July 2, 2022

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AMD could develop Navi 3x with 16,384 shaders

AMD could develop Navi 3x with 16,384 shaders

by David Posted on June 21, 2022, 17:45:00
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AMD recently brought up some interesting tidbits about its upcoming Radeon 7000 and the Navi 3x chipset it’ll be using. Multiple chipsets will be wrapped in each GPU and will provide a 50% increase in performance per watt over the Radeon 6000. Looking at the consumption, it represents a 33% decrease at the same power, so the RX 6900 XT with 5120 shaders will consume about 200 watts, to approximate it. Now there are rumors of a Navi 3x GPU that would include more than three times the number of shaders.

Those will be 16,384 shaders, which would be hard to fathom what AMD said because it would put graphics card consumption at 600W. Turn the donkey into wheat. The cooling needed to cool this graphics card would be massive, more than what’s used in the RTX 3090 Ti, or go directly to three-fan integrated liquid-cooled designs. I see it’s not applicable, but you never know.

Likewise, consumption could be somewhat better than what AMD said and be around 500-550 watts, like some RTX 3090 Ti, or that AMD resorted to using a Navi 3x GPU that is made at 4nm instead of 5nm. In this case, changing the lithography could result in it consuming more than 500 watts with the clock running at much lower frequencies. Assuming improved lithography and lower frequencies, there is a remote possibility that this is possible.

It won’t arrive until 2023 and they are raising questions about the direction of this GPU because it might be for professional use. It won’t be usable as a PCIe card in a rack, but it can be sold in other server graphics card formats that include huge heatsinks and can handle the 600 and 700 watts of the graphics card without a problem.

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