Lynnfield (microprocessor)

Lynnfield is the code name for a quad-core processor from Intel released in September 2009.[1] It was sold in varying configurations as Core i5-7xx, Core i7-8xx or Xeon X34xx. Lynnfield uses the Nehalem microarchitecture and replaces the earlier Penryn based Yorkfield processor, using the same 45 nm process technology, but with a new memory and bus interface. The product code for Lynnfield is 80605, its CPUID value identifies it as family 6, model 30 (0106Ex).

Lynnfield
General information
Launched2009
Designed byIntel
CPUID code106Ex
Product code80605
Performance
Max. CPU clock rate2.40 GHz to 3.06 GHz
Cache
L2 cache4x256kb
L3 cache8 MB
Architecture and classification
ApplicationDesktop
Technology node45 nm (774 million transistors)
MicroarchitectureNehalem
Instruction setx86, x86-64, MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2
Physical specifications
Cores
  • 4
Socket(s)
Products, models, variants
Brand name(s)

Lynnfield is related to the earlier Bloomfield and Gainestown microprocessors, which are used in server and high-end desktop systems. The main difference between the two is Lynnfield's use of the LGA 1156 processor socket as opposed to the LGA 1366 socket used by Bloomfield and Gainestown processors. LGA 1156 processors include Direct Media Interface and PCI Express links, which Intel has previously connected to the processor with a dedicated northbridge chip, called the memory controller hub or I/O hub.

The Lynnfield series of processors does not include built-in Intel graphics.

The mobile version of Lynnfield is Clarksfield.

Brand names

Brand nameModel (list)MarketClock frequency rangeHTECC RAM/Max. RAM
Core i5i5-7xxPerformance desktop2.67–2.80 GHzNoNo/16 (32 unofficially) GB
i5-7xxS2.40 GHz
Core i7i7-8xx2.80–3.07 GHzYes
i7-875K2.93 GHz (unlocked)
i7-8xxS2.53–2.67 GHz
XeonX34xxUP Server1.86–3.07 GHzsomeYes/32 GB

See also

References


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