Pyyan / Compare / MI400 vs B200

MI400 vs B200

2 of 5

GPU & AI Chips · verified 13 Aug 2026

MI400AMDcurrent
B200NVIDIAcurrent
3 slots left
SpecificationMI400B200
SummaryDouble NVIDIA's memory capacity.The current volume Blackwell part.
Memory432GB HBM4192GB HBM3e
Bandwidth19.6 TB/s
Price$30–50K
VendorAMDNVIDIA
CategoryGPU & AI ChipsGPU & AI Chips
OfficialAMDNVIDIA

Highlighted rows are where these differ.

MI400

  • 19.6 TB/s bandwidth
  • 40 PFLOPS FP4
  • $7.2B in commitments

Best for large-model inference.

Full spec sheet →

B200

  • Sold out through mid-2026
  • ~3.6M unit backlog

Best for general training.

Full spec sheet →