NVIDIA GB300 NVL72 vs NVIDIA HGX B300
Every normalized spec, side by side. Rows where the two products differ are highlighted.
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Highlighted rows differ across the selected products. Vendors publish different spec fields, so blank cells are common. A blank cell means the field is absent from that vendor's datasheet, not necessarily from the product.
| Attribute | NVIDIAGB300 NVL72 | NVIDIAHGX B300 |
|---|---|---|
| Overview | ||
| Product family | NVIDIA Blackwell Ultra | NVIDIA Blackwell Ultra |
| SKU | GB300 NVL72 | HGX B300 |
| Other | ||
| Fp32 Tflops | 80 | 75 |
| Fp16 Bf16 Tflops Dense | 2500 | 2250 |
| Fp16 Bf16 Tflops Sparse | 5000 | 4500 |
| Fp8 Tflops Dense | 5000 | 4500 |
| Int8 Tops Dense | 165 | 153.5 |
| Gpu Memory Gb | 279 | 270 |
| Memory Type | HBM3E | HBM3E |
| Memory Bandwidth Tb S | 8 | 7.7 |
| Tdp W | 1400 | 1100 |
| Interconnect | Fifth-Generation NVLink: 1.8 TB/s; PCIe Gen6: 256 GB/s | Fifth-Generation NVLink: 1.8 TB/s; PCIe Gen6: 256 GB/s |
| Fp4 Tflops Dense | ||
| Fp4 Tflops Sparse | ||
| Fp64 Tflops | ||
| Fp8 Tflops Sparse | ||
| Int8 Tops Sparse | ||
| Media Engines | ||
| Product Name | ||
| System Total Memory Gb | ||
| Tf32 Tflops Dense | ||
| Tf32 Tflops Sparse | ||