Intel Core 2 Duo E6600 vs Intel Core i5-655K

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Core 2 Duo E6600 compared with Core i5-655K

	IntelCore 2 Duo E6600	IntelCore i5-655K
Overview
Released
Released	July 2006	June 2010
Cores and clocks
Cores
Cores	2	2
Threads
Threads	2	4 (better)
Base clock
Base clock	2.4 GHz	3.2 GHz
Boost clock
Boost clock	–	3.46 GHz
L3 cache
L3 cache	–	4 MB
Cores
Cores	Conroe; two cores and two threads, without Hyper-Threading.	Two cores and four threads with Hyper-Threading; unlocked multiplier confirmed in the exact reviews.
Clocks
Clocks	Published operating frequency 2.40 GHz; 1066 MHz front-side bus. Intel unveiled the family on 27 July 2006 and said complete Core 2 Duo desktop systems would arrive in early August. TechSpot’s 2 August review says boxed CPUs began shipping late the previous week, supporting July CPU availability without an exact sale day. No unpublished boost figure is supplied.	3.20 GHz base and up to 3.46 GHz Turbo Boost. Intel gives Q2 2010; contemporary AKIBA PC Hotline reporting confirms retail availability in June. May launch coverage and an earlier listing do not establish an exact first-sale day, so month precision is retained.
Cache
Cache	4 MB shared L2 cache, as Intel’s datasheet states; no L3 figure supplied.	4 MB shared L3 cache.
Graphics and AI
Built-in graphics
Built-in graphics	No	Yes
Graphics
Graphics	No integrated graphics, explicitly confirmed by the exact-model CPU-Monkey specification entry. Chipset graphics are separate from the processor.	Intel HD Graphics at 733 MHz in Intel’s exact-model comparison chart.
Platform
Socket
Socket	LGA775	LGA1156
Base power
Base power	65 W	73 W
Unlocked
Unlocked	–	Yes
Cooler in the box
Cooler in the box	Yes	No
Memory support
Memory support	Intel’s datasheet routes memory and I/O transactions through the front-side bus and chipset; memory types and capacity depend on the motherboard.	Two channels of DDR3-1066/1333 in Intel’s exact-model chart.
Process
Process	65 nm; Conroe; LGA775.	32 nm CPU and separate 45 nm graphics die, as described by bit-tech’s exact review.
Cooler
Cooler	Intel’s boxed-processor specification confirms an unattached fan heatsink. Published processor TDP is 65 W.	The exact Newegg listing and contemporary AKIBA PC Hotline retail report confirm that the boxed model has no cooler.