Intel Core i5-4670K vs Intel Core i5-6600K

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Core i5-4670K compared with Core i5-6600K

	IntelCore i5-4670K	IntelCore i5-6600K
Overview
Released
Released	June 2013	August 2015
Cores and clocks
Cores
Cores	4	4
Threads
Threads	4	4
Base clock
Base clock	3.4 GHz	3.5 GHz
Boost clock
Boost clock	3.8 GHz	3.9 GHz (better)
L3 cache
L3 cache	6 MB	6 MB
Cores
Cores	Haswell; four cores without Hyper-Threading; unlocked multiplier confirmed by TechRadar and Expert Reviews	Skylake; four cores without Hyper-Threading; unlocked multiplier confirmed in Intel's Gamescom release
Graphics and AI
Built-in graphics
Built-in graphics	Yes	Yes
Graphics
Graphics	Intel HD Graphics 4600; 350 MHz base and 1.2 GHz maximum dynamic clock	Intel HD Graphics 530; maker clocks 350 MHz base and 1.15 GHz maximum dynamic clock, rather than differing launch-review figures
Platform
Socket
Socket	LGA1150	LGA1151
Base power
Base power	84 W	91 W
Unlocked
Unlocked	Yes	Yes
Cooler in the box
Cooler in the box	–	No
Memory support
Memory support	Up to 32 GB; two channels; DDR3 or DDR3L-1333/1600 at 1.5 V; no ECC 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
PCIe
PCIe	16 CPU lanes; PCIe 3.0	16 CPU lanes; PCIe 3.0
Chipsets
Chipsets	LGA1150 platform; release month uses contemporary June retail availability, as Intel ARK lists only Q2 2013. Intel's 4 June family release and earlier retailer coverage do not establish a single exact first-sale day.	LGA1151 Skylake platform; Intel's 5 August 2015 release names the 6600K boxed processor and systems as available immediately
Process
Process	22 nm	14 nm
Cooler
Cooler	–	Intel lists no included heatsink; a separate cooler is required, despite the bundled-cooler implication in Expert Reviews