DDR4 vs DDR5 RAM: What’s New and Should You Upgrade?

DDR4 vs DDR5 RAM: What’s New and Should You Upgrade?

DDR4 RAM has been the norm for a while. Intel and AMD now support DDR5 memory with their latest processors. However, DDR4 RAM is not going away soon. While DDR5 has benefits, it is more expensive. So, which is better: DDR4 vs DDR5 RAM?

DDR4 vs DDR5 RAM: What’s New and Should You Upgrade?

In this article, we compare DDR4 RAM with DDR5 RAM, including their architecture, capacity, channels, and frequency. If you’re considering different RAM kits, read on.

First, check these:

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What is RAM?

Random Access Memory (RAM) plays a crucial role in a computer’s performance. It is a type of memory that allows for random access of any byte without the need to read through all previous bytes. RAM is significantly faster than hard drives and solid-state drives.

DDR4 vs DDR5 RAM: What’s New and Should You Upgrade?

RAM is temporary storage for data and instructions that the CPU needs. This includes the operating system, applications, and data being processed. When you open a program, its code and data are loaded into RAM.

When you save a file, the data is temporarily stored in RAM before being written to a permanent storage device, such as a hard drive or SSD. RAM acts as a buffer between the CPU and storage drive.

The amount of RAM in a computer determines the number of programs it can run simultaneously and how much data it can process at once. More RAM allows a computer to run more programs and process data faster.

There are various types of RAM. The most commonly used is DDR, or Double Data Rate, which is a type of synchronous dynamic random-access memory (SDRAM) that can transfer data twice per clock cycle. It is faster than single data rate (SDR) SDRAM, which can only transfer data once per clock cycle.

Currently, the two most common standards are DDR4 and DDR5. DDR4 is the fourth generation, while DDR5 is the fifth generation of DDR RAM. Each standard improves upon its predecessor and often brings about new innovations. Now, let’s explore the differences between DDR4 and DDR5 RAM.

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DDR4 vs DDR5 RAM: Design and Architecture

The newer DDR5 RAM resembles a DDR4 module in design. However, their architectures differ, impacting data handling and transfer.

DDR4 vs DDR5 RAM: What’s New and Should You Upgrade?

Both RAM standards use the same 288-pin connector. However, their pinouts and notch positions differ. So, be careful not to install a RAM module in an incompatible slot.

Now, DDR4 RAM employs a 4-bit prefetch architecture, while DDR5 RAM introduces a new 16-bit prefetch architecture. This change allows DDR5 RAM to transfer more data per clock cycle, thereby enhancing efficiency and throughput.

Operating Voltage

Thanks to advancements in tech, DDR5 memory is more power efficient than DDR4 RAM. DDR4 operates at 1.2V, while DDR5 operates at a lower voltage starting from 1.1V. This reduction in voltage improves power efficiency and thermal performance by reducing heat output.

While power efficiency and thermals may not be a desktop user’s main concern, they have a significant impact on laptop performance. DDR5 RAM can provide better battery backup and improved cooling for laptop users.

DDR5 RAM comes with a built-in power management controller on the DIMM. In contrast, DDR4 RAM relies on the motherboard for power management. With the controller on the DIMM, DDR5 RAM systems have a simpler power delivery design.


Regarding storage, DDR4 RAM modules can be configured with up to 64GB of memory. However, DDR5 RAM, with its newer architecture, can accommodate higher capacities.

Currently, DDR5 RAM modules can be configured with up to 256GB of memory. Although 64GB DDR5 kits are available now, higher-capacity DDR5 RAM sticks are coming soon. This means that in the near future, you will be able to install more DDR5 RAM compared to DDR4 RAM.


Channels are crucial to a RAM’s performance. A RAM channel indicates the number of pathways or lanes for data to travel between memory modules and the memory controller. There are different configurations available, including single-channel, dual-channel, quad-channel, and octa-channel RAM.

For DDR4 RAM, each DIMM has one 64-bit memory channel. You can configure it as single-channel, dual-channel, or quad-channel, depending on the number of sticks you install and the supported configuration of your motherboard.

DDR4 vs DDR5 RAM: What’s New and Should You Upgrade?

DDR5 RAM offers several advancements over its predecessor, DDR4. One notable improvement is the increased number of channels. While DDR4 RAM has a single 64-bit channel per DIMM, DDR5 RAM has two independent 32-bit channels per DIMM. This means that even a single stick of DDR5 RAM operates in a dual-channel configuration. Additionally, DDR5 RAM can be configured in up to an octa-channel arrangement, effectively doubling the memory bandwidth compared to DDR4 RAM.

