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  2. Megahertz myth - Wikipedia

    en.wikipedia.org/wiki/Megahertz_myth

    [citation needed] The argument was that the IBM computer was five times faster than the Apple II, as its Intel 8088 processor had a clock speed roughly 4.7 times the clock speed of the MOS Technology 6502 used in the latter. However, what really matters is not how finely divided a machine's instructions are, but how long it takes to complete a ...

  3. Clock rate - Wikipedia

    en.wikipedia.org/wiki/Clock_rate

    For example, an IBM PC with an Intel 80486 CPU running at 50 MHz will be about twice as fast (internally only) as one with the same CPU and memory running at 25 MHz, while the same will not be true for MIPS R4000 running at the same clock rate as the two are different processors that implement different architectures and microarchitectures ...

  4. LINPACK benchmarks - Wikipedia

    en.wikipedia.org/wiki/LINPACK_benchmarks

    However, a computer's performance when running actual applications is likely to be far behind the maximal performance it achieves running the appropriate LINPACK benchmark. [ 3 ] The name of these benchmarks comes from the LINPACK package, a collection of algebra Fortran subroutines widely used in the 1980s, and initially tightly linked to the ...

  5. Computer performance - Wikipedia

    en.wikipedia.org/wiki/Computer_performance

    In computing, computer performance is the amount of useful work accomplished by a computer system. Outside of specific contexts, computer performance is estimated in terms of accuracy, efficiency and speed of executing computer program instructions. When it comes to high computer performance, one or more of the following factors might be involved:

  6. Comparison of Intel processors - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_Intel_processors

    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 ...

  7. Computer performance by orders of magnitude - Wikipedia

    en.wikipedia.org/wiki/Computer_performance_by...

    10 −1: multiplication of two 10-digit numbers by a 1940s electromechanical desk calculator [1] 3×10 −1: multiplication on Zuse Z3 and Z4, first programmable digital computers, 1941 and 1945 respectively; 5×10 −1: computing power of the average human mental calculation [clarification needed] for multiplication using pen and paper

  8. PowerPC 970 - Wikipedia

    en.wikipedia.org/wiki/PowerPC_970

    The Power Mac introduced a top clock speed of 2.5 GHz while liquid-cooled (eventually reaching as high as 2.7 GHz in April 2005). The iMac ran the front side bus at a third of the clock speed. Market demand was intense for a faster laptop CPU than the G4, but Apple never delivered a G5 series CPU in PowerBook laptops. The original 970 uses far ...

  9. Processing speed - Wikipedia

    en.wikipedia.org/wiki/Processing_speed

    Processing speed may refer to Cognitive processing speed; Instructions per second, a measure of a computer's processing speed; Clock speed, also known as processor speed