Types of Monitors and Their Power Consumption
1. CRT Monitors
- Average Wattage Utilization: 60-100 watts
- CRT monitors are known for their high power consumption and emit more heat than most modern monitors.
2. LCD Monitors
- Average Wattage Utilization: 15-30 watts
- LCD monitors are a more energy-efficient alternative to CRT monitors, using less power and generating less heat. They also have a longer lifespan than CRT monitors.
3. LED Monitors
- Average Wattage Utilization: 10-25 watts
- LED monitors are a type of LCD monitor that uses LED backlighting to create brighter and more vivid images. They use even less power than traditional LCD monitors and are known for their energy efficiency.
4. OLED Monitors
- Average Wattage Utilization: 50-100 watts
- OLED monitors offer superior image quality and contrast but consume more power than traditional LCD or LED monitors due to their organic material construction.
5. Curved Monitors
- Average Wattage Utilization: 35-60 watts
- Curved monitors are a type of LCD or LED monitor that feature a curved display. While they may not use significantly more power than traditional monitors, they may require a more powerful graphics card to drive the curved display, which can increase overall power consumption.
6. Gaming Monitors
- Average Wattage Utilization: 50-120 watts
- Gaming monitors are designed for gamers and often feature high refresh rates and low input lag. While some models may be more energy-efficient than others, they typically require more power than standard monitors due to their advanced features.
7. Plasma Monitors
- Average Wattage Utilization: 100-200 watts
- If you were to use a plasma monitor, the average wattage utilization would depend on the size and other features of the monitor. However, generally speaking, plasma monitors consume more power than other types of monitors. Larger plasma monitors can consume anywhere from 200 to 500 watts or more, while smaller models may use around 100 to 200 watts.
Average Power Consumption Of Monitors By Screen Size
Screen Size |
CRT Monitor |
LCD Monitor |
LED Monitor |
OLED Monitor |
Curved Monitor |
Ultrawide Monitor |
Gaming Monitor |
10 to 19 inches |
30 to 70W |
10 to 25W |
8 to 20W |
10 to 25W |
10 to 25W |
10 to 25W |
10 to 25W |
20 to 24 inches |
50 to 100W |
20 to 50W |
10 to 25W |
20 to 50W |
20 to 50W |
20 to 50W |
20 to 50W |
25 to 29 inches |
70 to 150W |
30 to 70W |
15 to 35W |
30 to 70W |
30 to 70W |
30 to 70W |
30 to 70W |
30 to 34 inches |
100 to 200W |
60 to 100W |
25 to 60W |
60 to 100W |
60 to 100W |
60 to 100W |
60 to 100W |
35 to 39 inches |
150 to 300W |
100 to 150W |
50 to 100W |
100 to 150W |
100 to 150W |
100 to 150W |
100 to 150W |
40 to 45 inches |
200 to 400W |
150 to 200W |
80 to 150W |
150 to 200W |
150 to 200W |
150 to 200W |
150 to 200W |
46 to 55 inches |
300 to 500W |
200 to 300W |
100 to 200W |
200 to 300W |
200 to 300W |
200 to 300W |
200 to 300W |
What Matters is Operating Mode of the Monitor
The operating modes of monitors can have a significant impact on electricity usage, energy efficiency, and power consumption in watts. Active mode is the most commonly used mode, but standby mode, off mode, energy-saving mode, and power-saving modes are all effective ways to save energy and reduce electricity usage.
By taking advantage of additional features such as brightness adjustment modes, color temperature adjustment modes, contrast adjustment modes, and refresh rate adjustment modes, users can further customize their monitor settings to improve energy efficiency and reduce eye strain. Understanding the different operating modes of monitors and their impact on energy consumption is a crucial step towards making informed decisions about energy efficiency and contributing to a more sustainable future.
Active Mode
Active mode is the most commonly used mode of operation for monitors. In this mode, the monitor is fully powered on and displaying images.
The power consumption of the monitor in active mode can vary depending on the type of monitor, its size, and the brightness settings. However, the power consumption in active mode can range from 25 to 250 watts, with larger monitors consuming more power than smaller ones.
Standby Mode
Standby mode, also known as sleep mode, is a power-saving mode that most monitors enter when they are not in use.
In this mode, the monitor is partially powered down, but it can still receive signals from the computer. The power consumption in standby mode is much lower than in active mode and can range from 0.5 to 4 watts, depending on the monitor's size and model. Standby mode is an effective way to save energy and reduce electricity usage when the monitor is not in use for an extended period.
Off Mode
Off mode is when the monitor is entirely powered off, and there is no power consumption.
In this mode, the monitor is not receiving any signals from the computer and is essentially disconnected. Turning off the monitor when not in use is an effective way to reduce electricity usage and save energy.
