H100 vs MI400 vs Ascend 950DT

Pyyan / Compare / H100 vs MI400 vs Ascend 950DT

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GPU & AI Chips · verified 24 Sept 2026

×H100NVIDIAcurrent

×MI400AMDcurrent

×HAscend 950DTHuaweicurrent

Specification	H100	MI400	Ascend 950DT
Summary	The workhorse of the previous generation.	Double NVIDIA's memory capacity.	144GB on Huawei's own HBM, and the part China is building gigawatts around.
Memory	80GB HBM3	432GB HBM4	144GB HiZQ 2.0
Bandwidth	—	19.6 TB/s	4 TB/s
Price	$25–40K	—	Above ¥250,000 (about $37K), reported
Vendor	NVIDIA	AMD	Huawei
Category	GPU & AI Chips	GPU & AI Chips	GPU & AI Chips
Official	NVIDIA ↗	AMD ↗	Huawei ↗

Highlighted rows are where these differ.

The workhorse of the previous generation.

Best for value.

Best for large-model inference.

4 TB/s memory bandwidth and a 2 TB/s interconnect, 2.5x the Ascend 910C
HiZQ 2.0 is Huawei's own memory standard rather than a licensed HBM3 or HBM3e part
Indicated price rose 20% to 50% in two months to September 2026, on a memory shortage
Successor Ascend 960DT pulled forward to Q1 2027, Huawei said on 17 September

Best for serving models where Nvidia cannot be bought.