Intel Core i7-2600K vs Intel Core i7-4770K

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Core i7-2600K compared with Core i7-4770K

	IntelCore i7-2600K	IntelCore i7-4770K
Overview
Released
Released	January 2011	June 2013
Cores and clocks
Cores
Cores	4	4
Threads
Threads	8	8
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	8 MB	8 MB
Cores
Cores	Four cores with Hyper-Threading; Intel Turbo Boost 2.0. Expert Reviews and TechRadar confirm the unlocked CPU multiplier.	Four cores with Hyper-Threading; Intel Turbo Boost 2.0 supported. The unlocked multiplier is confirmed by Expert Reviews and TechRadar. Current Intel specifications list TSX and VT-d as unsupported.
Clocks
Clocks	Maximum turbo is a single-core frequency; sustained clocks depend on cooling. Intel's 5 January launch notice gives 9 January availability for quad-core systems.	Maximum turbo is a single-core frequency; sustained clocks depend on cooling and motherboard settings. Intel's June 2013 availability notice and Puget Systems' June launch lineup establish the sale month; they do not establish a worldwide first-sale day.
Graphics and AI
Built-in graphics
Built-in graphics	Yes	Yes
Graphics
Graphics	Intel HD Graphics 3000; 850 MHz base, up to 1.35 GHz; two displays; Quick Sync Video.	Intel HD Graphics 4600; 350 MHz base, up to 1.25 GHz; three displays; Quick Sync Video.
Platform
Socket
Socket	LGA1155	LGA1150
Base power
Base power	95 W	84 W
Unlocked
Unlocked	Yes	Yes
Memory support
Memory support	Up to 32 GB; two channels; DDR3-1066/1333; 21 GB/s maximum bandwidth as Intel publishes; ECC not supported.	Up to 32 GB; two channels; DDR3-1333/1600 and DDR3L-1333/1600 at 1.5 V; 25.6 GB/s maximum bandwidth; ECC not supported.
PCIe
PCIe	PCIe 2.0; 16 CPU lanes.	PCIe 3.0; 16 CPU lanes, configured as 1×16, 2×8 or 1×8+2×4.
Process
Process	32 nm; Sandy Bridge; 37.5 × 37.5 mm package; 72.6°C maximum case temperature, not junction temperature.	22 nm; Haswell; 37.5 × 37.5 mm package; 72.72°C maximum case temperature, not junction temperature.
Cooler
Cooler	LGA1155 is incompatible with LGA1156. TechRadar describes the launch P67 chipset as supporting CPU overclocking and H67 as supporting the integrated graphics output; chipset choice affects available features. Intel publishes no separate maximum turbo-power figure.	Requires an LGA1150 motherboard; earlier LGA1155 processors use a different socket. No separate maximum turbo-power figure is published in the current Intel specifications.