Micron boasts GDDR6, but no one knows why

The company’s press release (more precisely a novelty, as it was labeled “Micron’s press release” more than a year ago) about GDDR6 is strange. It is true that we sometimes come across a memory manufacturer’s statement in the style: “AMD / Nvidia has chosen our memories for a new generation of high-end graphics cards”, although such messages are not common. However, Micron announced that AMD will be using Micron’s memory on the Radeon RX 6000 from the fourth quarter. In addition, this announcement does not apply to the classic high-end, but to the RX 6600 and RX 6700 series.

Reports of such embossing are usually not omitted by memory manufacturers at all. This time, however, the new product from Micron also contains statements from Micron’s vice-president and senior manager, as well as quotes by Scott Herkelmann from AMD. It is therefore a format used for really large events, for example when establishing extensive cooperation between two large companies.

However, the format differs from the content, which is – sensu stricto – that GPUs of year-old architecture will receive memories from a third-party architecture in the middle of their life cycle, and nothing will change from the user’s point of view. The situation would be interesting if it were an announcement such as:

  • 18GHz GDDR6 for OC models of the high-end Radeon RX 6900 XT
  • announcement of cooperation in memory preparation for RDNA 3
  • exclusive memory supplies for a new model of graphics card, etc.
  • commencement of deliveries to a manufacturer with which it has not yet cooperated

In reality, however, the current Radeon RX 6000 relies mainly on Samsung’s GDDR6 (most RX 6900 XT, RX 6800 XT, RX 6800, RX 6700 XT, RX 6600 XT) and part on Hynix’s GDDR6 (Radeon RX 6600). At the same time, Micron AMD has been supplying GDDR6 for a long time, many models from the RX 5000 generation are equipped with them.

Some sources from Micron’s news cut the sentence (I will state it in the original version):

Select AMD Radeon RX 6000 Series graphics cards equipped with Micron GDDR6 memory, beginning with AMD Radeon RX 6600 Series and Radeon RX 6700 Series graphics cards, are expected to be available starting in Q4 2021.

From the statement that Radeon’s RX 6000 series with GDDR6 from Micron will be available in the fourth quarter (which has been running for a month) and references to “Radeon RX 6600 Series” (Radeon RX 6600 was released in October) and “Radeon RX 6700 Series” that Micron could point out that AMD will release the Radeon RX 6700, which will be (exclusively?) equipped with Micron’s memories. But there are no reports that AMD should release a Radeon RX 6700 (without XT) in the near future. The term “Series” can mean Micron Radeon RX 6700 XT.

The Radeon RX 6600 mentioned in October usually uses GDDR6 from Hynix

A bit strange is the fact that Micron speaks explicitly of 16Gb / s (16GHz) chips, while the Radeon RX 6600 released in the fourth quarter (which should be covered by Micron’s memory) uses only 14GHz chips.

I can think of the only possible explanation for the situation: There is indeed a closer collaboration that has yet to be announced, and the existing media coverage of Micron’s use of GDDR6 on Radeon RX 6000s is just a marketing by-product.


Source: Diit.cz by diit.cz.

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