

Will my existing DDR4 memory run at its rated speed with the i7-8700 dual-channel controller?

The CPU supports DDR4 in dual-channel mode with up to 16 PCIe 3.0 lanes; memory speed depends on the motherboard BIOS and XMP profile.

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