How many watts does a laptop use?

Most laptop users don’t need to be concerned about how many watts does a laptop use.

We can assist you if you want to learn everything about the best laptop you have previously used or energy consumption.

The solution is simple and solely based on a laptop, a 15-inch laptop uses approximately 60 watts per hour on average.

But this is not the proper amount to consume.

Many elements that you are unaware of influence power consumption or how many watts does a laptop use.

Factors for Laptop Power Consumption:

Before moving on to the elements that affect it, there are a few things to think about.

1. Types of laptops:

The type of laptop purchased is one of the most important elements in determining power consumption.

A typical laptop consumes around 60 watt-hours of power, it is more in a gaming laptop or the other high-end laptop.

According to our lab tests, laptops become very hot and need to be cooled with a cooling pad and some machines exceed 1OOW per hour on average.

If you want to charge these laptops then power will increase.

2. CPU of Laptop:

In comparison to powerful CPUs, the power consumption is extremely reasonable compared to laptops with low-end CPUs.

If the processor is just not functioning well, it will require more power to keep the laptop running, while a powerful CPU will use very little watts in the laptop.

3. Graphic card of Laptop:

Graphics cards have better performance and consume more power.

When playing high-end games on a laptop computer, the GPU delivers a superior view.

Machine learning and data research is commonly performed with high-end GPUs like the RTX 2080, 2070, or 2060.

In most cases, it also includes a high-resolution screen, a larger battery capacity, and other features that require a lot of energy.

Choose a model with a 2-in-1 laptop or integrated graphics to save electricity.

4. Watt of adapter:

The majority of 15.6-inch laptops have a 60-watt charger, whereas 17-inch laptops use a 90-watt charger.

When your laptop is powered by a 60W adaptor, it consumes watts.

As a result, it consumes less power than a laptop that requires a 90W adaptor.

How many watts does a laptop use

How many watts does a gaming laptop use?

All gaming laptops are extremely powerful and require a unique number of components.

The Acer Predator Helios 300 is a popular gaming laptop with a 180W charger which makes it the best laptop in any series.

Every hour, it consumes a minimum of 180 watts.

How many watts does the Apple MacBook consume?

A charger requires 61 watts per hour for a 13-inch MacBook Pro and 87 watts per hour for a 15-inch MacBook.

The MacBook’s average power consumption is 61Wh or 0.061 kW, and it runs for roughly 10 hours every day.

How to reduce the power consumption of your laptop:

If you already know your laptop’s power consumption level and are dissatisfied with the outcomes, you should perform several methods to lower watts consumption in the laptop as follows:

  1. When your laptop is fully charged, make sure to unplug it.
  2. Make sure your laptop isn’t overcharged, it runs on batteries and consumes more energy.
  3. Connect the charger when the battery is 10% charged.
  4. Invest in a cooling pad to keep your laptop cool while it’s charging.
  5. Allow your computer to cool down before beginning the task to save energy.
  6. To avoid system stress, upgrade your processor and other components.
  7. Make sure you’re using an original charger.
  8. It can also make use of a variety of other types of energy.
  9. The screen’s high brightness wastes a lot of power.
  10. You can avoid this by shrinking your screen and using eye protection when you don’t need it.
Related Article: How to Measure Screen Size of Laptop?

How to calculate the wattage consumed by a laptop?

Ultimately, you will discover ways to calculate your laptop’s actual wattage, laptop charger power usage, and other parameters.

You may also use the power usage monitor to find electricity consumers by your laptop.

1. Manual calculation:

For any laptop, you can easily establish the approximate user power consumption level by taking into account the energy (adapter power) consumed to charge the laptop.

If you need more precise data, you may need to include charging adapters that can deliver 180 watts per hour in the laptop.

Additionally, the computer’s CPU and GPU are two crucial components that increase overall power usage.

Intel processors, NVIDIA graphics cards, and AMD graphics cards are all widely available on most laptops.

You can check the power consumption of different components on the official website, or open the back panel to ensure it’s safe.

CPU power usage is typically between 45W and 5OW, and GPU power consumption is between 75W and 80W.

The combination of the two greatly raises the laptop’s power usage.

This is simply an average, and depending on the type of component used, it might be much higher.

Further, the maximum screen brightness varies between 0.5 and 15 watts per hour on the laptop.

Other components such as SSD / HDD and RAM are also important, but these require particular consideration.

You might not be able to obtain an exact amount manually, but you should be able to get a good estimate for the initial concept.

It consumes roughly 60 watts of power or 0.06 kWh.

This means that using your laptop for 8 hours per day will cost you 100 rupees each day.

Related Article: How to use sim card in laptop?
2. Electricity Usage:

For more precise calculations, you can use the electrical usage monitor.

The device may be used to determine the watts consumed while charging your laptop by plugging it into a power outlet.

This is because all of the power used originates from the same outlet, and the results are displayed on the screen in seconds.

This device can be used in combination with other devices in your home, it is not essential but curiosity allows you to achieve fantastic things.

To use the device, simply plug it into a wall socket and connect the charger to it.

This will begin reading the charging plug’s power, it normally demonstrations around 60W of power, which is the charger’s wattage.

Related Article: How to improve battery life of laptop?

FAQs on How Many Watts Does a Laptop Consume?

Does a laptop consume less energy than a PC?

Laptops have a lot of components hence use less energy than PCs.

Laptops that utilize more energy than entry-level computers are available.

Gaming Laptop wattage vs Basic Laptop wattage: Which is more?

Watt for gaming laptops is certainly more than a low-cost entry-level machine.

It boasts a greater screen resolution, better graphics, better adapter power, and a faster CPU among other things.

How many watts does a 15.6-inch laptop consume?

We examined the specifications of 250 different laptops and discovered that the average 15.6-inch laptop uses roughly 60 watts of power.

Laptop Wattage in 17-inch Machines?

We examined 190 17-inch laptop models & discovered that a number of them consumed 90 watts on average.

Related Article: How to charge laptop in car?
Frequently Asked Questions:
How many watts does a laptop need?

A 15-inch laptop uses roughly 60 watts per hour on average.

How much power does a laptop use per hour?

The laptop consumes between 50 and 100 W / h depending on the model.

How many watts does a 17-inch laptop use?

A charging adapter for a 17-inch laptop is usually 90 watts.

Conclusion on How Many Watts Does a Laptop Consume?

Finally, let’s have a look at a quick summary of laptop power usage.

Laptops typically consume 60 watts of power during charging and depend exclusively on other components during use.

Section Under: FAQ

Hi, I am Meena Patil, the founder of, I did my B.E. Computer. This blog provides honest information related to several laptops, laptop equipment, laptop reviews, buyer's guide and much more.

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