Intel Core 2 Quad Q6600 vs Intel Core i5-750

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Core 2 Quad Q6600 compared with Core i5-750

	IntelCore 2 Quad Q6600	IntelCore i5-750
Overview
Released
Released	January 2007	September 2009
Cores and clocks
Cores
Cores	4	4
Threads
Threads	4	4
Base clock
Base clock	2.4 GHz	2.66 GHz
Boost clock
Boost clock	–	3.2 GHz
L3 cache
L3 cache	–	8 MB
Cores
Cores	Kentsfield; four cores and four threads, without Hyper-Threading. Original B3 stepping is the numerical baseline; later G0 retains the model name and core/cache figures. Locked multiplier confirmed by bit-tech’s exact-model review.	Four cores and four threads; Hyper-Threading is absent. TechRadar's exact Core i5-750 overclocking guide confirms the CPU multiplier is locked; base-clock overclocking remains possible.
Clocks
Clocks	Published operating frequency 2.40 GHz; 1066 MHz front-side bus. Intel’s 8 January 2007 release explicitly states immediate availability in PCs and the reseller channel. No unpublished boost frequency is supplied.	Up to 3.20 GHz Turbo Boost. Intel's embedded product brief specifies 3.20 GHz with one or two active cores and 2.80 GHz with four; actual behaviour depends on workload, cooling and platform limits.
Cache
Cache	Two 4 MB L2 caches, one per dual-core die; total 8 MB. Intel’s datasheet also lists four 32 KB L1 data caches. No L3 figure is supplied.	–
Graphics and AI
Built-in graphics
Built-in graphics	No	No
Graphics
Graphics	No integrated graphics, confirmed by the exact BX80562Q6600 retail listing; motherboard graphics are a separate component.	No processor graphics; Intel's desktop comparison chart lists graphics as not applicable. A separate graphics solution is required.
Platform
Socket
Socket	LGA775	LGA1156
Base power
Base power	105 W	95 W
Unlocked
Unlocked	No	No
Cooler in the box
Cooler in the box	Yes	–
Memory support
Memory support	Memory and I/O transactions pass through the front-side bus and chipset, as Intel’s datasheet states; memory types and capacity depend on the motherboard.	Two channels of DDR3-1066/1333. Optional maximum memory capacity and bandwidth are omitted because the retired exact-model specification page could not be read.
PCIe
PCIe	–	16 processor PCIe 2.0 lanes, configurable as one ×16 or two ×8 graphics links. A separate DMI link connects the processor to the chipset.
Process
Process	65 nm; Kentsfield; LGA775.	45 nm; Lynnfield, based on the Nehalem architecture.
Cooler
Cooler	Boxed BX80562Q6600 listing confirms heatsink and fan. Intel’s datasheet and PCN107463 distinguish original B3 105 W from later G0 95 W; the projected July 2007 conversion date is not treated as an independently verified sale day.	LGA1156 platform, distinct from LGA775 and LGA1366. Intel's 8 September 2009 notice names the 750 and says the new processors and P55 chipset are available that day. Cooler inclusion and package temperature are omitted where maker evidence is unavailable.