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This is because the processor is always going to be faster than the RAM, which results in the processor having to wait for the RAM to deliver the data. During this wait time, the CPU sits idle, thus wasting power and time. Recent advances in technology have tried to overcome the speed barrier by moving on to dual, triple and even quad-channel techniques to increase the speed, with the most common being dual channel. But how much of an increase does it really bring about?

Today, we will be comparing the Single Channel vs Dual Channel Memory modules, to see whether the hype surrounding Dual Channel is real or not, and is the upgrade even worth it? But before we get to that, let us first see how memory in a system actually works. The Control wires are responsible for sending the commands to the memory modules, which contain information about what kind of operation is being performed by the system. The Data wires will carry the data that is either being read from the memory to the memory controller or being written from the memory controller to the memory.

The Memory Controller is also responsible for defining the memory speeds or clock rates for the said memory module. For example, if the Memory Controller states that the max clock rate it supports is MHz, even if you install a MHz memory module, the system will be able to utilize the potential of just Mhz only, thus underclocking the RAM.

Single Channel vs Dual Channel Memory: Architecture A single stick of RAM operates on a single bit data channelwhich means that it can push data down to a single pipe that is bits in total width.

Single Channel Architecture That being said, nowadays, modern systems support multi-channel platforms as well. In the case of Dual Channel Memory, the system makes use of not one but two memory channels. That being said, effectively, the ports on the channel 2 are taken from D64 to D, thus emulating the next set of 64 ports.

As a result, the system regards the channel width to be a total of bit width rather than bit. Thus, modules can process 64 bits of data at any given time, and so dual-channel platforms will read and write to two modules simultaneously saturating the bit wide bus.

As a result, they achieve double the transfer rate compared to traditional memory technologies. Furthermore, bandwidth also depends upon the width of the data bus. A single channel makes use of a bit device width, which basically means that 64 bits of data are transferred at each transfer cycle. A dual channel makes use of bit device width, ie, bits of data are transferred at each transfer cycle as shown in the architectural differences above.

This, in turn, impacts the system by theoretically doubling the bandwidth. Actual performance between Single Channel vs Dual Channel memory may differ, which is discussed vba copy destination paste special values. The memory bank consists of multiple columns and rows of storage units spread across several chips. Each memory module can have two or more memory banks for program and data storage.

Interleaved memory results in contiguous read and writes. This actually uses each memory bank in turn, instead of using the same one repeatedly. Eventually, it results in significantly higher memory throughput as each bank has a minimum waiting time between reads and writes. Using a Dual Channel Memory increases the number of memory banksthus, in turn, improving the interleaving design to result in better multitasking. Benchmarks While benchmarking is not equivalent to real life performance, it is far more realistic than the theoretical calculation.

The following benchmarks were conducted on our test machine.Many modern slim laptops also have their memory soldered to the motherboard. So be sure to check your manual before making any buying decisions.

Quad-channel RAM vs. dual-channel RAM: The shocking truth about their performance

Content creators and enthusiasts heavily into multitasking may want to consider more. For details on rated clock speed measured in MHz and timings listed as a series of numbers, likeyou can check our frequency and timings primerwere we also look at how the number of ranks or banks of memory on a given stick or kit of memory can significantly affect real-world performance.

A list of approved DDR4 modes is frequently updated on Wikipedia. Every current kit with enhanced timings requires XMP to automatically configure those timings, and the above-linked Wikipedia entry should help you figure out if those timings are standard or XMP. Those who chose not to take that risk may want to check out the CPU-Z screenshots of our memory reviews and pick from one of those kits. After tracking a similar phenomenon on Intel processors for several yearsour Ryzen memory deep-dive detailed how having two ranks of memory per channel offers a significant performance benefit to some applications.

Reasons to choose the later include leaving expansion room in the empty slots of boards that have two per channel, or getting the benefit of two ranks from boards that have only one slot per channel. Those who can afford modules that have twice as many chips will benefit from both the extra capacity and a slight performance boost in certain applications.

The recent re-introduction of 32GB desktop DIMMs means that you can even get 64GB from just two modules or GB from four, without worrying about whether your board supports pricier server memory. You may need to update your BIOS first. We have reviewed several of these boards and noticed that most retail parts include Intel XMP. CAS 15 timings appear to be the quickest of currently-available parts. The market for enhanced-performance memory at this data rate is so small that the lowest latency we can find among current products is CAS The beauty of DDR is that it runs at a whole ratio, 11x Because it worked so well, memory at this data rate was widely available at CAS But then a rumor started floating around that DDR was the sweet spot for series Ryzen processors, and manufacturers quickly began programming these modules to DDR to meet the new demand.

