| SSD | HDD |
|---|---|
| 1. SSD is an abbreviation of Solid-State Drive. | 1. HDD is an abbreviation of Hard Disk Drive. |
| 2. The time for reading and writing the data in SSD is shorter. | 2. The time for reading and writing the data in HDD is longer. |
| 3. There is a lower latency in SSDs. | 3. There is a higher latency in HDDs. |
| 4. Solid State Drives supports the more operations of input/output per second. | 4. Whereas, Hard Disk Drives supports fewer operations. |
| 5. Because the SSDs do not have a rotating disk and motor, the weight of these storage devices is light. | 5. The weight of HDDs is heavy. |
| 6. In the SSDs, the transfer of data is not sequential | 6. In the HDDs, the transfer of data is sequential. |
| 7. This storage device does not produce noise. | 7. Due to the mechanical movements, HDDs produce noise. |
| 8. The size of the SSD is more compact. | 8. The size of the HDD devices is larger. |
| 9. As compared to Hard Disk Drives, Solid State Drives are more expensive. | 9. The devices of Hard Disk Drives are cheaper. |
| 10. SSDs are safe from the magnetic effect. | 10. In HDDs, magnets can remove the data. |
| 11. SDDs generates little heat because there is no moving part included. | 11. HDD devices generate more heat because of the mechanical part. |
| 12. It consumes less power than the HDDs. | 12. HDDs require more power to keep all the parts moving. |
| 13. The average boot-up time of OS is 10 to 13 seconds. | 13. The average boot-up time of OS is 30 to 40 seconds. |
| 14. The file opening speed of SSD is 30% faster than the HDD. | 14. The file opening speed of HDDs is slightly slower. |
| 15. As there are no moving parts, so there is no vibration. | 15. Due to the spinning of platters may results in vibration. |
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