The flagship graphics cards of recent generations have been trending upwards in maximum power consumption. The RTX 4090 can pull more than 450W, the RTX 3090 Ti could do the same, while AMD's RX 7900 XTX is rated for 355W. Factory overclocked models are typically a bit higher than that. But those are rookie numbers. It's been reported that Nvidia's next generation GB200 AI accelerator can pull up to 1,000W.
The source of the 1,000W claim is a statement made by Dell COO Jeffrey Clarke during Dell's Q4 2024 earnings call (via The Register). He's as likely to be in the know as anyone, so this 1,000W claim is no mere rumor.
Clarke's actual quote is «Our characterization in the thermal side, you really don't need direct liquid cooling to get to the energy density of 1,000 watts per GPU. That happens next year with the B200.»
Note that he refers to the B200, but there's actually no B200 on Nvidia's roadmap. Its next generation flagship enterprise GPU is referred to as the B100. It's based on the Blackwell architecture. However, there is a GB200, which combines the B100 GPU with the Grace CPU. It's likely Clarke simply misspoke and is referring to the latter.
Datacenter GPUs are very different beasts to consumer gaming GPUs, where things like fan speeds, physical size and power consumption are secondary considerations compared to outright performance. The GB200 is all about performance. The different variants of Blackwell based accelerators will eventually form the backbone of cloud AI systems in 2025 and beyond.
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By now, we all know how AI is big business. Nvidia is now the world's third largest company by market cap, recently overtaking Saudi based petro giant Aramco, leaving only Apple and Microsoft ahead of it. And it's catching them quickly, indicating demand
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