Micron unveils HBMnext, the successor to HBM2e for next-next-gen GPUs

Micron unveils next generation HBMnext memory, which we thought would've been HBM3 -- with a huge 3.2Gbps of bandwidth on tap.

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Micron just finished outing NVIDIA's not-yet-announced GeForce RTX 3090 graphics card, which we now know packs 12GB of ultra-fast GDDR6X memory at 21Gbps.

Micron unveils HBMnext, the successor to HBM2e for next-next-gen GPUs 13
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But they weren't finished with their surprise announcement of the new GDDR6X standard, where Micron has now just announced the development of its next generation memory standard: HBMnext. The new HBMnext memory is most likely what HBM3 was meant to be, but possibly with a new name.

Our friends at VideoCardz report: "Micron expects to produce JEDEC-compliant HBMnext memory in 4-stack 8Gb and 8-stack 16Gb densities. The manufacturer also revealed that the data rate is expected at 3.2 Gb/s. For comparison, the NVIDIA A100 accelerator based on HBM2e technology has a bandwidth of 2.4 Gbps, while AMD Radeon VII based on HBM2 features 2.0 Gbps data rates".

  • HBM2: 2.4Gbps
  • HBM2e: 2.0Gbps
  • HBMnext: 3.2Gbps

The company expects to see HBMnext on next-generation graphics cards sometime towards the end of 2022.