Ddr 5 speicher: DDR5 vs. DDR4 Memory: Is DDR5 worth the upgrade?

Product Specifications

Module Type	DDR5 288 Pin Non-ECC Unbuffered DIMM
Frequency	8000	7800	7600	7200	7000	6800
Latency	CL38-48-48-84	CL38-48-48-84	CL36-46-46-84	CL34-42-42-84	CL34-42-42-84	CL34-44-44-84
Capacity	16GBx2	16GBx2	16GBx2	16GBx2	16GBx2	16GBx2
Data Transfer Bandwidth	64,000 MB/s (PC5-64000)	62,400 MB/s (PC5-62400)	60,800 MB/s (PC5 60800)	57,600 MB/s (PC5 57600)	56,000 MB/s (PC5 56000)	54,400 MB/s (PC5 54400)
Voltage	1. 45 V	1.4 V	1.4 V	1.4 V	1.4 V	1.4 V
Compatibility	Intel: 700 series
Dimensions	46.1(H) x 144.2(L) x 7(W)mm
Warranty	Lifetime warranty

Module Type	DDR5 288 Pin Non-ECC Unbuffered DIMM
Frequency	6600	6400	6200	6000	6000	6000
Latency	CL34-40-40-84	CL40-40-40-84	CL38-38-38-78	CL38-38-38-78	CL38-38-38-78	CL30-36-36-76
Capacity	16GBx2	16GB 16GBx2	16GB 16GBx2	16GB 16GBx2	32GBx2	16GB 16GBx2
Data Transfer Bandwidth	52,800 MB/s (PC5 52800)	51,200 MB/s (PC5 51200)	49,600 MB/s (PC5 49600)	48,000 MB/s (PC5 48000)	48,000 MB/s (PC5 48000)	48,000 MB/s (PC5 48000)
Voltage	1. 4 V	1.35 V	1.25 V	1.25 V	1.3 V	1.35 V
Compatibility	Intel: 600 series, 700 series
Dimensions	46.1(H) x 144.2(L) x 7(W)mm
Warranty	Lifetime warranty

Module Type	DDR5 288 Pin Non-ECC Unbuffered DIMM
Frequency	5600	5600	5600	5600	5600	5200
Latency	CL32-36-36-76	CL36-36-36-76	CL36-36-36-76	CL40-40-40-84	CL40-40-40-84	CL40-40-40-76
Capacity	16GB 16GBx2	16GB 16GBx2	32GBx2	16GB 16GBx2	32GBx2	16GB 16GBx2 32GBx2
Data Transfer Bandwidth	44,800 MB/s (PC5 44800)	44,800 MB/s (PC5 44800)	44,800 MB/s (PC5 44800)	44,800 MB/s (PC5 44800)	44,800 MB/s (PC5 44800)	41,600 MB/s (PC5 41600)
Voltage	1. 2 V	1.2 V	1.3 V	1.2 V	1.3 V	1.25 V
Compatibility	Intel: 600 series, 700 series
Dimensions	46.1(H) x 144.2(L) x 7(W)mm
Warranty	Lifetime warranty

PRECAUTIONS

[1] For more details about how to control the lighting effect by the software(ASUS Aura Sync / GIGABYTE RGB Fusion 2.0 / MSI Mystic Light Sync / ASROCK-Polychrome Sync / BIOSTAR Advanced VIVID LED DJ ), please visit the official website of the software developer(ASUS/GIGABYTE/MSI/ASRock/BIOSTAR)

NOTES

• The frequency and stability of the overclocking memory when automatic reading of the overclocking value (XMP or EXPO) is turned on will vary depending on the difference between the motherboard and CPU. Check «Product Compatibility Inquiry» before purchase for further info
• We reserve the right to modify product specifications without prior notice.

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DDR5 memory has fallen sharply in price. Why and what to expect? / Habr

At Selectel, we are closely monitoring the semiconductor market. And it is, let’s say, not very positive — a number of analysts predict the end of the crisis only in a couple of years. Even the optimists, who in the middle of last year spoke of the end of problems in 2022, have now changed their minds in favor of a negative outlook.

Still, there is a reason for optimism, or rather, it has just appeared — the fact is that DDR5 memory has begun to fall sharply in price. Moreover, the drop is very significant — in some cases we are talking about reducing the cost by 80% at once. About the reasons for the cheapening of memory strips and the possible prospects for the semiconductor market — under the cut. nine0005

More about price drops

The cost of DDR5 memory sticks was the highest in December last year. The reason is the lack of new memory in anticipation of the popularization of Intel Alder Lake. These processors are the first in the world to support DDR5.

