New rumors claim Nvidia's upcoming RTX 5090 is not going to be MCM, launch estimated by 2H 2024
Just last week, Kopite7kimi on X (Twitter) was revealing some new spec info for Nvidia’s upcoming RTX 5090 (Blackwell) flagship gaming GPUs, yet there were no updates on the release window or the chip design. Previous rumors mentioned that at least the high-end SKUs would get a multi-chip module (MCM) design and launch could happen in early 2025, but, according to another X user named AGF (@XpeaGPU), the launch should happen sooner than expected, and Nvidia may have reconsidered some design decisions.
In their latest message posted earlier this morning, AGF points out that the top gaming Blackwell GPUs will remain monolithic. Apparently Nvidia decided to ditch the MCM design with HBM3 VRAM planned for the high-end (RTX 5090) models, since Team Green is confident that AMD canceling the top SKUs for RDNA4 would not be able to match Blackwell even in monolithic form. The MCM design would have used TSMC’s latest CoWoS packaging, yet this will entirely be reserved to HPC / data center cards used mainly for AI applications.
AGF argues that an MCM design with 32 GB HBM3E VRAM could have brought the biggest generation-to-generation performance jump. Of course, knowing Nvidia, such SKUs will have ended up costing at least US$3,000. Additionally, in a post from September 18, AGF claims that the RTX 5000 GPUs are scheduled for a 2H 2024 release, and Kopite7kimi - another reputable tipster - directly replied that they also agree with this statement.
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