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Intel 9th Gen Intel Core i5 9400 vs Intel 8th Gen Intel Core i7-8700K: Comparison

Intel 9th Gen Intel Core i5 9400 and Intel 8th Gen Intel Core i7-8700K separate most on l3 cache: Intel 9th Gen Intel Core i5 9400 at 9 MB, Intel 8th Gen Intel Core i7-8700K at 12 MB, 25% in favour of Intel 8th Gen Intel Core i7-8700K. They match on 18 other specifications, including form factor, codename and market segment.

9th Gen Intel Core i5 9400
IntelIntel 9th Gen Intel Core i5 9400
8th Gen Intel Core i7-8700K
IntelIntel 8th Gen Intel Core i7-8700K

Specs

Specification
9th Gen Intel Core i5 9400
Intel 9th Gen Intel Core i5 9400
8th Gen Intel Core i7-8700K
Intel 8th Gen Intel Core i7-8700K
BrandIntelIntel
Product LineCore i5Core i7
Form FactorDesktopDesktop
Model Number94008700K
CodenameCoffee LakeCoffee Lake
Core/Thread Count6 Core / 6 Thread6 Core / 12 Thread
Release Year20192017
Market SegmentDesktopDesktop
Cache9MB L312MB L3 + 1.5MB L2 + 384KB L1
SocketLGA 1151LGA 1151
Boost/Base Clock4.1 GHz Boost Clock4.7 GHz / 3.7 GHz
Socket StatusEnd of LifeEnd of Life
Process Node14 nm14 nm
Performance Cores66
Efficiency Cores00
SMT Enabledfalsetrue
P-Core Base Clock2.9 GHz3.7 GHz
P-Core Boost Clock4.1 GHz4.7 GHz
L3 Cache9 MB-25%12 MB
Base Power65 W95 W
Max Turbo Power65 W95 W
Memory TypeDDR4DDR4
Max Memory Speed2666 MT/s2666 MT/s
Memory Channels22
ECC Supportfalsefalse
Integrated GraphicsYesYes
iGPU ModelIntel UHD Graphics 630Intel UHD Graphics 630
Copilot Plus Certifiedfalsefalse
PCIe Generation3.03.0
PCIe Lanes1616
Launch MSRP$182$359
Retail AvailabilityRetailRetail
SeriesCore i5Core i7
ArchitectureCoffee Lake, 9th Gen Intel CoreCoffee Lake, 8th Gen Intel Core

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