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Key Difference Between CPU and GPU

Central Processing Unit (CPU)

CPU is known as brain for every ingrained system. CPU comprises the arithmetic logic unit (ALU) accustomed quickly to store the information and perform calculations and Control Unit (CU) for performing instruction sequencing as well as branching. CPU interacts with more computer components such as memory, input and output for performing instruction.

Graphics Processing Unit (GPU)

GPU is used to provide the images in computer games. GPU is faster than CPU’s speed and it emphasis on high throughput. It’s generally incorporated with electronic equipment for sharing RAM with electronic equipment that is nice for the foremost computing task. It contains more ALU units than CPU.

Difference Between CPU and GPU


CPU consumes or needs more memory It consumes or require less memory

Speed is slow Speed is fast

CPU contains minute powerful cores It contains weak cores.

It is suitable for serial instruction processing It is not suitable for serial instruction processing.

but not suitable for parallel instruction but it is suitable for parallel instruction processing.


It emphasis on low latency It emphasis on high throughout.

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