A Central Processing Unit (CPU) and a Graphics Processing Unit (GPU) are both necessary units of the embedded computing systems used to increase the throughput of data and the existing calculations in an application. However, the roles of both are different. A CPU cannot be replaced entirely by a GPU.
Find out the differences and comparisons of the two units here. They are:
- Graphics Processing Unit (GPU)
- Central Processing Unit (CPU)
What is a GPU?
Delivering high performance, the Graphics Processing Unit is quicker than the CPU. Manufactured using small specialised cores, the GPU helps to render the images in the computer games. It also complements the CPU by enabling repetitive calculations. GPU, however, usually performs limited or special Mathematical operations. It can also complete more work than the CPU within the same time.
What is a CPU?
The CPU constituting the ALU- Arithmetic Logic Unit is manufactured from a million transistors and features multiple processing cores. Referred to as the brains of the computer, the central processing unit also executes the instructions as per the programmes based on the functions like arithmetic, logic, control and input-output and so on.
Differences between GPU and CPU
| GPU | CPU |
| Graphics Processing Unit | Central Processing |
| Lesser memory consumption | Memory consumption is more |
| GPU is quicker | CPU speed is lesser |
| More weak cores | Minute powerful cores |
| Does not support serial instruction processing, but is compatible with parallel instruction processing | Supports serial instruction processing and is not compatible with parallel instruction processing |
| Focus on high throughput | Emphasis on low latency |
| Renders high-resolution images and video concurrently | Wide range of tasks quickly, though it is restricted in the concurrency of tasks |
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