Kentsfield (microprocessor)

Kentsfield

Intel Core 2 Quad Kentsfield Q6600
General information
Launched	2006
Discontinued	2009
Marketed by	Intel
Designed by	Intel
Common manufacturer	Intel
CPUID code	06Fx
Product code	80562
Performance
Max. CPU clock rate	0.09 GHz to 3.00 GHz
FSB speeds	1066 MT/s to 1333 MT/s
Cache
L2 cache	2 × 4 MiB
Architecture and classification
Application	Desktop, UP Server
Technology node	65 nm
Microarchitecture	Core
Instruction set	x86-64
Physical specifications
Cores	4
Socket	LGA 775
Products, models, variants
Brand names	Core 2 Quad Q6xxx Core 2 Extreme QX6xxx Xeon 32xx
Variant	Clovertown
History
Predecessor	Presler
Successor	Yorkfield

Kentsfield is the code name of the first Intel desktop Core 2 Quad and quad-core Xeon CPUs,^[1] released on November 2, 2006. The top-of-the-line Kentsfields were Core 2 Extreme models numbered QX6x00, while the mainstream Core 2 Quad models were numbered Q6x00. All of them featured two 8 MiB L2 cache. The mainstream 65 nanometer Core 2 Quad Q6600, clocked at 2.4 GHz, was launched on January 8, 2007 at US$851 (reduced to US$530 on April 7, 2007). July 22, 2007 marked the release of the Core 2 Quad Q6700 and Core 2 Extreme QX6850 Kentsfields at US$530 and US$999 respectively; the price of the Q6600 was later reduced to US$266.^[2] Both Kentsfield and Kentsfield XE use product code 80562.