/Tech13h ago

Analysis says NVIDIA's upcoming Rubin GPU delivers 50 FP4 PFLOPS, outpacing Huawei's upcoming Ascend 950DT's 2 PFLOPS

Huawei may revise performance-precision scaling for the Ascend 970.

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@zephyr_z9 I kind of forgot Rubin is that OP in fp4 how did they even do this?

Zephyr@zephyr_z9

The gap is much larger on a FLOP basis Ascend is 2PFLOPS on fp4 while Rubin is 50PFLOPS FLOPS/W is 21 TFLOPS/W for Rubin, while it is less than 3 TFLOPS/W for Ascend 950DT

11:47 PM · Jun 9, 2026 · 1.7K Views
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Zephyr@zephyr_z9

@teortaxesTex Nothing tbh They will probably change it

@zephyr_z9 What stops Huawei from doing this? Even 970 is scheduled to have the old 1/x relationship between perf and precision.

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@zephyr_z9 What stops Huawei from doing this? Even 970 is scheduled to have the old 1/x relationship between perf and precision.

Zephyr@zephyr_z9

@teortaxesTex By gutting the fp32/fp64 ALUs and pumping up the numbers for fp4 ALUs

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