Processor cores

Processor cores

The clock rates listed here are as specified by Intel for normal mode. "Turbo boost" can increase the rate on active cores in steps of the base clock (133 MHz if not overclocked) up to a predetermined limit for short periods when required, which can be useful with single threaded applications. The I7-965 XE and I7-975 XE have separate unlocked multipliers for memory and cores. Core clock above those in the table are not guaranteed by Intel.Rates above 5 GHz have been reported.[citation needed] Memory rates above those in the table are not guaranteed by Intel.Rates above DDR3-2000 have been reported.[citation needed] The processor has a Thermal Design Power of 130 W and will slow itself down if this power is exceeded. This feature can be disabled from an option in most of the new motherboards' BIOS. Prices are Intel's wholesale prices for lots of 1,000 units in USD at product launch. Core i7Model nm Cores(Threads) Clocks (GHz) Multipliers(x Base) Price(USD) Cache Memorycontroller QuickPathInterface Thermal Design Power Socket Releasedate Core Uncore Base Core Uncore i7-920 45nm 4(8) 2.66 2.13 .133 20 16 273 256 KB L2/core8 MB shared L3 3x DDR3-800/1066 1x 4.8 GT/s 130 W LGA 1366 2008-11-17 i7-940 2.93 22 538 i7-950 3.06 23 562 2009-06-03 i7-965 Extreme Edition 3.20 2.66 24 20 985 1x 6.4 GT/s 2008-11-17 i7-975 Extreme Edition 3.33 25 999 2009-06-03