According to the rumor mill, the next generation of video cards from Nvidia will consume considerably more power. Moore’s Law Is Dead and Igor’s Lab, among others, claim that the alleged RTX 4090 would have a tbp of 600 watts, which is a third more than the 450 W of the RTX 3090 Ti. In some cases there is even talk of no less than 850 watts, although this seemed rather unlikely until now.
According to Kopite7kimi, Nvidia is actually experimenting with a high-end AD102-based video card, which would consume no less than 900 watts. This test version is said to come with 48 GB of 24 Gbps memory and two 12VHPWR power plugs. Given the large amount of gddr6x, it is possible that team green wants to introduce Titan cards again. The leaker does add that it is not a certainty that Nvidia will bring this model on the market.
In addition, Kopite7kimi has shared more information about the RTX 4080 and 4070. The former would use the AD103 chip with 16 GB gddr6x, while its smaller brother combines the AD104 GPU with 12 GB gddr6 and a power consumption of 300 watts. In the case of the RTX 4080, the Twitter user mentions a similar tgp as the Ampere-based GA102. Presumably this refers to the RTX 3090 Ti, which uses the fully enabled GA102 GPU and has a tbp of 450 watts.
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