Panzerlied, a well-known whistleblower on the Chiphell computer technology forum, recently revealed that the RTX 5090D hardware specially made by NVIDIA to avoid chip sanctions is no different from the standard clock speed version, so there will be no difference in game performance. In addition, according to NVIDIA last year, the “D” of RTD 4090D stands for Dragon. , because the next day is already the year of the snake.
▲ Image source:Chippell
The RTX 5090 and RTX 5090D are said to have the same GPU specifications, that is, they also have a clock speed of 2.9 Ghz, 21,760 CUDA cores and 32 GB GDDR7 memory The reason that the RTX 5090 and RTX 5090D are separated because they must be identified by different inventories (Holding Unit Stock, SKU) to technically and legally identify the two versions. NVIDIA may use hardware locks to meet TPP restrictions. NVIDIA has previously used Low Hash Rate (LHR) locks to prevent cryptocurrency miners from using graphics cards for mining.
▲ Panzeled also said that there will be no frequency difference between 5090 and 5090D.
Image source:Chippell
It is still not clear how NVIDIA will blast the RTX 5090D to make it difficult to use for AI tasks, but according to “digital trends” estimates, NVIDIA will start from the BIOS and reduce the AI acceleration performance of the D version by ‘ limit the basic Tensor performance, but in this way that affects the operation of DLSS 3, thus reducing game performance.
The United States has banned NVIDIA’s exports of high-end chips such as A100 and H100 to China as early as 2022. In 2023, the US Bureau of Industry and Security (BIS) updated chip export restrictions to include the high-end RTX graphics card. 4090 in restricted export list. NVIDIA, the leading semiconductor manufacturer, launched a “castrated version” of the RTX 4090D, reducing the product specifications in order to export the chips to China. Due to the sudden ban, NVIDIA could only “explode” the RTX 4090 by reducing the CUDA cores and strongly reducing power consumption to meet export conditions.
Images and data sources:Chippell、Video card、Igorslab、Digital trends
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2024-11-27 14:31:00
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