CES (Consumer Electronics Show) 2020 kicks of the year with a plethora of new product announcements. Most users are more interested in the latest laptops, desktops, smartphones, or smartwatches showcased at CES.
Micron’s DDR5 RDIMM announcement at CES 2020 was among the most significant for the IT industry.
DDR5 has significantly increased bandwidth over DDR4
At the moment, DDR4 is the industry standard DRAM. However, Micron confirmed at CES 2020 that it is sampling DDR5 (Double Data Rate 5) memory for select customers.
Thus, for the first time the newly emerging DRAM standard is becoming available for select Micron customers (with data center servers). The Senior Vice President at Micron stated:
Data center workloads will be increasingly challenged to extract value from the accelerating growth of data across virtually all applications. The key to enabling these workloads is higher-performance, denser, higher-quality memory. Micron‘s sampling of DDR5 RDIMMs represents a significant milestone, bringing the industry one step closer to unlocking the value in next-generation data-centric applications.
The Micron website includes a spec sheet that compares DDR4 with DDR5. That spec sheet shows that DDR5 has a 3200-6400 MT/s data rate compared with DDR4’s 1600-3200MT/s. DDR5’s better data rate enhances performance and bandwidth.
64 GB DDR5 sticks are now a reality
Another important difference between DDR5 and DDR4 lies in their device densities. DDR4’s max device density is 16 GB, which means it can have a max 16 GB memory stick. DDR5’s max 64 GB device density is four times times that.
It is estimated that the new DDR5 will enhance memory performance by 85 percent. It is more energy efficient then DDR4, reduces BOM costs, enhances signalling for DQ/DQS pins, and also enhances DIMM signalling. Furthermore, DDR5 will reputedly have options for REFRESH and PRECHARGE commands.
At the moment, DDR5 is only becoming available for dataservers. It remains unclear exactly when consumer desktop and laptops will start to integrate DDR5 memory. However, it is only a matter of time before DDR5 DRAM starts to replace DDR4 for consumer devices.
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