Search results
Results from the WOW.Com Content Network
A 2.4 GHz Pentium 4 was released on April 2, 2002, and the bus speed increased from 400 MT/s to 533 MT/s (133 MHz physical clock) for the 2.26 GHz, 2.4 GHz, and 2.53 GHz models in May, 2.66 GHz and 2.8 GHz models in August, and 3.06 GHz model in November. With Northwood, the Pentium 4 came of age.
Clock speed L2 L3 FSB speed Clock multiplier Voltage range TDP Socket Release date Part number(s) Release price (USD) Pentium 4 Extreme Edition 3.2: SL7AA (M0) 3.2 GHz 512 2MB: 800 MT/s: 16×: 1.55V: 92.1 W: Socket 478: November 3, 2003: BX80532PG3200F RK80532PG0882M: $925 [34] Pentium 4 Extreme Edition 3.4: SL7CH (M0) 3.4 GHz 512 2MB: 17×: 1. ...
The clock rate of the first generation of computers was measured in hertz or kilohertz (kHz), the first personal computers (PCs) to arrive throughout the 1970s and 1980s had clock rates measured in megahertz (MHz), and in the 21st century the speed of modern CPUs is commonly advertised in gigahertz (GHz).
Socket 423 is a 423-pin CPU socket used by Intel's first generation of Pentium 4 processors based on the Willamette core. This socket was short-lived, as it became apparent that its electrical design proved inadequate for raising clock speeds beyond 2.0 GHz. Intel produced chips using this socket for less than a year, from November 2000 to ...
In early processors, the TSC was a cycle counter, incrementing by 1 for each clock cycle (which could cause its rate to vary on processors that could change clock speed at runtime) – in later processors, it increments at a fixed rate that doesn't necessarily match the CPU clock speed.
4 MiB – 16 MiB Pentium 4: 5xx 6xx Cedar Mill Northwood Prescott Willamette: 2000–2008 1.3 GHz – 3.8 GHz Socket 423 Socket 478 LGA 775 Socket T: 65 nm, 90 nm, 130 nm, 180 nm 21 W – 115 W 1 /w hyperthreading 400 MHz, 533 MHz, 800 MHz, 1066 MHz 8 KiB – 16 KiB 256 KiB – 2 MiB 2 MiB Pentium 4: 5xx 6xx Gallatin Prescott 2M: 2000–2008
For example, for a 1.6 GHz Pentium M, the clock frequency can be stepped down in 200 MHz decrements over the range from 1.6 to 0.6 GHz. At the same time, the voltage requirement decreases from 1.484 to 0.956 V. The result is that the power consumption theoretically goes down by a factor of 6.4.
BogoMips (from "bogus" and MIPS) is a crude measurement of CPU speed made by the Linux kernel when it boots to calibrate an internal busy-loop. [1] An often-quoted definition of the term is "the number of million times per second a processor can do absolutely nothing".