NVIDIA GeForce RTX 5090 Could Feature 28GB of Memory on a 448-bit Memory Interface

We have been hearing about the development of the GeForce RTX 50 series, NVIDIA’s next generation of GPUs, since last year. Now, in recent news, it seems like things are finally getting clearer.

We finally have a bit of information about the memory of one of the high-end cards in this series. The GeForce RTX 50 series could possibly debut in 2025.

A recent leak by a credible source shows that the GeForce RTX 5090 will feature 448-bit GDDR7 memory. While this is an upgrade from the 384-bit memory interface of the GeForce RTX 4090, it will still not utilize the full 512-bit memory bus provided by the new and upcoming GB202 processor.

The GB202, for context, refers to the flagship processor of the GeForce RTX 50 series. It is based on the Blackwell GPU microarchitecture developed by NVIDIA. In fact, Blackwell made its first appearance just this year.

448-bit Memory Interface
Source: Chiphell Forums

The GeForce RTX 4090 featured 24GB of GDDR6X virtual memory for further comparison. Its successor, the GeForce RTX 5090, will come with 28GB of GDDR7 memory. Also, since NVIDIA is not using the GB202 processor to its full potential, it leaves room for more expensive graphics cards that the tech giant may release later.

While no information suggests such, these more expensive GPUs could be from the Titan (RTX 5090 Ti) or Super series (RTX 5090 Super). In addition to that, these higher-end GPUs may also feature a larger virtual memory (possibly 32GB) with more CUDA cores.

Since the GeForce RTX 5090 will come with a larger 448-bit memory interface, it will also increase the memory bandwidth. We can expect an improvement of around 50% from the GeForce RTX 4090. That puts the number to over 1500GB/s, considering the latter had a memory bandwidth of 1008GB/s.

As per a report from April, NVIDIA may launch their GeForce RTX 5090 by the end of this year. The RTX 5080 could catch up in the following few weeks. The rest of the cards in the series may show up later on. It is possible that NVIDIA will discuss this at the CES event next year. Things will surely get clearer as this year comes to an end.

As for the price of the RTX 5090, there are many speculations. A fair guess would be that NVIDIA will increase the price slightly from the RTX 4090 and keep it at $1699. The RTX 4090 came out for $1599. However, this is still just a speculation, so take it with a pinch of salt.

Zaid is a tech writer at DealNTech, passionate about exploring and researching new gadgets and helping readers easily understand their features. He specializes in testing PC issues and staying up-to-date on the latest PC news. Email: [email protected].

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