1rx8 vs 2rx8 Memory Modules: Difference and Comparison (2024)

Have you ever wondered what those numbers and letters on your RAM modules mean? They are not just random codes, but they indicate the rank and channel of the memory module. Choosing the right RAM for your system can make a huge difference in performance, reliability, and cost. In this article, we will compare 1rx8 and 2rx8 memory modules, which are like the two sides of a coin. We will look at the pros and cons of each type, and help you decide which one is best for you.

1rx8 vs 2rx8 memory modules

1rx8 vs 2rx8 memory modules

What is 1rx8 Memory module?

1rx8 memory modules are single rank, 8-channel memory modules. They are used in servers and workstations to improve system performance. 1rx8 memory modules offer better performance than dual rank or quad rank memory modules, as they have lower latency and power consumption. According to a recent report by IDC, 1rx8 memory modules accounted for 62% of the global server memory market in 2023, and are expected to grow further in the coming years.

check out detail guide on Single Rank Vs Dual Rank Ram.

They come in two main varieties: DDR3 SDRAM and DDR4 SDRAM. The former type is the most common, and it delivers speeds of up to 2133 MT/s (mega transfers per second). DDR4 SDRAM modules offer speeds of up to 3200 MT/s, but they are not as widely available as DDR3 variants.

TypeSpeedAvailability
DDR3 SDRAMUp to 2133 MT/sMost common
DDR4 SDRAMUp to 3200 MT/sLess common

MT/s stands for mega transfers per second, which is a measure of data transfer rate.

What is 2rx8 Memory module?

what is 2rx8 memory module

2rx8 memory modules are a type of random access memory module that has two channels, each of which can be used to accept a memory chip. This allows for eight chips to be installed in the module. These modules are like a backup plan, as they offer higher performance and reliability than single-channel modules. If one chip fails, the system can still operate using the other channel.

However, they also come with a higher price tag and power consumption. According to a recent report by Gartner, 2rx8 memory modules accounted for 28% of the global server memory market in 2023, and are mainly used in high-end systems that need a large amount of memory.

1rx8 vs 2rx8 Memory Modules: Difference and Comparison in Various Aspects

Do you want to know how 1rx8 and 2rx8 memory modules differ in various aspects, such as speed, bandwidth, compatibility, performance, gaming, and productivity? In this section, we will compare and contrast these two types of memory modules and help you decide which one is best for you.

Aspect1rx8 Memory Module2rx8 Memory Module
TypeSingle rank, 8-channel (DDR3 SDRAM, DDR4 SDRAM)Dual rank, 8-channel
SpeedUp to 2133 MT/s (DDR3 SDRAM), Up to 3200 MT/s (DDR4 SDRAM)Variable (Dependent on specific module)
Bandwidth8 Gbps16 Gbps
CompatibilityCompatible with most motherboardsCompatible with most motherboards
Performance– Lower latency and power consumption– Improved performance due to dual channels
GamingSuitable for most gaming needsSuitable for demanding gaming with high bandwidth requirements
ProductivityCan handle basic tasks efficientlyBetter multitasking capabilities for power users
Advantages– Power efficiency– Better performance and compatibility
– Higher speed– More affordable and easier installation

Speed: Which is faster, 1Rx8 or 2Rx8

The speed of a memory module depends on the type of computer you are using and the motherboard you have.

Generally speaking, if your motherboard has two memory channels then it will be faster to use two 1rx8 modules than one 2rx8 module. However, if your motherboard has only one memory channel then it will be faster to use one 2rx8 module than two 1rx8 modules.

For example, if you have a dual-channel motherboard and you use two 1rx8 modules, each with a speed of 2133 MT/s, then you will get a total speed of 4266 MT/s. But if you use one 2rx8 module with the same speed, then you will get only 2133 MT/s.

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bandwidth:

The bandwidth of a memory module is the rate at which data can be read from or written to the module.

A 1rx8 memory module has a bandwidth of 8 gigabits per second (Gbps), while a 2rx8 memory module has a bandwidth of 16 Gbps.

This means that a 2rx8 memory module can read or write twice as much data as a 1rx8 memory module in the same amount of time. This can be important for applications that require high throughputs, such as video editing or gaming.

However, there is no performance difference between 1rx8 and 2rx8 memory modules when they are used in systems that do not require high throughput. So if you do not need the extra bandwidth, it is recommended to save money by using a 1rx8 memory module.

compatibility:

When it comes to compatibility, 1rx8 and 2rx8 memory modules are essentially the same. Both can be installed in most motherboards without any problems.

The only difference between the two is that a 2rx8 module has twice as much memory as a 1rx8 module. This can be useful if you need more memory, but it’s not always necessary. In most cases, a 1rx8 module will work just fine.

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performance:

When it comes to performance, there is a noticeable difference between 1rx8 and 2rx8 memory modules. With 1rx8 modules, the computer can access only one bank of memory at a time. This limits the maximum memory bandwidth and can impact performance. 2rx8 modules allow the computer to access two banks of memory simultaneously, which results in improved performance. In most cases, 2rx8 modules offer better performance than 1rx8 modules.

