Mentioning “LPDDR”, digital hardware enthusiasts are likely very familiar with it. Generally, it refers to the RAM of mobile phones (and other small mobile devices), which is highly sensitive to power consumption. Its development direction is to continuously improve performance and reduce power consumption.
Currently, the latest mainstream version of LPDDR is LPDDR5 (6.4Gbps), released in February 2019. It has been on the market for five years now. In the years following, the industry has successively released slightly updated and improved versions of LPDDR5X (8.5Gbps) and LPDDR5T (9.6Gbps).
To be fair, the performance of the LPDDR5 series is already very strong, but technological development is always advancing, and the performance requirements of various emerging AI applications are increasing. Therefore, LPDDR must continually innovate and upgrade to meet market demand.
Recently, some related documents from the JEDEC organization were leaked, revealing some information about the next-generation LPDDR6 and DDR6, which can be referred to.
When it comes to LPDDR6, the most noteworthy aspect is its performance. How much improvement does it have over the previous generation? For this question, the JEDEC organization has not officially confirmed it yet, but it is likely to be between 10.667Gbps and 14.400Gbps.
Even calculating at the lowest 10.7Gbps, LPDDR6’s performance improves by 67% compared to LPDDR5 and by 11% compared to LPDDR5T. To be fair, the performance improvement is significant and far from negligible.
Besides performance, the power consumption of LPDDR6 is also very noteworthy, but currently, there is no concrete information available in this regard.
Additionally, there are some revelations about DDR6 memory. Currently, the operating frequency of DDR5 memory continues to climb, with mainstream models already exceeding 7000 MHz. Many might be very interested in knowing the official maximum operating frequency of DDR5 memory and the starting operating frequency of DDR6 memory.
Regarding this question, there is no definite answer yet because the DDR6 standard has not been released and is still in the early stages of standard formulation. It is expected that the operating frequency of DDR6 memory will be between 8800Gbps and 17600Gbps (or 21000Gbps).
The JEDEC organization is expected to release the draft of the DDR6 memory specification later this year and complete it by the second quarter of next year.
Please note: The above content is all sourced from early leaked drafts by the JEDEC organization, and all specification indicators are not yet fully determined. Therefore, changes may occur in the future. The above content is for reference only, and the editor will share more relevant updates and revelations as soon as possible, so stay tuned.
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