Energy-Saving Mode
Energy-saving mode is a power-saving feature that some monitors come with, which automatically adjusts the monitor's brightness and contrast settings to reduce energy consumption.
This mode is especially useful for monitors that are used for extended periods, such as in offices, where energy savings can accumulate over time. The power consumption in energy-saving mode is typically lower than in active mode, and it can range from 10 to 80 watts, depending on the monitor's size and model.
Power-Saving Modes
Power-saving modes are additional features that some monitors come with, which allow the user to customize power-saving settings. These modes can include options such as:
- Automatic power-off: This feature automatically turns off the monitor after a certain period of inactivity.
- Power scheduling: This feature allows the user to schedule when the monitor enters standby mode or turns off completely.
- Power consumption information: This feature displays information about the monitor's power consumption in different modes, allowing the user to make informed decisions about energy efficiency.
Brightness Adjustment Modes
Brightness adjustment modes are features that allow the user to adjust the monitor's brightness to suit their needs. These modes can include options such as:
- Auto-brightness: This feature automatically adjusts the brightness of the monitor based on the ambient light in the room.
- Manual brightness: This feature allows the user to manually adjust the brightness of the monitor to their desired level.
- Day and night modes: This feature allows the user to set different brightness levels for daytime and nighttime use.
Color Temperature Adjustment Modes
Color temperature adjustment modes are features that allow the user to adjust the monitor's color temperature to suit their needs. These modes can include options such as:
- Warm, cool, and neutral settings: This feature allows the user to select different color temperature settings based on their preferences.
- Night mode: This feature reduces the amount of blue light emitted by the monitor, which can reduce eye strain and improve sleep quality when using the monitor at night.
Contrast Adjustment Modes
Contrast adjustment modes are features that allow the user to adjust the monitor's contrast to suit their needs. These modes can include options such as:
- Auto-contrast: This feature automatically adjusts the contrast of the monitor based on the content being displayed.
- Manual contrast: This feature allows the user to manually adjust the contrast of the monitor to their desired level.
Refresh Rate Adjustment Modes
Refresh rate adjustment modes are features that allow the user to adjust the monitor's refresh rate to suit their needs. These modes can include options such as:
- High refresh rate: This feature increases the monitor's refresh rate, resulting in smoother, more responsive gameplay and video playback.
- Low refresh rate: This feature reduces the monitor's refresh rate, which can reduce eye strain and improve battery life on laptops and other portable devices.
Understanding Monitor Power Consumption: How Much Electricity Do Monitors Use?
The power consumption of a monitor depends on its size, resolution, and display technology. Generally, LCD monitors consume less power than CRT monitors. The power consumption of a monitor is measured in watts. A typical 24-inch LCD monitor consumes around 20-25 watts of power, while a 27-inch monitor uses 30-35 watts, and a 32-inch monitor consumes 40-45 watts.
Do computer monitors use a lot of electricity?
Compared to other household appliances, computer monitors do not use a lot of electricity. However, they do consume a significant amount of power, especially when used for long hours. To save energy, it's essential to manage monitor power consumption.
How much does it cost to run a computer monitor per hour?
The cost of running a computer monitor per hour depends on your electricity rate and the monitor's wattage. For example, if your electricity rate is $0.12 per kilowatt-hour and your monitor uses 25 watts of power, it would cost around $0.003 per hour to run the monitor.
Which monitor consumes least power?
The power consumption of a monitor depends on its display technology and size. LED monitors are the most energy-efficient and consume less power than LCD and CRT monitors. Among different sizes of monitors, a 19-inch LCD monitor consumes the least power.
Is it cheaper to use a TV as a monitor?
Using a TV as a monitor may seem like a good idea, but it's not always the best option. TVs are designed for viewing from a distance, while monitors are designed for close-up work. Moreover, TVs generally consume more power than monitors, and their resolution may not be suitable for computing tasks. Therefore, it's better to use a monitor for computer work.
Best refresh rates for gaming monitors to improve performance
Refresh rate is the number of times a monitor updates the image on the screen per second. The higher the refresh rate, the smoother the image appears. For gaming monitors, a refresh rate of at least 120Hz is recommended to improve performance.
How to adjust monitor refresh rate for reduced eye strain
High refresh rates can cause eye strain, especially when used for long hours. To reduce eye strain, adjust the refresh rate of your monitor to match the lighting conditions in your workspace. For example, in dimly lit areas, a lower refresh rate may be more suitable.
Does higher refresh rate monitor consume more power than lower refresh rate monitor?
A higher refresh rate may require more power from the monitor's hardware. However, the difference in power consumption between a higher and lower refresh rate is generally negligible.
