What is a GPU in a computer in simple words in 2024

A graphics processing unit (GPU) is a specialized electrical processor designed to swiftly operate and change memory in order to speed up the production of photos, videos in a frame buffer for output to a display device. In layman’s words, it’s a processor is designed exclusively for producing pictures, movies, and animations on a computer screen.

What is a GPU in a computer in simple words :

What is a GPU in a computer in simple words
source : unsplash

A Graphics Processing Unit, or GPU, is like a superhero for your computer when it comes to handling graphics and visuals. While the main brain of your computer, the CPU (Central Processing Unit), manages general tasks, the GPU specializes in rendering images, videos, and animations.


Think of the GPU as an artist that quickly paints beautiful pictures. When you’re playing a video game, streaming a movie, or editing photos, the GPU works tirelessly to make sure everything looks smooth and stunning on your screen.

One of the most important jobs of a GPU is rendering. Rendering involves creating images from data, like turning a 3D model into a lifelike scene on your screen. For example, when you play a game, the GPU takes information about the game world, characters, and actions, then transforms it into what you see—vivid landscapes, detailed characters, and dynamic movements—all in real-time.

GPUs are made up of thousands of tiny cores that work together to handle complex mathematical calculations needed for rendering. These cores split the work, allowing the GPU to process information much faster than a CPU, especially for tasks that involve heavy graphical processing.

Another cool thing about GPUs is their parallel processing ability. This means they can perform multiple tasks simultaneously, which is super useful for tasks like video editing or running complex simulations where lots of data needs to be processed at once.

There are different types of GPUs like :

Integrated GPUs are built into the CPU and handle basic graphical tasks like web browsing and office work.

What is a GPU in a computer in simple words
source : unsplash

Dedicated GPUs, on the other hand, are separate cards installed in the computer and are much more powerful, making them ideal for demanding tasks like gaming, 3D modeling, and video editing.

In recent years, GPUs have become essential not only for gaming but also for other fields like artificial intelligence, scientific research, and cryptocurrency mining. Their ability to handle massive amounts of data and perform complex calculations quickly has made them invaluable in various industries.

However, as GPUs become more powerful, they also consume more energy and generate heat. That’s why you might hear about cooling systems like fans or liquid cooling setups to keep GPUs from overheating while they work hard on those stunning graphics.

GPUs are the unsung heroes behind the mesmerizing visuals you see on your screen. They’re the powerhouse that transforms data into breathtaking images, making your digital experiences more immersive and enjoyable. Whether you’re gaming, designing, or exploring the digital world, the GPU plays a crucial role in bringing it all to life.


What are the key parts of a GPU :

A Graphics Processing Unit (GPU) is composed of several key parts that work together to handle graphics rendering and processing. Here are the main components:

1. Processor Cores:

The heart of a GPU, these cores are responsible for executing the complex calculations needed for rendering images and handling graphical tasks. Modern GPUs have thousands of cores that work in parallel, allowing for quick processing of vast amounts of data.

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2. Memory (VRAM):

Just like a computer has RAM (Random Access Memory), a GPU has its own dedicated memory called Video RAM (VRAM). This memory stores data that the GPU needs for rendering images and textures quickly. Having sufficient VRAM is crucial for handling high-resolution textures and complex scenes in games or visual applications.

3. GPU Clock:

This refers to the speed at which the GPU’s cores process information. It’s measured in gigahertz (GHz) and determines how quickly the GPU can perform calculations. A higher clock speed generally means faster processing and better performance.

4. Bus Interface:

This is the pathway that allows the GPU to communicate with the rest of the computer, including the CPU, memory, and other components. A faster bus interface helps in transferring data quickly between the GPU and other parts of the system.

5. Cooling System:

As GPUs work intensively and generate a significant amount of heat, they require effective cooling systems to prevent overheating. These cooling systems can include fans, heat sinks, or liquid cooling solutions to maintain optimal temperatures during operation.

6. Display Outputs:

GPUs have ports or connectors to output the rendered graphics to your display monitor or screens. Common types of outputs include HDMI, DisplayPort, DVI, and VGA, allowing users to connect various types of displays.

7. Power Connectors:

High-performance GPUs often require additional power beyond what the motherboard can provide. They have dedicated power connectors (usually 6-pin or 8-pin) to draw the necessary power from the computer’s power supply unit (PSU).

Understanding these parts helps in assessing a GPU’s capabilities and performance for tasks like gaming, content creation, scientific simulations, and more. Each part plays a critical role in ensuring smooth and efficient handling of graphical tasks on your computer.

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Which company makes GPU Chip :

There are only Two companies in the world which makes GPU chip and they are :


Renowned for its powerful and efficient graphics cards, NVIDIA has a strong presence in both gaming and professional industries. Their GeForce series is popular among gamers for its high performance, advanced features, and robust software support. NVIDIA’s Quadro and RTX series cater to professional users, offering specialized capabilities for tasks like 3D modeling, rendering, and artificial intelligence/machine learning applications.

In October 12, 2022 Nvidia has released there latest 4000 series GPU which are amazing and costly too for example let’s have a look on the Nvidia 4090 GPU unit by MSI which is one of the best 4090 GPU in the market :

What is a GPU in a computer in simple words in 2024

Its specifications are :

What is a GPU in a computer in simple words
Source :MSI

It is a flagship level GPU with which you can do any work you can think of or you can play games in 8K resolution which is amazing.

But with powerful GPUs the prices also increases like this one costs : ₹1,99,699

2. AMD (Advanced Micro Devices):

AMD competes fiercely with NVIDIA, offering Radeon graphics cards. Their Radeon RX series provides competitive performance in gaming and content creation, often offering a compelling price-to-performance ratio. AMD also produces GPUs designed for data centers and professional applications, such as the Radeon Pro series.

Both companies continuously innovate and release new GPU architectures, each with its strengths and targeted audience. Factors like performance, pricing, power efficiency, software support, and specific features (like ray tracing, AI capabilities, or software optimizations) can influence which company or GPU model is considered the “best” for different users or applications.

AMDs most powerful GPU is Radeon RX 7900 XTX which was released in December 13, 2022.

Radeon™ RX 7900 XTX GAMING TRIO is one of the best AMD GPU by MSI so let’s have a look :

What is a GPU in a computer in simple words

Its specifications are :

What is a GPU in a computer in simple words
source : MSI

This GPU is not as powerful as RTX 4090 but it can give nice competition to it.

This is a lot cheaper than the above one available at ₹1,38,627

Conclusion :

This post was all about GPUs in computer, i hope you might have understood the Discussion. If you have any suggestion or Queries please COMMENT below.


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