According to market experts, the expansion of production of new chips will inevitably cause a protracted shortage of new-type memory, followed by price increases. To the surprise of many market players, the situation turned out to be different; it began to develop completely differently than expected. nine0003

Neither the shortage of DDR5 strips, nor the cost began to worsen. At the same time, relatively inexpensive representatives of the Alder Lake family appeared on sale, which, it would seem, should lead to an avalanche-like growth in demand for new memory. But whether chip makers ramped up shipments faster than planned, or laptop and PC vendors decided to continue using DDR4, demand for DDR5 hasn’t skyrocketed.

More precisely, it has increased, but the suppliers of the strips have provided memory for everyone or almost everyone. nine0003

It is worth noting that the first DDR5 strips appeared in June 2021, almost six months before the release of the processors mentioned above. Then we wrote that the price difference between DDR4 and DDR5 would be the highest in the history of DDR chip production.

At the very beginning of the shipment of new memory sticks, it was like that, the cost for a set of two 16 GB sticks was about $400. The most interesting thing is that at that time the parties were sold out in flight, despite the fact that it was still impossible to use them, because there were no systems that supported the new standard. Whatever it was, but soon the price of such a set fell to $311. Then the cost of memory increased for various reasons, but soon began to fall again. nine0003

So, in December, almost $1300 was already asked for the same set. True, just a month later, the cost fell to $410, returning to the initial figure.

According to experts, different sets of memory showed different price dynamics. But the fact remains that almost for the first time since the beginning of the crisis, semiconductor systems began to fall in price, and very rapidly. As mentioned above, some sets have become cheaper by 80%.

The market is still unstable

So far, no one knows whether the fall in prices will continue or whether the situation will soon change to the opposite. The major suppliers are now selling slats at a relatively low fixed price. But intermediate suppliers, those who sell memory in small batches, often change the price tag depending on the increase or decrease in the deficit.

Be that as it may, but large retailers at least adhere to the recommendations of the manufacturer, without raising prices too much. Small companies are not instructed, so they can use their own pricing policy. But still, there is now a certain moment of stability in the market, which has been in a fever for several months now. nine0003

What’s more, according to market players, vendors have started supplying the market with so many memory sticks that demand has finally been met. Now demand almost does not prevail over supply — all customers receive memory sticks on time and at the price at which they were bought.

Now, as far as we can judge, manufacturers are gradually increasing the output of memory chips of the new standard, so that in the near future the situation may change even more, for the better for buyers. nine0003

What about memory chips of other standards?

There are fewer reasons for optimism here than in the case of DDR5. Memory, from DDR2 to DDR4, has risen in price throughout the year. Chips that are used in specific devices or have a small volume have especially succeeded in this. So, DDR3 with a capacity of 4 GB became more expensive immediately by 8.93%.

Last year, the cost of, for example, DDR4 with a capacity of 8 GB increased, but only by 4%. 4GB DDR4 RAM costs 6.6% more. DDR2 1 GB in price has risen to a record high (yes, they are still being produced) — by 10.1% in just a month. nine0003

Some companies even began to resume the production of morally outdated chips, the cost of which has increased the most. For example, Nanya and Powerchip Semiconductor Manufacturing Corp (PSMC) from Taiwan decided to convert part of the production to the production of DDR3 modules.

And Winbond, which supplies the vast majority of BIOS chips to the market, has also started building a spin-off facility to produce DRAM chips.

Future prospects

At the moment, processors from Intel are the only chips that support DDR5. When AMD catches up in this regard, the demand for new standard memory strips will increase even more. Nevertheless, memory is being actively produced and supplied to the market right now, so that the moment the demand starts to grow rapidly, the demand will most likely be met.

In general, we would like to hope that the current dynamics of prices for memory strips is the first sign of an improvement in the situation on the semiconductor market. The current dynamics, of course, can change dramatically tomorrow. But still, there is hope for an improvement in the situation, and not illusory, but quite real. nine0003

DDR5 Memory Standard: Understanding the New Generation of DRAM

Technology

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Oct 2021

• DDR5

• Memory

• Games

Blog Home

DDR5 memory overview

DDR5 is the 5th generation of Double Data Rate Synchronous Dynamic Random Access Memory, also known as DDR5 SDRAM. Development began in 2017 by industry standards organization JEDEC (Joint Electronics Engineering Council) with input from the world’s leading suppliers of semiconductor memory and chipset architectures, including Kingston. DDR5 memory delivers new features to improve performance, reduce power consumption, and improve data integrity for the computing systems of the next decade. DDR5 memory introduced in 2021

Higher initial speed

DDR5 initial frequency is 4800 MT/s ^* , while DDR4 provides a maximum of 3200 MT/s, i.e. throughput is increased by 50%. DDR5 performance is planned to scale up to 6400 MT/s in line with compute platform releases.