Price ratio is based on the cheapest kit in each configuration. Gamers and those doing basic mainstream productivity tasks can get by with 8GB. But several open browser tabs and other running programs can use this up pretty easily. Those doing serious content creation will likely want more.

Memory speed is limited, particularly with some low-end and mainstream Intel CPUs and chipsets. But if you have to spend more on components to support that speed, as well as higher-clocked memory, it may make more sense to splurge on a dedicated card that will deliver a better gaming performance overall.

The amount of software that sees major gains from faster, tighter-timing memory kits is actually fairly small.Forums New posts Search forums. New posts What's new Latest activity New profile posts. Members Current visitors New profile posts Search profile posts. Log in Register. Search titles only. Search Advanced search….

dual channel ram ddr4

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dual channel ram ddr4

Log in. Please check out our forum guidelines for info related to our community. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. DDR4 Dual Channel? HC1Gunner New Member. Joined Sep 3, Messages 6 0. Its been awhile since I've built a new PC. If my memory serves me right, Dual Channel uses the first 2 dimm slots. Meaning that if you're running a total of 32GB, your system will see better performance if you buy a memory kit that is 2 sticks of 16GB, verses buying a kit that is 4 sticks of 8GB, as only the first two dimm slots are "dual channel".

Am I correct in my thoughts? Joined Jan 25, Messages 1, 0. HC1Gunner said:. OneMoar There is Always Moar. Joined Apr 9, Messages 7, 2.Computers require memory to process and store information that is inputted into their systems.

Hence, your computer must have the applicable memory modules compatible with its motherboard specifications and capacity. Whichever chipset you have, these channels initiate the necessary RAM Random Access Memory to read the active or running applications and programs on your computer.

As already established, most modern motherboards have dual channel architectures. Some newer models even have triple or quadruple channel configurations. We scoured the web and found several of the top choices that are currently available via Amazon the US only.

Included below are the lists of specifications as indicated on Amazon for the different motherboards. This motherboard boasts of an automated, overall system-tuning, which enables users to do seamless cooling and overclocking.

It also has a built-in audio capability that can be utilized to customize acoustics based on user preferences. Check out this ASUS motherboard today and give your gaming rig a much-needed upgrade.

Check out this motherboard and enjoy dual-channel memory configuration with your RAM. Apart from this, it boasts the following features:. Check out this powerful motherboard today and get the latest dual-channel technology. The RAM chipsets in these DIMM cells permit the computer to process and store data for the different running applications and programs you use.

This is where the Channel Memory comes in. This high-throughput information pathway enables a RAM chipset to connect to your system so that data is processed and stored. These pathways may either be single, dual, or even triple or quadruple. They act as distinct information lines, correlated with the speed of data processing. In this article, however, we are focusing on the dual-channel memory as differentiated from the single-channel memory. When only a single channel is present, this configuration allows the same data processing to happen.

However, it does not have any other parallel line, which can enable better CPU performance by acting as a simultaneous mirroring or sparing channel. As compared to the single-channel memory, the dual-channel memory is composed of two specific data lines or channels that enable RAM to interact with the CPU.

Single channel vs dual-channel DDR4 RAM on the AMD Ryzen 4800HS platform (Zephyrus G14 GA401)

Hence, computer performance is better, and the speed by which information is processed is considerably faster. Both of these configurations allow better and faster performance. Data is transferred faster as you add RAM sticks to your system. The problem, however, is that not all motherboards support the quad-channel memory mode.

Other supplemental hardware may not support it, as well. Hence, it is best to use dual-channel memory mode to ensure compatibility and, in the process, guarantee unhindered use. When your computer utilizes two distinct channels, mirroring or sparing mode can be initiated.Dual-channel RAM is one version of multi-channel memory. All the versions of multi-channel RAM increase data transfer speed by adding more channels of communication between the memory and the memory controller. The RAM on the memory module communicates with the rest of the computer through the memory controller on the central processing unit also known as a CPU or a processor using a bus.

Some memory controllers have multiple channels for communication with the memory module. This allows faster data exchange, as the data can be sent on more than one channel. There are memory controllers built with one channel, two channels dual channelfour channels quad channelsix channels, and eight channels. Six-channel and eight-channel architecture is usually designed for servers. There are also a few motherboards that run triple-channel architecture. Triple-channel architecture also uses interleaving, which is a method of assigning memory addresses to the memory in a set order.

