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NVIDIA's China-only GeForce RTX 4090D Launched with Fewer Shaders than Regular RTX 4090

btarunr

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NVIDIA today formally launched the China-specific GeForce RTX 4090D graphics card for gaming and creator applications, after it was banned this October by the United States Federal Trade Commission from exporting the RTX 4090 (among other AI GPUs) to China. The RTX 4090D comes with a reduced AI inference performance than the RTX 4090 to comply with the US-FTC limits, and measures are put in place to prevent end-users from modifying it into a regular RTX 4090. Besides firmware and driver-level performance limiters, the card gets a completely different ASIC code, a different device ID (which prevents BIOS transplants from the RTX 4090); and a different core-configuration of the 5 nm "AD102" silicon itself.

The "AD102" silicon physically has 72 TPCs (144 SM), from which NVIDIA carved out the original RTX 4090 by enabling 64 TPCs (128 SM). The new RTX 4090D only gets 57 TPCs (114 SM), which reduces the counts of the CUDA cores, Tensor cores, and RT cores. While the original RTX 4090 has 16,384 CUDA cores, 512 Tensor cores, and 128 RT cores; the new RTX 4090D is configured with 14,592 CUDA cores, 456 Tensor cores, and 114 RT cores. The GPU clocks are the same, both boost up to 2.52 GHz, although the power limits are reduced, with the TGP lowered by 25 W. The memory sub-system appears untouched. We are also hearing that overclocking of the RTX 4090D will be limited, with lower slider limits—all to prevent end-users from regaining AI inference performance levels comparable to an RTX 4090. NVIDIA is pricing the RTX 4090D at a baseline price of RMB ¥12,999 ($1,840), which was the launch price of the original RTX 4090 in China, before it was scalped out of existence there.



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Wow, almost 1/8 less compared to the original, but for the same price. What a deal!
 
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We still take it!

Screenshot 2023-12-28 123043.png
 
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it doesn't matter, 4090 scales very badly as it is. 2.75 more Cuda core and only 2.1x faster than a 4070. the above 12288 Cuda / 128 ROps is useless almost.

512 tensor *8*1,29 ~~5283 tpp (total processing performance)
456 tensor *8*1,29 ~~4700 tpp to avoid the 4800 limitation.
 
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This looks like the 4080Ti we should get.
 
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Can't they just grey import the full 4090 in to China from any surrounding country anyway..? Russians been doing the same..?
 
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it doesn't matter, 4090 scales very badly as it is. 2.75 more Cuda core and only 2.1x faster than a 4070. the above 12288 Cuda / 128 ROps is useless almost.

512 tensor *8*1,29 ~~5283 tpp (total processing performance)
456 tensor *8*1,29 ~~4700 tpp to avoid the 4800 limitation.
yeah, because the a cpu bottleneck to it after that.
 
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They've just invented 4080Super..
 
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It's defective AD102 chip which found it's way to the market and not being thrown away. I mean nothing wrong, but kinda not great naming.
 
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Look how desperate Nvidia is to supply rival nations with GPU's rather than focus on consumers. Makes sense. Jensen's all bout that money and nothing else.
 
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No company is any different, they all want to make money...
It's not so much about money really, more about painting a pretty share-rise picture. Shares system is not a good one, there's too much waste and with all that money none for the poor.
Will be interesting to see what the regulators say.... probably nothing as they are most likely bought and payed for too.
 

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No it’s about money. Look how fast they were able to add to their lineup. Corporate scumbaggery at its finest.
 

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No it’s about money. Look how fast they were able to add to their lineup. Corporate scumbaggery at its finest.
Truer words have never been spoken and leave it to nVidia to be leading the charge. Definitely par for the course, that's for sure. Not to say that it's exclusively a nVidia problem, but they seem to be extra good at playing the "corporate scumbaggery" game.
 
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This looks like the 4080Ti we should get.
You mean for the same disgusting MSRP as for the real 4090? Nvidia is greedy. Not dumb :D

Offer all their defective AD102 dies for China will bring more profits than use them for 4080Ti's. nvidia will have their overpriced 4080 Super for the former xx80Ti gamers. See it this way.... Modern times now. xx80 Ti gamers has to accept Titan prices forwards if they want something better than xx80/Super cards. This is big huge win for Nvidia.
 
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Just goes to show how shit the United States Federal Trade Commission is at banning things.
 
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Is this supposed to be the rumored 4080Ti ?
 
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dragon edition in short D.
Not 4080 ti. More like 4080 ti super but at the price of 4090. Lol
 
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Depends on how many defective AD102 dies nvidia have left after feeding China with server chips.

That is a close enough gap to be considered identical in the product stack.
 
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Depends on how many defective AD102 dies nvidia have left after feeding China with server chips.

This configuration has only 79.2% of AD102's compute units enabled, and if the memory subsystem is unchanged from the original 4090, 75% of its cache slices enabled, while keeping roughly the same TGP level. They're already using about as crap dies as they can with these cards.
 
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Good ol' Huang, cut performance, and keep full phat pricing.

Being fair the sole reason this exists is that the U.S. Government is throwing a temper tantrum over the 4090's exceptional performance
 

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Being fair the sole reason this exists is that the U.S. Government is throwing a temper tantrum over the 4090's exceptional performance

Not really an accurate assessment. I recall the Playstation 2 being export restricted by Japan because of it's tech. It's not a temper tantrum by the US, it's a reaction to the output performance of a technology component, which can be used for HPC purposes outside of it's 'intended' remit.
 
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Oh, 4080 Ti? Is that you? =)
 
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