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  2. Processor power dissipation - Wikipedia

    en.wikipedia.org/wiki/Processor_power_dissipation

    In applications where the computer is often heavily loaded, such as scientific computing, performance per watt (how much computing the CPU does per unit of energy) becomes more significant. CPUs typically use a significant portion of the power consumed by the computer.

  3. Standby power - Wikipedia

    en.wikipedia.org/wiki/Standby_power

    Standby power consumption can be estimated using tables of standby power used by typical devices, [18] although standby power used by appliances of the same class vary extremely widely (for a CRT computer display standby power is listed at a minimum of 1.6 W, maximum 74.5 W).

  4. Performance per watt - Wikipedia

    en.wikipedia.org/wiki/Performance_per_watt

    The power measurement is often the average power used while running the benchmark, but other measures of power usage may be employed (e.g. peak power, idle power). For example, the early UNIVAC I computer performed approximately 0.015 operations per watt-second (performing 1,905 operations per second (OPS), while consuming 125 kW).

  5. Laptop - Wikipedia

    en.wikipedia.org/wiki/Laptop

    This is beneficial when space is at a premium, for example in small apartments and student dorms. When not in use, a laptop can be closed and put away in a desk drawer. Low power consumption: Laptops are several times more power-efficient than desktops. A typical laptop uses 10–100 W, compared to 200–800W for desktops.

  6. Power supply unit (computer) - Wikipedia

    en.wikipedia.org/wiki/Power_supply_unit_(computer)

    The system power consumption is a sum of the power ratings for all of the components of the computer system that draw on the power supply. Some graphics cards (especially multiple cards) and large groups of hard drives can place very heavy demands on the 12 V lines of the PSU, and for these loads, the PSU's 12 V rating is crucial.

  7. Thermal design power - Wikipedia

    en.wikipedia.org/wiki/Thermal_design_power

    The average CPU power (ACP) is the power consumption of central processing units, especially server processors, under "average" daily usage as defined by Advanced Micro Devices (AMD) for use in its line of processors based on the K10 microarchitecture (Opteron 8300 and 2300 series processors). Intel's thermal design power (TDP), used for ...

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  9. Electric energy consumption - Wikipedia

    en.wikipedia.org/wiki/Electric_energy_consumption

    In this scenario, [21] almost half of the increase in 2040 of electricity consumption is covered by more than 80% growth of renewable energy. Many new nuclear plants will be constructed, mainly to replace old ones. The nuclear part of electricity generation will increase from 11 to 12%. The renewable part goes up much more, from 21 to 33%.

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