Innosilicon’s low-power LPDDR5X memory reaches an incredible 10,000 Mbps

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Chinese DRAM manufacturer Innosilicon has achieved a milestone with a transfer rate of 10,000 Mbps on its latest LPDDR5X memory chips. Although this is just a demonstration for now, it gives us a glimpse into the future of DRAM technology. (via My Drivers (opens in a new tab))

LPDDR5X is an evolutionary improvement over LPDDR5. It has an official JEDEC approved speed of up to 8533 Mbps or 4267 MT/s. Innosilicon memory is even faster at an effective speed of 5000 MT/s. This would provide up to 80 GB/s of bandwidth. The high-performance LPDDR5X will find its way into flagship smartphones and AR/VR devices.

AI and machine learning are applications that could really benefit from using faster memory. Using a self-driving car for example, 10,000 Mbps memory would allow the system to access more data or process more simultaneous images. Not that I’m too eager to give up control of my car. I can’t get used to thinking about it!

It is important to note that DDR5 and LPDDR5/X are significantly different from each other. The LPDDR5X is designed for use in low power devices. DDR5, on the other hand, features a higher bit width, offering much more bandwidth for a given “speed”. So while the LPDDR5X is fast, compared to a typical higher-density PC-based DDR5 kit, the LPDDR5X is actually slower.

Innosilicon 10,000Mbps LPDDR5X Demo

(Image credit: Innosilicon)

But not all performance is what LPDDR5X is all about. Its priority is low power consumption for use with mobile devices. That said, Apple’s M1 Pro SoC with LPDDR4X delivered up to 408GB/s of bandwidth through a wide bus, so an M2 device with faster LPDDR5X doubling that’s not outside the realm of the possible.

10,000 Mbps speeds like this are a good sign of things to come. You know it won’t be the end though. Competitors like Samsung and Micron are surely working hard to develop their own faster LPDDR5X. And before you know it, LPDDR6 will be here.

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