Reduced power consumption and increased efficiency

Running at 1.1V, DDR5 memory consumes approximately 20% less power than equivalent DDR4 modules running at 1.2V. provides a significant advantage for corporate servers running around the clock. nine0003

Built-in Power Management Chip (PMIC)

DDR5 modules have built-in Power Management Chips (PMICs) that help regulate the power required by various memory module components (DRAM, register, SPD hub, etc.). PMIC uses 12V for server class modules and 5V for PC class modules. This provides better power distribution than previous generations, improves signal integrity and reduces noise. nine0003

SPD Hub

DDR5 uses a new device that combines Serial Memory Module Identification (SPD) Non-Volatile Memory (EEPROM) with additional hub functionality, controls access to an external controller, and separates the load on the internal memory bus from the external one.

Two 32-bit subchannels

DDR5 splits the memory module into two independent 32-bit addressable subchannels to improve efficiency and reduce data access latency for the memory controller. The data width of a DDR5 module is still 64 bits, but the split into two 32-bit addressable channels improves overall performance. For server grade memory (RDIMM), 8 bits are added to each subchannel to support the ECC function. The result is 40 bits per subchannel, or 80 bits per memory rank. Dual rank modules have four 32-bit subchannels. nine0003

Module key

The cutout in the center of the module acts as a key to match DDR5 slots to prevent installation of DDR4, DDR3 or other unsupported module types. Unlike DDR4, DDR5 module keys differ for different module types: UDIMM and RDIMM

On-Die ECC

On-Die ECC (Error Correction Code) is a new feature designed to correct bit errors in the DRAM chip. As the density of DRAM chips increases by reducing lithography on the wafers, the potential for data leakage increases. On-Die ECC Error Detection and Correction reduces this risk by correcting errors in the chip, improving reliability and reducing defects. This technology cannot correct off-chip errors or errors that occur on the bus between the module and the memory controller in the CPU. ECC-enabled processors for servers and workstations have an encoding that can correct single or multi-bit errors on the fly. Additional bits of DRAM that are present in ECC-class memory modules, such as unbuffered ECC modules, register modules, and load-reduced modules, must be available to perform this patch. nine0003

Additional temperature sensors

Added temperature sensors at the ends of Server-Grade DDR5 RDIMMs and LRDIMMs to monitor thermal conditions along the entire length of the DIMM. This allows for more precise control of system cooling, as opposed to clock throttling for overheating protection used in DDR4 at high temperatures.

Increased number of memory blanks and serial queue length

Doubled the number of memory blocks in DDR5 (from 16 to 32). This allows you to open more pages at the same time, increasing efficiency. The minimum serial queue length has also been doubled to 16 compared to 8 for DDR4. This improves the efficiency of the data bus by allowing twice as much data to be transferred across it, and therefore reduces the number of read/write operations required to access the same cache data line. nine0003

Improved updates

DDR5 adds a new command, SAME-BANK Refresh, which allows you to refresh only one memory bank per bank group, not all banks. Compared to DDR4, this command further improves the performance and efficiency of DDR5 memory.

Decision Feedback Equalization (DFE)

DDR5 memory modules use Decision Feedback Equalization (DFE) to provide stable and reliable signal integrity in the module, which is required for high throughput. nine0003

Form Factors

Although similar to DDR4, these memory modules have been significantly modified to be incompatible with legacy systems. The location of the key (notch in the center) has been moved to prevent the module from being installed in incompatible slots.

• DIMM: 288 pins
• SODIMM: 262 pins
• Registered DIMMs
• Load Reduced DIMMs
• Unbuffered DIMMs with ECC
• Unbuffered SODIMMs with ECC
• Non-ECC Unbuffered DIMMs
• Non-ECC Unbuffered SODIMMs

• JEDEC Industry Standard Specifications

Transfer rate (speed in MT/s)	4000, 4400, 4800, 5200, 5600, 6000, 6400 MT/s
DRAM chip density (Gbps)	8 Gb, 16 Gb, 24 Gb, 32 Gb, 48 Gb, 64 Gb
Package type and format (x4, x8 / x16)	BGA, 3DS TSV (78, 82 / 102)
Interface
Voltage (VDD / VDDQ / VPP)	1. On 28 января, 2023 By alexxlab Sonstig