Difference Between CPU and GPU ( CPU vs GPU )

CPU vs GPU

CPU & GPU might be a well-known concept around, even most computer beginners know about the functions of CPU & GPU, but APU is another concept that most computer users are not yet fully aware of.

Before we begin explaining the functions and role of APUs in the world of computers, let’s review the role of GPU and CPU once again.

CPU:

CPU stands for Central Processing Unit, also referred to as a system processor. It is the main controlling chip in a PC. The logic begins at its core, basic arithmetic, logic, and Input/output operations, controlling is fairly executed by the operating system. Speaking of the design, it is a very simple piece of electronic circuitry consisting of logic units such as Arithmetic Logic Unit (ALU) & Control Unit (CU) in electronic circuitry.

On the other hand, ALU is responsible for executing arithmetic & logic operations or even for simply doing the Boolean algebra. The CU fetches data from memory and provides the instructions to the ALU.

Nowadays, CPUs are available with multiple cores and threads, which allow them to continuously perform tasks that are not possible with some older, single-core CPUs. The Modern Day’s CPUs come with six or more cores which can bifurcate the tasks between within virtual or logical cores with hyper-threading or multi-threading.

GPU:

GPU stands for Graphics Processing Unit, is way more efficient in comparison with the CPU in terms of algorithms that process a large amount of data in parallel. Although CPUs have more of a general usage purpose, while GPUs are optimized to work with some specific data.

The GPU comes with two main forms: Dedicated & Integrated

A dedicated Graphics Card, the chip is available with a separate video card that’s removable and can be upgraded later. It comes with its RAM (dedicated), which is specially customized to work better with processes related to graphics.

Integrated GPUs are a part of the motherboard, it uses system RAM for its operation and is a lot slower as compared to a dedicated GPU.

Some CPU examples from the market are AMD, NVidia, either of these are totally in huge demand.

APU:

Accelerated Processing Unit – APU is a simple marketing term for microprocessors that includes the feature of both CPU and the GPU on the same front.

It may sound odd, but it is quite similar to an integrated GPU with some distinctions between both terms. The original story began back in 2006 when a project named Fusion was run by AMD, but APU was not released around that time.

APU is known as a HAS- Compliant that stands for Heterogeneous System Architecture. It is a type of specifications of cross-vendor sets that allow the integration of CPUs and GPUs on the front with some individual shared memory and tasks.

The most interesting thing about APU is that it shares the combination of CPU and GPU on a single die. As such, they are sharing the same resources, which results in APUs being more efficient in using those resources.

One recent market release of APUs is Zen 3 from Ryzen Processors, as it got great positive feedback from users.

It has the freedom to upgrade; therefore, it is a great option if you’re likely to do e-Sports gaming casually.

 You may choose whatever satisfies your requirements in terms of a processor; however, a dedicated GPU & CPU are the best available options in any situation.  

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