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Ultimately, the channels determine the amount of data that can be transferred simultaneously, directly impacting memory bandwidth. This is especially beneficial for memory-intensive tasks such as video editing, 3D rendering, and gaming.

Frequency, measured in megahertz (MHz), represents the speed at which the RAM can transfer data. A higher frequency means data can be transferred more quickly between the RAM and the CPU. DDR4 and DDR5 RAM differ significantly in terms of frequency, which plays a crucial role in determining their performance. Typically, DDR4 RAM operates at frequencies ranging from 2,133MHz to 3,200MHz per the JEDEC specification. However, some OEMs push DDR4 RAM to higher speeds.

DDR4 vs DDR5 RAM: What’s New and Should You Upgrade?

DDR5 RAM, according to JEDEC standards, starts at 3,200MHz and can exceed that speed. However, the slowest DDR5 modules available typically operate at 4,800MHz. Meanwhile, there are also DDR5 kits with speeds reaching 7,200MHz or even higher as the technology advances.


Clearly, DDR5 RAM brings numerous improvements. However, upgrading to the latest standard requires acknowledging that DDR5 RAM is not compatible with DDR4 motherboards. Notch placement differs between DDR4 and DDR5 DIMMs, so it’s vital to only buy the RAM standard supported by your motherboard.

Therefore, upgrading from DDR4 RAM to DDR5 memory necessitates replacing your motherboard. Additionally, unless your CPU supports both DDR4 and DDR5 RAM, you will likely need a new processor. Overall, upgrading to the newer DDR5 standard essentially entails building a new PC.

It used to be difficult to find DDR5 RAM, but now it’s easier. Currently, both DDR4 and DDR5 RAM are readily available. However, DDR4 RAM is more widely available and cheaper than DDR5 RAM, which has been the dominant standard for many years.

Although DDR5 is becoming more common, it remains expensive. For example, a 32GB (2x16GB) DDR4-3200MHz kit costs about $69, while a similar DDR5-4800MHz kit costs around $110.

DDR4 vs DDR5 RAM Comparison:

To summarize and compare DDR4 vs DDR5 RAM, take a look at the table below. It highlights the key details you need to know.

(ddr4 vs ddr5 ram comparison table)

In conclusion, DDR4 and DDR5 RAM have distinct features and benefits. DDR5 offers higher data transfer speeds, increased memory capacity, and improved power efficiency compared to DDR4. However, DDR4 is still a reliable option for most users, especially for budget-conscious individuals. Ultimately, the choice between DDR4 and DDR5 RAM depends on your specific needs and budget. Be sure to consider factors such as compatibility with your motherboard and other components, as well as your overall system requirements.

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FAQs on DDR4 vs DDR5 RAM

DDR5 RAM can make a difference in gaming as it provides a performance boost of up to 10-15% in some games. This is due to its higher frequency and bandwidth compared to DDR4 RAM, allowing for faster data transfer.

Mixing DDR4 and DDR5 RAM in the same system is not possible as each motherboard is configured to support only one RAM standard. Therefore, you cannot install these two different generations of RAM together.

Currently, the fastest DDR5 RAM available is not specified.

Gigabyte currently holds the record for the fastest DDR5 memory, achieving 11Gb/s of raw, single-channel bandwidth through overclocking. However, this method is unsafe and not recommended for end-consumers.

DDR5 RAM offers several improvements over DDR4 RAM, but it also has its downsides. The reduction in latency compared to DDR4 is not significant enough to justify the higher price. Additionally, since DDR5 is relatively new, there may be compatibility issues that require frequent BIOS updates. Furthermore, DDR5 is also more expensive than DDR4.

When it comes to RAM, there is a difference between MHz and MT/s.

DDR4 vs DDR5 RAM: Which RAM Is Right for You?

Is it worth upgrading to DDR5 RAM? The cost of the upgrade will be the biggest factor. DDR5 RAM is not only more expensive but also requires newer components. The actual cost of the upgrade depends on the number of components you need to upgrade. DDR5 RAM brings many improvements, so if you’re building a new PC, invest in the best modules to future-proof your investment. For gamers or casual users, as long as your rig performs well, there’s no immediate need to upgrade.

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