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The difference between modern technologies for RAM: DDR4 and DDR5

 

Random memory is one of the most important components of your computer, and in fact, this component is found in most smart devices in general, that is, your smartphone also includes random memory, as well as your home gaming device, and perhaps some other accessories and devices starting from the watch Smart TV and Smart TV! These memories are used to store files that the device needs to download very quickly, as we know, but today we will talk about a more specialized topic, which is the difference between modern technologies for DDR4 and DDR5 RAM.

 

The difference between modern technologies for RAM DDR4 and DDR5

In this article, we will tell you all the information you need to decide whether to use these new RAM, or stick to DDR4 memories, so this article is of interest to you if you intend to assemble a new device of course, especially since DDR5 RAM will not support previous generations Backward Compatibility.

 

Differences between DDR4 and DDR5 RAM: Speed

 

The first difference between these two types of random memory is the bandwidth, or let's say "speed", this term is the literal translation of the term Bandwidth, which you have certainly come across before as long as you are interested in the fields of computers and hardware, and the memory bandwidth is measured based on the speed of data transmission between The processor, the storage disk of any type and between the same memory in sequential operations of course, and as you can guess, the more bandwidth in the RAM, the faster and more efficient it will work.

 

DDR5 RAM Speed

Currently deployed DDR4 memory provides bandwidth of up to 3.2 Gbps for each of its pins, while DDR5 will come with almost double this number, i.e. 6.4 Gbps.

 

In addition to the above, the new DDR5 RAM technology will provide double frequency as well, as we all know, the DDR4 memories in our devices offer a primary frequency in the range of 1600 to 3200 MHz, and some of the leading RAMs offer between 4000 and 5000 MHz, while DDR5 memories will provide numbers up to 8400 Megahertz! These will range from 3200 to 6400 MHz as initial frequencies, but will reach the huge number of 8400 MHz in the most expensive and powerful models.

 

DDR5 power consumption compared to DDR4

 

The second difference between these two types of RAM is power consumption, and here we note that the evolution between DDR5 and DDR4 is really big and noticeable. In DDR4 RAM, the power management process was done by the motherboard itself, but in DDR5 memory, the process would be done through a separate chip called PMIC (Power Management Integrated Circuit).

 

DDR5 power consumption compared to DDR4

This means that the random memory will be smarter and will receive only the power it needs, no more and no less, and this will eventually lead to an adaptive power consumption with the quality of your use and not a constant power consumption, and in general, DDR5 memory will be more professional in terms of managing and saving energy and electricity.

 

Channel architecture in DDR5 RAM

 

Here we encounter another big difference between the two generations, and you may have heard of the term Dual Channel or even Quad Channel or Quad Channel, which is done by placing your random memories in the motherboard in a binary or quadrilateral and in a specific order, and this technology contributes greatly performance boost, especially with Ryzen chips. The technical basis for this process is that the memories in Dual Channel mode are distinctly interconnected with the central processor, and it is then able to access different sectors of data inside the random memories.

 

Channel architecture in DDR5 RAM

The revolutionary and at the same time strange change in DDR5 memory is that each chip will be dual channel in nature! That is, placing only one chip in your motherboard will mean that you are using the Dual Channel feature without a problem, and the more chips, the greater the number of channels accordingly, and the memories will often differ in terms of dealing with this feature from each of the companies producing within the technical field.

 

The difference between the RAM capacity in DDR4 and DDR5

 

The difference between the RAM capacity in DDR4 and DDR5

This is the last big difference between the two types of RAM we are talking about, which is the total space - or capacity - for each chip separately, and here we note that the current DDR4 chips have a maximum capacity, as they accept up to 16 * 16 GB, i.e. a total 265 GB, which equals 32 GB, but the situation for DDR5 will be different, as each chip will support up to 1024 GB, which is a total of 128 GB.

 

This means that the DDR5 memory will have a capacity of 128 GB for one piece of RAM! It is a very huge number, and taking the feature of its support for Dual-Channel in the form of a single memory, it means that in the future we may be able to buy a single 128GB RAM chip that supports Dual Channel!

 

The aforementioned are the main differences between the two types of memories, and perhaps now you want to know what you should do!

  Here, the mind is more likely to stay with the current DDR4 memory, especially since it still works excellently. On the other hand, the aforementioned differences may be more important for a person with a very professional use and not an ordinary user or player.


The difference between Single Channel and Dual Channel in RAM


 

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