The impact of refresh rate on 4K monitors and power consumption
4K monitors require more power than lower-resolution monitors. However, the impact of refresh rate on power consumption is similar to that of lower-resolution monitors.
The benefits of high refresh rate monitors for video editing and power usage
High refresh rates improve the performance of video editing tasks and provide a smoother image. However, they may require more power than lower refresh rates.
Refresh rate vs. input lag: Which is more important for monitor power consumption?
Both refresh rate and input lag affect monitor power consumption. However, refresh rate has a more significant impact on power consumption.
How to overclock your monitor's refresh rate for maximum performance and minimum power consumption
Overclocking your monitor's refresh rate can increase its performance but may also increase its power consumption. To overclock your monitor's refresh rate, you need to adjust its settings using specialized software. However, you should do it cautiously, as it can potentially damage your monitor.
The effect of variable refresh rate (VRR) technology on monitor power usage
Variable refresh rate (VRR) technology adjusts the monitor's refresh rate to match the frame rate of the content being displayed. This technology can reduce screen tearing and improve the quality of gaming and video playback. However, it may increase power consumption.
The impact of refresh rate on productivity and monitor energy consumption
Refresh rate can affect productivity by reducing eye strain and providing a smoother image. However, high refresh rates may consume more power than lower refresh rates.
The role of graphics cards in determining monitor refresh rate and power consumption
Graphics cards are responsible for generating the images that are displayed on the monitor. The graphics card's capabilities affect the monitor's refresh rate and power consumption.
How to use power-saving modes to reduce monitor energy consumption
Power-saving modes, such as standby and sleep modes, can significantly reduce monitor power consumption. These modes put the monitor in a low-power state when not in use, reducing energy waste.
Comparing the power usage of different types of monitor stands
The type of monitor stand can affect the monitor's power consumption. For example, a desk mount stand may use less power than a stand with a built-in USB hub.
How to reduce glare on your monitor and save energy?
Glare on the monitor can increase eye strain and the need for a brighter display, which can consume more power. To reduce glare, use an anti-glare screen or adjust the monitor's placement.
The impact of color temperature on monitor power consumption
Color temperature is a measure of the color of the light emitted by the monitor. A warmer color temperature may reduce eye strain, but it may also increase power consumption.
The benefits of using an eco-friendly monitor
Eco-friendly monitors use less power and contain fewer harmful materials than traditional monitors. They can save energy and reduce the environmental impact of computing.
Can a screen filter reduce monitor power consumption?
Screen filters can reduce glare and improve the visibility of the monitor. However, they do not directly affect monitor power consumption.
How to properly dispose of your old monitor to reduce energy waste
Old monitors can contain hazardous materials and should be disposed of properly. To reduce energy waste, consider recycling or donating your old monitor.
Using multiple monitors: How to minimize their collective power consumption
Using multiple monitors can increase productivity but can also increase power consumption. To minimize power consumption, use energy-saving features, such as power-saving modes.
The role of display technologies in determining monitor power usage
Different display technologies, such as LCD, LED, and OLED, have different power consumption levels. LED monitors are the most energy-efficient.
The benefits of using a smart monitor with energy-saving features
Smart monitors with energy-saving features can automatically adjust their power consumption to match the content being displayed, reducing energy waste.
Energy-efficient monitors: How to choose the best one for your needs
When choosing an energy-efficient monitor, consider its size, resolution, display technology, and energy-saving features.
The impact of monitor size on power consumption
Larger monitors generally consume more power than smaller monitors. However, larger monitors may also provide a better viewing experience and improve productivity.
How to reduce monitor power consumption with software settings
By adjusting the software settings of your computer and monitor, you can significantly reduce monitor power consumption.
OLED vs. LCD monitors: Which consumes less power?
OLED monitors are generally more energy-efficient than LCD monitors. However, OLED monitors are more expensive and have shorter lifespans than LCD monitors.
The effect of monitor resolution on power usage
Monitor resolution refers to the number of pixels displayed on the screen. Higher resolution monitors generally consume more power than lower resolution monitors.
Tips for adjusting your monitor's brightness to save power
Reducing the brightness of your monitor can significantly reduce power consumption. However, you should ensure that the screen is still readable and comfortable to use.
The role of standby and sleep modes in reducing monitor power consumption
Standby and sleep modes are designed to put the monitor into a low-power state when not in use. These modes can significantly reduce monitor power consumption.
Comparing the power consumption of desktop vs. laptop monitors
Laptop monitors generally consume less power than desktop monitors. However, desktop monitors are typically larger and may provide a better viewing experience.
The benefits of using dark mode to reduce monitor power usage
Dark mode reduces the brightness of the monitor, reducing power consumption. It can also reduce eye strain in low-light conditions.
