In addition to the fact that DDR5 is a new technology and logically does not have as many production lines as the established DDR4, the production of a new generation of memory is struggling with the unavailability of components. Module manufacturers do not have enough power management chips (PMICs). DDR4 circuits cannot be used. As a result, PMICs for DDR5 are currently at least 10 times more expensive and very difficult to access. It takes at least 35 weeks to process orders from submission to delivery. With such a cycle length, it cannot logically be expected that the situation could improve before Christmas or shortly after the New Year, for example.
From the user’s point of view, however, the unavailability of DDR5 may not be a major problem. For desktop processors Alder Lake current DDR4 is not the limit in terms of processor cores, nor is the integrated graphics fast enough for DDR4 to significantly hamper it. At the same time, they are significantly faster and more accessible, so when using them, the user does not lose anything in performance and, on the contrary, saves significantly on money.
For users who report with Alder Lake However, due to PCIe 5.0 × 16 slots, which in the future plans to install such fast PCIe 5.0 graphics that it could benefit from it in some way compared to PCIe 4.0, DDR5 are nevertheless important. This is because DDR4 does not reach the memory throughput, from which the throughput corresponding to PCIe 5.0 remains after deducting the demands of the processor cores. DDR5 is required for this. Otherwise, such a solution will make the same sense as when a double-track line between two train stations is extended to four-track by a few hundred meters. Theoretically, it has twice the transport capacity in a given section, but in practice double transport capacity cannot be achieved.
At the time of writing, we can find four DDR5 models from Kingston in the CZC offer (or two models, either one at a time or in packs of two), all with the note “in stock 0 pieces” and Alza offers two models from G. Skill, both with the note “we are looking forward”. In the meantime, we can be comforted that the situation will be resolved in the near future. The next generation of laptops is to stand on DDR5, where the presence of these memories will be – with regard to more powerful mobile integrated graphics – much more fundamental.
Source: Diit.cz by diit.cz.
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