For dual-channel architecture, the original design combined two bit buses into a single bit bus, which was later called the ganged model. The performance increases were not enough, however. Manufacturers found that two independent buses increased performance more, so the unganged model is usually set by default on most modern processors.

For more information about computer hardware, read here. To take advantage of multi-channel memory, the processor must have a memory controller that supports the multi-channel architecture and the motherboard must support the architecture. In addition, the RAM modules must be matched in as groups that correspond with the level of multi-channel architecture, for example, dual channel requires pairs, quad channel requires four modules, and so on.

Motherboards that support multi-channel architecture will frequently have color-coded memory slots to help ensure that matched modules are inserted. Most DRAM manufacturers will sell memory in "kits" to ensure that the memory modules match in capacity, speed, latency, number of chips and sides, and the size of rows and columns. It's best to buy RAM in kits compatible with your motherboard and processor if you intend to take advantage of multi-channel memory.

If memory modules that do not match are inserted, they will usually work, but at the specifications of the slowest module. Read here about how to install memory. If you're looking to significantly speed up your computer, multi-channel architecture can do it.The channels permit reading from and writing to memory to occur on distinct channels.

To take advantage of a dual-channel platform when purchasing memory make sure to buy memory in identical pairs. For example, if you wanted to upgrade to an additional 2 GB of memory.

dual channel ram ddr4

Buy two 1 GB memory modules that are exactly identical. While each memory chip's speed doesn't need to be the same as the others, it's best to install memory with matching speeds. If the speeds differ, the motherboard runs the memory chips at the speed of the slowest chip. Finally, if you are only installing two memory modules at a time make sure the memory is installed into the proper memory slots.

Almost always the memory slots will be color-coded to indicate the memory channel, as shown in the picture below. The first channel is often slots one and two, and the second channel is three and four. When installing memory in pairs make sure to install them into the same colored slot to take advantage of the dual-channel platform.

As can be assumed by the names, triple-channel architecture triples the available memory bandwidth and Quad-channel architecture quadruples the memory bandwidth. As with dual-channel architecture memory should be installed in a set of three or four depending on the architecture of the motherboard. When active your initial boot screen that displays your memory speeds and capacity should show "Dual Channel" or "Dual Channel Interleaved" somewhere in the memory settings.

Alternatively, software programs like CPU-Z can also detect and display this information. For dual-channel, you only need to install memory in pairs.

All four memory sticks do not need to be the same, only the pairs need to be the same and installed in their proper memory slots. Home Dictionary D - Definitions. Related pages Memory RAM help and support.

Was this page useful?We use cookies to ensure that we give you the best experience on our website. We do not collect your personal data. With that in mind, many of the base-level gaming laptops available these days get a single stick of RAM which works in single-channel. Of course, some of the differences are also caused by the increased amount of RAM on the dual-channel configuration, so take that into consideration as well.

Jumping on to the QHD resolution, the differences get even smaller between the two implementations, with Witcher 3 being pretty much the only title that shows a significant decrease in the single-channel configuration. Disclaimer: Our content is reader-supported. If you buy through some of the links on our site, we may earn an affiliate commission. Learn more. I've been covering mobile computers since the s and you'll mostly find reviews and thorough guides written by me here on the site.

Andrei Girbea. Thank you for the article! Quick question, if I was to install a 32gb stick to max it out to 40gb of ram, will that be better than running 16gb dual channel? It depends on the load. Only 16 Gb would work in dual channel. Also, make sure you put a MHz stick, that's the most important aspect.

Thank you Andrei, will do, knowing that it will be mhz, would the performance be better than 16gb dual channel? Thank you! Again, it depends on the app and whether it would benefit from that extra amount of RAM or not. Most will not. That will be single channel mode. You would need 2 identical sticks to get dual channel so 8gb x 8gb is where I would leave it as.

The first stick is soldered on so it cannot be switched out. But yeah it does need to be identical to the non soldered ram for dual channels. Your email address will not be published. Notify me of followup comments via e-mail. You can also subscribe without commenting.

What Is Dual Channel Memory & How Does It Work?

They are one of the key no pun intended methods of interfacing with the computers we use for so much Real notebook reviews and analysis by real people. By Andrei Girbea - andreigirbealast updated on April 23, As you might be aware, single-channel RAM notebook configurations experience a significant drop in gaming performance compared to a dual-channel implementation with similar specs, due to how the recent Windows installments manage memory on dual-graphics laptops that get both an iGPU and a dGPU.

Share this article: Facebook Twitter. Andrei Girbea, Editor-in-Chief of Ultrabookreview. You may also like Best portable gaming laptops and ultrabooks in detailed guide. Mo April 14, at am.