What is Anti Aliasing in Games?

What is Anti Aliasing in Games?

What is Anti Aliasing in Games?

 Are you confused by the "anti-aliasing" feature in video game settings? Learn what anti aliasing is and how it can improve the graphics and fonts of the games you play.

Ever wondered what the term “anti-aliasing” we see all the time in games means, and whether we should enable it or not? And what's the benefit of enabling or disabling it? Today, We will explain in detail what anti aliasing is, how it works and other related questions.

What is Anti Aliasing?

You may first notice anti-aliasing when opening the options menu of your favorite video game. Usually, they are labeled with obscure and difficult to understand terms such as MSAA X5 or CSAA X8. You will probably leave it in the default settings because you don't know what the feature does.

Anti-aliasing is a way to get your computer to play nice with all those pixels in PC games and smooth them out into graphics worthy of the century. In short, it's a graphics setting that helps get rid of jaggies.

Anti-aliasing is usually used to make games look less blocky. This is a technique for smoothing the edges of jaggies by blending adjacent pixels of the same color. This results in a clearer and more realistic looking image.

How Does Anti Aliasing Work?

Anti Aliasing

Anti-aliasing aims to remove the edge jaggies we sometimes saw occurring when playing at lower graphics settings. Unlike in the real world where we have round objects, the first reason for getting these jaggies edges is the fact that everything we see on a monitor is in pixels, which are of course square.

To counteract this jaggies effect that we see in every slanted or rounded image, we can use anti-aliasing. This setting reduces the aliasing effect on the image by blending the colors at its base, creating a subtle illusion. This mixed effect does come at the expense of computing power and can often lower FPS in games, especially if the user has a low-end PC build.

Types of Anti Aliasing?

Below are various types of anti-aliasing techniques that you can use along with a brief explanation of each type.

Multi-Sampling Anti-Aliasing (MSAA)

One type of anti-aliasing is what is commonly referred to as "multisample anti-aliasing" (MSAA). This is the most common type of anti-aliasing these days that balances performance with visual fidelity.

This type of anti-aliasing creates higher-fidelity images by using multiple "samples" of at least two pixels. The more samples, the better the image quality. But that requires more GPU power, fortunately MSAA tops out at eight samples and doesn't exceed that.

Supersample Anti-Aliasing (SSAA)

Supersample Anti-Aliasing is by far one of the best and most effective anti-aliasing techniques available today. It makes your GPU load the game at a higher resolution, and then downsamples the image. Higher resolutions increase the number of pixels, making images look sharper. But again, the downside is that it requires a high-end and powerful GPU with additional video memory.

Fast Approximate Anti-Aliasing (FXAA)

FXAA is one of the least resource-intensive anti-aliasing techniques. So if you want anti-aliasing but don't own or want to buy a high-end PC, FXAA is the way to go. It blurs out the jaggies of the image edges instead of running all the calculations and using the power of the GPU to do so, resulting in much faster results with the least performance impact on your PC.

Temporal Anti-Aliasing (TXAA)

TXAA is a relatively new type of anti-aliasing that has only been seen in newer GPUs. It incorporates several anti-aliasing techniques to smooth out image edges. It is not as demanding as some other anti-aliasing techniques but produces better quality images than FXAA. However, you may still see some blurry images.

Morphological Anti-Aliasing (MLAA)

TXAA's anti-aliasing technique softens edges by spotting differences between pixels. Unlike TXAA which focuses more on quality than performance, MLAA doesn't put too much strain on your PC. It's more efficient and balances quality and performance on what's required. However, the downside to this method is that it can sometimes go a bit wrong, resulting in distorted text when blending the background and foreground parts of the image.

Nvidia And AMD Anti-Aliasing

AMD also has its own anti-aliasing technology called CSAA, and Nvidia has CFAA anti-aliasing. Nvidia's CSAA is more efficient and puts less strain on your GPU by sampling fewer colors, but resulting in less accurate color images because of it. Whereas AMD CFAA uses an edge-detection algorithm for better line filtering without color loss, it comes with a higher GPU power requirement than Nvidia's anti-aliasing.

Which Type of Anti-Aliasing Should Be Used?

There are many different types/techniques of anti-aliasing available, but you might only see one or two depending on which game you're using it for. So which anti-aliasing should we choose/use?

SSAA is the best choice if your computer can handle the load it puts out. But if your computer isn't capable, AMD anti-aliasing techniques and NVIDIA EQAA or CSAA are the best options.

On mid-range PCs that don't have AMD and NVIDIA EQAA or CSAA, you have the option of using MSAA. And those with low-end PCs, you should stick with FXAA if you want to stick with anti-aliasing without upgrading your PC.

The size of your view definitely impacts aliasing as well. For example, if you're playing a game on a 21-inch full HD 1080p display, you probably won't see much aliasing. But if your screen is a 40-inch TV with 1080p resolution, you will feel more of a difference.

Should You Enable Or Disable Anti Aliasing?

There are benefits to both. If you play a game and want to see the best appearance of the game, activate anti aliasing. What anti aliasing does is smooth out any jaggies on the edges of the image.

Jaggedness is the same as aliasing, so by enabling anti aliasing, you get a smoother looking game. What you don't get is smoother gameplay, as enabling anti aliasing means making your GPU do more calculations per frame to achieve smoothing. That means it can reduce the FPS in your game.

When you play games, you may feel willing to sacrifice a bit of a pretty look for a faster playing speed. So that's the real question, do you want to spoil your eyes or do you want to play faster? It all depends on your choice.


So what is anti aliasing? Simply put, anti-aliasing is a technique used to remove jaggies or effects such as "ladders" on the outlines of video game graphics to make them appear smoother. But the fact is, modern games don't even require anti-aliasing in some cases.

But it's still a good idea, you guys understand what anti aliasing is and how it works, as admin has explained in this article. Knowing about it helps you make an informed decision whether to focus on quality or performance in your PC games.

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Resa Risyan

Just an ordinary person who wants to share a little knowledge, hopefully the knowledge I provide can be useful for all of us. Keep in mind! Useful knowledge is an investment in the afterlife.

Also, read the article about What is API in Programming?. And see you in another article. Bye
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