B300

Name: NVIDIA B300
Brand: NVIDIA

by NVIDIA · Released Oct 2025 · Blackwell Ultra

FrontierGPUN4P · TSMCFlagship

Gecko score

1.79 TFLOPs/W

Demand AICDI

Memory

288 GB

HBM3e

Bandwidth

8 TB/s

TDP

1400 W

Process

N4P

TSMC

FP16

2,500 T

FP8

5,000 T

Perf / Watt

1.79 T/W

Gecko Score

Announced

2024-10-15

Available

2025-10-01

List price

$55,000

Cloud $/h

—

Fabricated at

TSMC

N4P · 0.0B transistors · 1600 mm²

Memory generation

HBM3e · 288 GB

8 TB/s · 12 stacks · supplied by SK hynix, Micron

Performance envelope

FP precision matrix · manufacturer datasheet values

FP16 dense TFLOPs	2,500
BF16 dense TFLOPs	2,500
FP8 dense TFLOPs	5,000
FP4 dense TFLOPs	15,000
INT8 TOPs	5,000
Memory bandwidth (TB/s)	8
TDP (Watts)	1,400
FP16 TFLOPs per Watt	1.79

Models trained or served

Known to ship on this chip

Browse all models

Rack systems

Where this chip ships at scale

nvl72-ultra

Datacenters

Deployed clusters tracked by BenchGecko

Browse energy + datacenters

Generation lineage

What came before · what comes next

Predecessor

B200

192GB HBM3e · 1000W · 2024

Geography

HQ and fab locations · feeds /countries

HQ country

USA · California

Fab locations

Taiwan

Supply signal

Hand-curated · the same feed powering the AI Compute Demand Index

Live supply tightness for B300 is tracked on the Chip Demand Ladder and rolls up into the AI Compute Demand Index. Updated weekly from hyperscaler order books, earnings calls, and secondary-market signals.