Hello, readers welcome to the new post. Here we will discuss the Difference between RAM and HDD. HDD and RAM both are types of computer memory units. RAM stores the computer’s programs and data which the CPU needs in real-time. RAM is a volatile memory unit that has data for a short time and data is removed when power is off. HDD is a permanent storage device that stores data permanently and it also stores operating system files permanently
Here we will discuss different parameters to find the differences between RAM and HDD.So let’s get started Difference between RAM and HDD
What is RAM
- RAM stands for random access memory is temporary storage in a computer and is used for data and access data easily.
- If you have more RAM in a computer then you can store more data and access it.
- RAM helps computers with different operations like application loadings, and editing spreadsheets. Memory helps to switch fastly these operations and also not when used these operations.
- The RAM helps devices to read or write in the same quantity neglecting the location of data in memory.
- RAM works based on speed and latency. For the basic level, latency defines a time delay for command and data access.
Types of RAM
- There are 2 main types of random access memory.
- DRAM
- SRAM
DRAM (Dynamic Random Access Memory)
- DRAM stands for dynamic random access memory and semiconductor memory that is used for storing data for computers to process functions.
- It is main type of RAM that is used for personal computers, and servers. It helps PC processors for accessing memory as compared to processing for starting.
- DRAM needed constant refreshing for data retention which affects speed than other memories.
SDRAM
- Dynamic RAM is used as the main memory of a computer but SDRAM is used as a cache of the computer.
- Due to static features, it does not need to refresh frequently like dynamic memory.
- The working speed of SDRAM is higher than dynamic RAM.
- Like other types of RAM SDRAM is volatile and loses data when turned off.
What is HDD
- The full form of HDD is a hard disc drive and a common part of computers’ secondary storage. It comprises disks of nonmagnetic material that has a coating of magnetic material.
- The data is stored in HDD in the form of a magnetic field. To store data in an HDD moveable magnetic reader arm is used which slides over plater or disks, That reason called HDD is known as magnetic memory.
- HDD is commonly used in desktop computers and laptops. As it is a secondary storage device CPU not has direct access to data stored in this device. The data of the HDD is first moved to RAM and then given to the CPU for processing. In some latest computers HDDs replaced with SDDs or solid-state drives
Difference between RAM and HDD
- Some differences between RAM and HDD are explained here
- The full form of RAM is random access memory and HDD stands for hard disk drive
- Ram is the main or primary memory and HDD is a hard disk drive
- RAM has mechanical components that come with transistors and HDD has moveable parts like an arm, pin
- The read and write time of RAM is less than HDD
- Each memory unit of RAM is accessed at the same speed and the HDD is accessed at different time
- Direct data can be accessed from RAM and data not directly accessed from HDD
- The storage range of RAM is one GB to eight GB and HDD has 500 GB to 4TB
- The Noise produced in HDD and RAM does not have noise
- RAM is expensive and HDD is less cost
- RAM has an impact on computer speed if the low speed of the computer decreases and HDD does not have any effect on computer speed
HDD Advantages
- HDD has a high capacity of data storage
- The operating speed is high than other storage like optical disks and ram
- It is easily accessible and can get at affordable rates
- Its prices are low
HDD Disadvantage
- Its form factors is higher than SSD
- It uses more power than RAM
- It losses power so energy inefficient
- It produces noise
- Its reading and writing speed is lower than RAM
Read also
That is all about the difference between RAM and HDD all details have been explained if you have any questions ask here. These two memory unit are physical elements of the computer used for holding the data instructions or data storage. RAM is a volatile memory unit that stores data for a short time and data is lost after power is off. HDD saves data for permanently
