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Processor clock speeds increased by more than tenfold between 1990 and 1999, and 64-bit processors began to emerge later in the decade. In the 1990s, microprocessors no longer used the same clock speed for the processor and the RAM. Processors began to have a front-side bus (FSB) clock speed used in communication with RAM and other components ...
It was a major revelation to designers of this period to realize that the data word should be a multiple of the character size. They began to design computers with 12-, 24- and 36-bit data words (e.g., see the TX-2). In this era, Grosch's law dominated computer design: computer cost increased as the square of its speed.
Intel Haswell Core i7-4771 CPU, sitting atop its original packaging that contains an OEM fan-cooled heatsink. This generational list of Intel processors attempts to present all of Intel's processors from the 4-bit 4004 (1971) to the present high-end offerings.
For example, the 1961 Semiconductor Network Computer (Molecular Electronic Computer, Mol-E-Com), [10] [11] [12] the first monolithic integrated circuit [13] [14] [15] general purpose computer (built for demonstration purposes, programmed to simulate a desk calculator) was built by Texas Instruments for the US Air Force.
Processor Series nomenclature Code name Production date Features supported (instruction set) Clock rate Socket Fabri-cation TDP Cores (number) Bus speed Cache L1 Cache L2 Cache L3 Overclock capable 4004: N/A N/A 1971 - Nov 15 [clarification needed] N/A 740 kHz DIP 10-micron 2 N/A N/A N/A 8008: N/A N/A 1972 - April good [clarification needed] N ...
If applicable and openly known, the designation(s) of each processor's core (versions) is (are) listed in parentheses. For an overview over concrete product, you then need to consult further articles, like e.g. list of AMD accelerated processing units.
Itanium processor featuring an all-new microarchitecture. [26] 8 cores, decoupling in pipeline and in multithreading. 12-wide issue with partial out-of-order execution. [27] Kittson the last Itanium. It has the same microarchitecture as Poulson, but slightly higher clock speed for the top two models.
Bus Speed & Type [a] Cache Socket Memory Controller Features L1 L2 L3 SIMD Speed/Power Other Changes Am386 Am386: Sx/SxL/SxLV [1] 1 No 25–40 [1] FSB 100 PQFP [1] discrete: Am486 [2] 500, 350 Am486: 1 No 25–120 FSB 8 168 pin PGA 208 SQFP discrete: 500, 350 Enhanced Am486: 66–120 FSB 8, 8/16 168 pin PGA 208 SQFP [3] Am5x86 350 Am5x86: X5 ...