NVIDIA B30A vs NVIDIA GB300 NVL72 GPU 288GB

Side-by-side specifications, performance, and rental pricing for datacenter AI workloads.

B30A: Blackwell Ultra, 2025 GB300: Blackwell Ultra, 2025
See rental pricing from $5.32/hr Download comparison sheet

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NVIDIA B30A vs NVIDIA GB300 NVL72 GPU 288GB

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Specifications

B30A
GB300
Architecture
Blackwell UltraBlackwell Ultra
Launch Year
20252025
Form Factor
—SXM
Memory
—288 GB
Memory Bandwidth
—8.0 TB/s
TDP
——
Process Node
—4nm

Performance (TFLOPS)

B30A
GB300
FP64
No verified data available1.4 TFLOPS
FP32
No verified data available83 TFLOPS
TF32
No verified data available1,250 TFLOPS
2,500 TFLOPS sparse
BF16
No verified data available2,500 TFLOPS
5,000 TFLOPS sparse
FP16
No verified data available2,500 TFLOPS
5,000 TFLOPS sparse
FP8
No verified data available5,000 TFLOPS
10,000 TFLOPS sparse
FP6
No verified data available5,000 TFLOPS
10,000 TFLOPS sparse
FP4
No verified data available15,000 TFLOPS
20,000 TFLOPS sparse
INT8
No verified data available165 TOPS
330 TOPS sparse

FLOPS by Precision

What actually differs

Both GPUs launched in 2025: the B30A on Blackwell Ultra and the GB300 on Blackwell Ultra.

For LLM training and inference, weight the FP8 and FP16 rows and memory capacity most heavily. For scientific and HPC workloads, the FP64 row is the one to read.

Frequently asked questions

Can I rent the B30A or the GB300 in the cloud?

Yes. Live cloud listings tracked by Flopper start at $5.32 per GPU hour. The rental pricing section on this page lists current providers and rates for both GPUs.

Where to Rent

NVIDIA GB300 NVL72 GPU 288GB

ProviderConfigurationPrice/GPU-hrChecked
2× GB300 NVL72 GPU Spot $5.32 3h ago View →
1× GB300 NVL72 GPU $10.63 3h ago View →
1× GB300 NVL72 GPU $18.00 3h ago View →
All GB300 listings and price history →

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