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In context: Nvidia just lately rolled out the GeForce RTX 4090D and RTX 4080 Tremendous. The RTX 4090D hit the scene in December as a Chinese language sanctions-compliant variant with diminished core counts and decrease energy consumption versus the unique RTX 4090. The next month noticed the launch of the RTX 4080 Tremendous – a barely sooner RTX 4080 – that caught everybody’s consideration with its $999 worth level – a $200 low cost over its vanilla sibling.
The quantity of VRAM on these GPUs could already seem to be overkill, however some enterprising Chinese language modders determined to take issues to the subsequent stage. An AI fanatic stumbled upon two fascinating modded GPUs with twice the reminiscence over their originals. There is a GeForce RTX 4090D with an insane 48GB of VRAM and a 32GB RTX 4080 Super.
The mysterious SKUs are popping up for hire on AutoDL, a Chinese language cloud computing service that rents out servers for AI workloads. The worth proposition is nuts in the event you may even entry the service – it requires a Chinese language telephone quantity to enroll. AutoDL costs are greater than cheap at simply $0.03 per hour for the RTX 4080 Tremendous 32GB. The outrageous VRAM capacities of those modded playing cards may give them a big efficiency enhance for particular AI {and professional} workloads that thrive on graphics reminiscence.
It is true, and the pace is okay.
I checked it out.
It appears that evidently are 32g4080 and 48g4090 in China on the finish of June.
48g 4090 worth is about 2500$.ðÂÂÂ
Not less than it is cheaper than the A6000. https://t.co/K4koNUUMTm– �’é¾Â�-�… (@bdsqlsz) August 9, 2024
Doubling the reminiscence probably concerned some critical PCB re-engineering and never only a straight VRAM chip swap. The usual RTX 4090D has 24GB unfold throughout 12 GDDR6X modules, whereas the RTX 4080 holds 16GB throughout eight modules. Rising that twofold would require non-existent 4GB GDDR6X chips.
Because the tipster factors out, designing customized PCBs with VRAM modules mounted on each side is a extra believable answer. This modification would enable utilizing current 2GB GDDR6X chips whereas nonetheless reaching these lofty capacities.
The modded GPUs have been circulating in China since at the least late June. Pricing on the RTX 4090D 48GB is alleged to be round $2,500 – a premium over Nvidia’s official 12,999 yuan ($1,815) MSRP for the usual 24GB mannequin.
With AI changing into such a scorching commodity, there’s clearly demand for graphics playing cards with VRAM pushed to the acute. Whether or not common customers ought to care about stuff like that is one other story.
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