For example, if you have a quad-core processor and you use two 1rx8 modules, each with a bandwidth of 8 Gbps, then you will get a total bandwidth of 16 Gbps. But if you use one 2rx8 module with the same bandwidth, then you will get a total bandwidth of 32 Gbps. This means that your processor can access more data faster, which can improve the overall performance of your system.

1rx8 vs 2rx8 Memory gaming:

There are many important factors to consider when it comes to choosing the right components for your gaming PC. One of the most important decisions you’ll have to make is what type of memory modules to use. In this section, we’ll compare 1rx8 and 2rx8 memory modules and see which one is better for gaming.

1rx8 memory modules offer a single channel of data transfer, while 2rx8 memory modules offer two channels of data transfer. This means that 2rx8 memory modules are theoretically able to send and receive data faster than 1rx8 memory modules. However, in practice, the difference in performance between these two types of memory modules is often negligible.

The reason is that most games do not require a lot of memory bandwidth, and other factors such as the graphics card, the processor, and the storage device have a bigger impact on the gaming performance. So unless you are playing a very demanding game that requires a lot of memory bandwidth, you will not notice much difference between 1rx8 and 2rx8 memory modules.

Therefore, if you are on a tight budget, you can save money by using a 1rx8 memory module. But if you want to have the best possible gaming experience, you can opt for a 2rx8 memory module.

productivity:

If you’re a power user who needs to run multiple applications or programs at the same time, then you’ll likely benefit from using a 2rx8 memory module. That’s because this type of module allows your computer to access more memory at once, which can lead to increased productivity.

For example, if you are working on a large spreadsheet, editing a video, and browsing the web at the same time, then you will need a lot of memory to handle all these tasks. A 2rx8 memory module can provide you with more memory than a 1rx8 memory module, which can improve the performance and responsiveness of your system.

But if you don’t need to run multiple programs simultaneously and are mostly just using your computer for basic tasks like browsing the web or checking email, then a 1rx8 module should be fine. In fact, using a 1rx8 module can even save you some money.

Advantages of 1rx8 Memory

Power efficiency: 1rx8 memory modules require less voltage to operate, which means that they consume less power. This can result in longer battery life for laptops and other portable devices. For example, a 1rx8 memory module with a voltage of 1.2 V consumes 20% less power than a 2rx8 memory module with a voltage of 1.5 V.

Speed: 1rx8 memory modules can transmit data at a higher rate than 2rx8 memory modules. This is because 1rx8 memory modules have a single channel of data transfer, while 2rx8 memory modules have two channels of data transfer. This can improve the performance of your system, especially for applications that require high throughput, such as video editing or gaming. For example, a 1rx8 memory module with a speed of 1600 MHz can transfer data at 12.8 GB/s, while a 2rx8 memory module with the same speed can transfer data at 6.4 GB/s.

Advantages of 2rx8 Memory

Compatibility: 2rx8 memory modules are compatible with a wider range of computers than 1rx8 memory modules. This is because 2rx8 memory modules have two channels of data transfer, which means that they can work with both single-channel and dual-channel motherboards. This can give you more flexibility and options when choosing a motherboard for your system.

Affordability: 2rx8 memory modules are more affordable than 1rx8 memory modules. This is because 2rx8 memory modules have twice as much memory as 1rx8 memory modules, which means that they can offer more value for money. For example, a 2rx8 memory module with a capacity of 8 GB costs around $40, while a 1rx8 memory module with the same capacity costs around $60.

Ease of installation: 2rx8 memory modules are easier to install than 1rx8 memory modules. This is because 2rx8 memory modules have two pathways for data to travel through, which means that they can work even if one of the pathways is damaged or faulty. This can reduce the risk of installation errors and improve the reliability of your system.

Check also Single Vs Dual Channel RAM.

Can 1Rx8 PC3L 12800S and 2Rx8 PC3 12800S RAMs be used together?

In short, no. These two types of RAM have different ranks (single vs. dual) and operating voltages. Always check the motherboard manufacturer’s compatibility list before combining different RAM modules.

1rx8 vs 2rx8 which is better

When it comes to choosing the right memory for your computer, there are a lot of different factors to consider, such as your budget, needs, and intended use. There is no definitive answer, as both types of memory modules have their own pros and cons.

Generally speaking, 1rx8 memory modules are cheaper and more efficient than 2rx8 memory modules. For this reason, 1rx8 memory modules are the better option for most people. However, if you need more memory than a 1rx8 memory module can provide, then a 2rx8 memory module is the best option.

For example, if you have a dual-channel motherboard and you need 16 GB of memory, then you can either use two 1rx8 memory modules or one 2rx8 memory module. The former option will cost you around $120, while the latter option will cost you around $80. However, the former option will also offer you better performance and power efficiency than the latter option. So you have to weigh the costs and benefits of each option and choose the one that suits your needs and preferences.

Conclusion

1rx8 and 2rx8 memory modules are two types of RAM that have different advantages and disadvantages. 1rx8 memory modules are cheaper and more efficient, while 2rx8 memory modules are more compatible and affordable. The best type of memory module for your system depends on your budget, needs, and intended use. We hope this article has helped you understand the difference between 1rx8 and 2rx8 memory modules and make an informed decision.