How to calculate the power of CPU, motherboard, graphics card, hard disk and memory module?

1. CPU power calculation.

P=a×b×F×V2 (note that “2” in the formula refers to the square of the operating voltage) where a and b are coefficients (constants) related to the CPU architecture, and F is the CPU Working frequency, V is the CPU working voltage, which can be deduced: CPU current power = CPU default power × (current frequency/default frequency) × (current voltage/default voltage) 2.

2. Motherboard: Now the new motherboard itself does not consume much power, most of which are 20-30W; the integrated motherboard is slightly higher at 30-40W.

3. Graphics card: The graphics card is the graphics processing center of the computer. The power of the same model of graphics card is actually very different (the same as above, it is also the thermal design power consumption).

Nvidia GF 6600: 30-50W, Nvidia GF 6800: 40-70W, Nvidia GF 7600: 35W, Nvidia GF 7800: 60-90W, Nvidia GF 7900: 60-90W.

4. Hard disk: hard disk capacity = number of cylinders (indicating how many tracks are on each disk surface, the general total is 1024) × number of heads (indicating the number of disk surfaces) × number of sectors (indicating the number of tracks on each disk) There are several sectors, generally the total number is 64) × sector (the basic unit of storage, the size is generally 512B/4KB).

5. Memory module power: memory DDR 5-10W, memory DDR2 2.5-5W.

Extended information:

Reference power of some peripherals:

1. The power of computer speakers and other peripherals can be calculated as 20-40W.

2. Monitor reference power:

Ordinary CRT: 15CRT: 60W, 17CRT: 80W, 19CRT: 105W.

LCD 15LCD: 23-35W 17LCD: 30-48W; 19LCD: 32-50W 22LCD: 45-60W

24LCD: 78W.