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What is DDR5 ? How Fast is it Compared to DDR4 ?

What is DDR5 and DDR5 RAM upgrade memory from DDR4

How fast is DDR5 compared to DDR4?

What is DDR? DDR stands for Double Data Rate, which is a type of computer memory that helps the computer handle any type of information. Currently in 2023 DDR5 is the latest version of RAM (Random Access Memory), and it is an upgraded version of DDR4 to make your computer perform faster when it comes to random access memory and caching information.


When we talk about speed in terms of computer memory, it is meant on how fast it can transfer that data or how fast it can bring it up after temporarily storing it in cache. DDR4 has minimum speeds of 2133 MT/s and maximum speeds of 3200 MT/s. DDR5 increase the minimum speeds from 2133 MT/s, to 4800 MT/s, and with max speed up to 8400 MT/s.

High Capacity, Low Power:

Not only is DDR5 faster than DDR4 but it is also more power efficient, as it is designed with a focus on improved power efficiency. It achieves higher performance levels while consuming less power. It can handle larger amounts of information in terms of maximum size capacity, making it best for heavy tasks such as AI computation, multiple virtual machines, analysis of big files etc.

Bigger Pipes for More Data:

The concept of "bigger pipes" refers to the data pathways within the memory architecture, and this plays a crucial role in determining how much can be transferred between the memory and the processor at any point in time.
DDR4 memory typically operates at a 64-bit data bus width. This means that 64-bits of data can be transferred in parallel between the memory and the processor.
DDR5 introduces a wider data bus width with size of 128 bits and going up to 256 bits. This increase in data bus width allows for more data to be transferred simultaneously.

Error Correction:

Error correction in DDR4 may vary between different modules. DDR5; however, incorporates enhanced error correction features, improved from DDR4 error correction, which improves the data integrity and temporary data storage.

In summation, DDR5 offers substantial improvements in speed performance, data bus width, cache size, capacity, error handling and efficiency compared to DDR4. In order to use DDR5, newer and specific equipment such as CPU and motherboards are needed to run DDR5 RAM modules.

Check out DDR5 memory for 16th Gen Dell servers

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