Intel Core i5-6600K vs Intel Core i5-7600K

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Core i5-6600K compared with Core i5-7600K

	IntelCore i5-6600K	IntelCore i5-7600K
Overview
Released
Released	August 2015	January 2017
Cores and clocks
Cores
Cores	4	4
Threads
Threads	4	4
Base clock
Base clock	3.5 GHz	3.8 GHz
Boost clock
Boost clock	3.9 GHz	4.2 GHz (better)
L3 cache
L3 cache	6 MB	6 MB
Cores
Cores	Skylake; four cores without Hyper-Threading; unlocked multiplier confirmed in Intel's Gamescom release	Kaby Lake; four cores without Hyper-Threading; unlocked multiplier confirmed by Bit-tech and PC Gamer
Graphics and AI
Built-in graphics
Built-in graphics	Yes	Yes
Graphics
Graphics	Intel HD Graphics 530; maker clocks 350 MHz base and 1.15 GHz maximum dynamic clock, rather than differing launch-review figures	Intel HD Graphics 630; 350 MHz base and 1.15 GHz maximum dynamic clock
Platform
Socket
Socket	LGA1151	LGA1151
Base power
Base power	91 W	91 W
Unlocked
Unlocked	Yes	Yes
Cooler in the box
Cooler in the box	No	No
Memory support
Memory support	Up to 64 GB; two channels; DDR4-1866/2133 or DDR3L-1333/1600 at 1.35 V; maximum bandwidth 34.1 GB/s; no ECC support	Up to 64 GB; two channels; DDR4-2133/2400 or DDR3L-1333/1600 at 1.35 V; no ECC support
PCIe
PCIe	16 CPU lanes; PCIe 3.0	16 CPU lanes; PCIe 3.0
Chipsets
Chipsets	LGA1151 Skylake platform; Intel's 5 August 2015 release names the 6600K boxed processor and systems as available immediately	LGA1151 Kaby Lake platform; Intel Optane memory support depends on the system. Release month uses Intel's January family release and KitGuru's 5 January exact-model retail availability update; a maker-confirmed exact first-sale day was not established.
Process
Process	14 nm	14 nm
Cooler
Cooler	Intel lists no included heatsink; a separate cooler is required, despite the bundled-cooler implication in Expert Reviews	Intel lists no included fan or heatsink; a separate cooler is required; maximum operating temperature 100 °C