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The average power used by a 20 to 25 inch home color television is 70-100 Watts and its same as a bulb.
The power consumption of a TV depends on its size, model, and features. On average, most modern TVs use around 50 to 200 watts of electricity.
CRT TV:These old technologies are bulky in size and consume up to 120 watts of electricity. However, many people use CRT TVs as they are great for gaming purposes without any blurry motion or input lag.
Plasma TVs:They are made up of tiny gas pockets and light up when high voltage is applied. Plasma TV has an excellent contrast ratio and views, which consumes up to 500 watts of power.
LCD:They are a great combination of picture quality and low power consumption. LCDs use cold-cathode fluorescent lamps for backlighting and consume around 70-200 watts.
LED: While LCDs and LEDs use the same kind of technology, LED TVs typically use light-emitting diodes and are generally more economical.
OLED:This latest TV uses organic light-emitting diodes and uses more power than LEDs.