Micron: Nvidia GeForce RTX 3090 will get 12GB of gddr6x memory

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Micron reports in a document that the upcoming GeForce RTX 3090 from Nvidia will be available in a version with 12GB gddr6x. That memory has a total bandwidth of 912 to 1008 GB / s.

Micron calls the RTX 3090 by name in the document and states that the video card will get gddr6x memory from 19 to 21Gbit / s for a total bandwidth of 912 to 1008GB / s. The document was noted by VideoCardz, which adds that the card can get a 384-bit memory bus and a clock speed of 2100MHz to achieve a bandwidth of over 1TB / s.

The site also reports that although Micron mentions the presence of 12GB of video memory, there are several rumors that speak of the presence of 16GB, 20GB and 22GB. Chances are Nvidia will announce its RTX 3000 line of video cards on September 1, with a GeForce livestream on that date.

Micron also discloses in the document that it is working on hbm2e memory, for accelerators that handle calculations for artificial intelligence. SK Hynix and Samsung are also working on this type of video memory, which will offer higher speeds than regular hbm2 memory. Hbm2e is yet to be published this year, but Micron is also working on hbmnext, which should be ready by the end of 2022.

Micron hbm2e SK Hynix hbm2e Samsung Flashbolt hbm2e
Capacity 16 / 32GB 16GB 16GB
Bandwidth per pin 3.2Gbit / s 3.6Gbit / s 3.2Gbit / s
Total bandwidth per stack 410GB / s 460GB / s 410GB / s
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