Nvidia may have found a new way to bypass GPU export restrictions

2 hours ago 3

The RTX 4090 graphics card sitting on a table with a dark green background.

Chinese gamers are expected to have limited access to Nvidia’s best graphics card due to strict export restrictions. However, Nvidia may have found a way around it without cutting down its flagship GPU. A new leak suggests that the RTX 5090D will have the same hardware specifications as the worldwide version, and the solution lies in firmware adjustments.

As a quick refresher, the “D” in RTX 5090D stands for “Dragon.” It marks GPUs made by Nvidia to bypass the export restrictions imposed by the U.S. on China which limit the sale of high-performance graphics processors. We first saw it appear in the RTX 4090D as a remedy for the fact that the base RTX 4090 exceeds the performance thresholds set by these regulations.

Initially, Nvidia adopted a simple approach and started selling the RTX 4090D as a cut-down RTX 4090, with fewer CUDA cores and a lower power consumption. As VideoCardz notes, they were also not supposed to be overclocked (although people found a way around that in the end). However, it’s easy to imagine that this wouldn’t have worked with the RTX 5090, which is said to be significantly more powerful than its predecessor.

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This brings us to today’s leak. As always, remember that we’re dealing with rumors and the following may not turn out to be true once the RTX 50-series hits the shelves.

MEGAsizeGPU

According to panzerlied, a leaker from the Chiphell forums, the RTX 5090 and the RTX 5090D will be one and the same in terms of specifications. Both will use the GB202 GPU without any hardware adjustments, but Nvidia will limit the AI performance of these GPUs in order to meet the regulations.

It’s unclear what kind of firmware changes Nvidia could add to make sure that the RTX 5090D won’t be quite as useful for AI workloads. One way to go about it would be to limit Tensor core performance, but this would also affect DLSS 3 capabilities. This might make the card much less worth buying for gamers when compared to the RTX 4090D, which, while cut-down, gets the full power of DLSS 3. Nvidia could also slice the card’s default power limit.

This reminds me of the lite hash rate (LHR) limiter versions of RTX 30-series cards. While the GPUs were the same on a hardware level, Nvidia attempted to make them less useful for cryptocurrency miners by including BIOS limiters. Crypto enthusiasts found their way around this pretty quickly, though — whether the same happens to the RTX 5090D remains to be seen.

Monica J. White

Monica is a computing writer at Digital Trends, focusing on PC hardware. Since joining the team in 2021, Monica has written…

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Three RTX 4080 cards sitting on a pink background.

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A hand grabbing MSI's RTX 4090 Suprim X.

As we're all counting down the days to a possible announcement of Nvidia's RTX 50-series, GPU brands are already looking ahead to what comes next. A new trademark filing with the Eurasian Economic Commission (EEC) reveals just how far ahead some manufacturers are thinking, because it mentions not just the Nvidia RTX 5090, but also an RTX 5090 Ti; there's even an RTX 6090 Ti. Still, it'll be a long while before we can count the RTX 60-series among the best graphics cards, so what is this all about?

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