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H100 vs B300 Blackwell Ultra vs B200

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GPU & AI Chips · verified 13 Aug 2026

×H100NVIDIAcurrent
×B300 Blackwell UltraNVIDIAcurrent
×B200NVIDIAcurrent
2 slots left
SpecificationH100B300 Blackwell UltraB200
SummaryThe workhorse of the previous generation.15 PFLOPS dense FP4.The current volume Blackwell part.
Memory80GB HBM3288GB HBM3e192GB HBM3e
Bandwidth—8 TB/s—
Price$25–40K~$40–50K (verify)$30–50K
VendorNVIDIANVIDIANVIDIA
CategoryGPU & AI ChipsGPU & AI ChipsGPU & AI Chips
OfficialNVIDIA ↗NVIDIA ↗NVIDIA ↗

Highlighted rows are where these differ.

H100

The workhorse of the previous generation.

Best for value.

Full spec sheet →

B300 Blackwell Ultra

  • 8 TB/s memory bandwidth
  • Per-GPU pricing widely misquoted — one source cites rack pricing

Best for frontier training.

Full spec sheet →

B200

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

Best for general training.

Full spec sheet →