The role of refresh rates in determining monitor power consumption
Refresh rates affect the power consumption of the monitor's hardware. Higher refresh rates may require more power.
How to optimize your computer's power settings for better monitor energy efficiency
By adjusting your computer's power settings, you can optimize your monitor's energy efficiency. This can include adjusting sleep and standby modes, turning off unused peripherals, and adjusting screen brightness.
The effect of color calibration on monitor power usage
Color calibration affects the accuracy of the colors displayed on the monitor. However, it does not have a significant impact on power consumption.
Can monitor brightness affect your energy bill?
The brightness of your monitor directly affects its power consumption. Reducing the brightness can significantly reduce your energy bill.
Choosing the right cable for your monitor to reduce power consumption
Choosing the right cable for your monitor can reduce power consumption by ensuring that the signal is transmitted efficiently and with minimal loss.
How to determine the power consumption of your monitor
You can determine the power consumption of your monitor by checking its technical specifications or using a power meter.
The role of monitor backlighting in energy usage
Backlighting is used to illuminate the monitor's screen. It is a significant contributor to power consumption, especially in LCD monitors.
The impact of monitor placement on power consumption
The placement of the monitor can affect its power consumption. Placing the monitor in direct sunlight can increase its power consumption.
The effects of screen savers on monitor power usage
Screen savers were designed to protect CRT monitors from burn-in. They do not affect the power consumption of modern monitors and may even increase it.
Using a smart power strip to reduce monitor energy consumption
Smart power strips can automatically turn off power to devices when not in use, reducing energy waste.
The potential energy savings of turning off your monitor when not in use
Turning off your monitor when not in use can save significant amounts of energy and reduce your energy bill.
Popular Energy Efficient Monitors
Brand |
Model |
Type |
Screen Size |
Power Consumption Range |
Dell |
UltraSharp U2419H |
LED |
24" |
15W |
Dell |
P2419H |
LED |
24" |
13W |
Dell |
UltraSharp U2718Q |
LED |
27" |
23W |
Dell |
P2719H |
LED |
27" |
22W |
Dell |
S2417DG |
Gaming |
24" |
23W |
Dell |
S2719DGF |
Gaming |
27" |
30W |
Dell |
UltraSharp U3415W |
Ultrawide |
34" |
38W |
Dell |
Alienware AW3418DW |
Curved |
34" |
55W |
HP |
EliteDisplay E243i |
LED |
24" |
16W |
HP |
EliteDisplay E273 |
LED |
27" |
25W |
HP |
Z27 |
LED |
27" |
27W |
HP |
Omen 25 |
Gaming |
25" |
30W |
HP |
Omen 27 |
Gaming |
27" |
37W |
HP |
Z38c |
Ultrawide |
37.5" |
52W |
HP |
Envy 34 |
Curved |
34" |
70W |
Acer |
R240HY |
LED |
23.8" |
15W |
Acer |
R271 |
LED |
27" |
20W |
Acer |
CB242Y |
LED |
23.8" |
16W |
Acer |
VG240Y |
LED |
23.8" |
18W |
Acer |
Predator X27 |
Gaming |
27" |
65W |
Acer |
Predator X35 |
Gaming |
35" |
100W |
Acer |
Predator X34 |
Ultrawide |
34" |
75W |
Acer |
Nitro XV340CK |
Curved |
34" |
48W |
ASUS |
VA24EHE |
LED |
23.8" |
15W |
ASUS |
VP28UQG |
LED |
28" |
60W |
ASUS |
ProArt PA278QV |
LED |
27" |
25W |
ASUS |
VG248QE |
Gaming |
24" |
34W |
ASUS |
VG279Q |
Gaming |
27" |
23W |
ASUS |
ProArt PA34CV |
Ultrawide |
34" |
45W |
ASUS |
TUF Gaming VG279QM |
Curved |
27" |
38W |
Samsung |
S24F350 |
LED |
23.5" |
17W |
Samsung |
S27F350 |
LED |
27" |
26W |
Samsung |
UR55 |
LED |
28" |
26W |
Samsung |
CHG90 |
Gaming |
49" |
180W |
Samsung |
Odyssey G7 |
Gaming |
27" |
40W |
Samsung |
CJ791 |
Ultrawide |
34" |
50W |
Samsung |
CRG9 |
Curved |
49" |
125W |
LG |
24MK400H-B |
LED |
24" |
13W |
LG |
27GL83A-B |
LED |
27" |
27W |
LG |
27UL650-W |
LED |
27" |
30W |
LG |
27GN950-B |
Gaming |
27" |
60W |
LG |
38WK95C-W |
Ultrawide |
38" |
70W |
LG |
34UC79G-B |
Curved |
34" |
45W |