Intel Core i5-4670K vs Intel Core i7-4820K

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Core i5-4670K compared with Core i7-4820K

	IntelCore i5-4670K	IntelCore i7-4820K
Overview
Released
Released	June 2013	September 2013
Cores and clocks
Cores
Cores	4	4
Threads
Threads	4	8 (better)
Base clock
Base clock	3.4 GHz	3.7 GHz
Boost clock
Boost clock	3.8 GHz	3.9 GHz (better)
L3 cache
L3 cache	6 MB	10 MB (better)
Cores
Cores	Haswell; four cores without Hyper-Threading; unlocked multiplier confirmed by TechRadar and Expert Reviews	Ivy Bridge-E; 4 cores with Hyper-Threading. The unlocked multiplier is confirmed by the exact-model reviews.
Clocks
Clocks	–	Turbo Boost 2.0 up to 3.90 GHz. September availability follows Hardware Canucks’ contemporary report of widespread store availability and Intel’s Q3 2013 launch quarter; an exact maker first-sale day was not established.
Graphics and AI
Built-in graphics
Built-in graphics	Yes	No
Graphics
Graphics	Intel HD Graphics 4600; 350 MHz base and 1.2 GHz maximum dynamic clock	No processor graphics, confirmed by Intel’s exact-model comparison-chart row; a separate graphics solution is required.
Platform
Socket
Socket	LGA1150	LGA2011
Base power
Base power	84 W	130 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; four channels of DDR3-1333/1600/1866; maximum bandwidth 59.7 GB/s; no ECC.
PCIe
PCIe	16 CPU lanes; PCIe 3.0	40 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.	X79 and LGA2011, confirmed by the exact-model reviews.
Process
Process	22 nm	22 nm; Ivy Bridge-E. Package size 52.5 × 45.0 mm.
Cooler
Cooler	–	Intel explicitly excludes a fan and heatsink from the boxed product; a separate compatible cooler is required.