Product Compare
NVIDIA H200 NVL vs NVIDIA B300
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Nov 2024 | Sep 2025 |
| Generation | Server Hopper | Server Blackwell |
| Type | AI GPU | Desktop |
| Bus Interface | PCIe 5.0 x16 | PCIe 5.0 x16 |
| Clock Speeds | ||
| Base Clock | 1365 MHz | 1665 MHz |
| Boost Clock | 1785 MHz | 2032 MHz |
| Memory Clock | 1593 MHz | 2000 MHz |
| Memory | ||
| Memory Size | 141GB | 144GB |
| Memory Type | HBM3e | HBM3e |
| Memory Bus | 6144bit | 4096bit |
| Bandwidth | 4.89TB/s | 4.10TB/s |
| Render Config | ||
| SM Count | 132 | 148 |
| Shading Units | 16896 | 18944 |
| TMUs | 528 | 592 |
| ROPs | 24 | 24 |
| Tensor Cores | 528 | 592 |
| L1 Cache | 256 KB (per SM) | 256 KB (per SM) |
| L2 Cache | 50 MB | 50 MB |
| Theoretical Performance | ||
| Pixel Rate | 42.84 GPixel/s | 48.77 GPixel/s |
| Texture Rate | 942.5 GTexel/s | 1202.9 GTexel/s |
| FP16 (half) | 241.3 TFLOPS | 1231.8 TFLOPS |
| FP32 (float) | 60.32 TFLOPS | 76.99 TFLOPS |
| FP64 (double) | 30.16 TFLOPS | 1202.9 GFLOPS |
| Graphics Processor | ||
| GPU Name | GH100 | GB110 |
| Architecture | Hopper | Blackwell Ultra |
| Foundry | TSMC | TSMC |
| Process Size | 5 nm | 5 nm |
| Transistors | 80 billion | 104 billion |
| Die Size | 814 mm² | Unknown |
| Board Design | ||
| TDP | 600W | 1400W |
| Suggested PSU | 1000 W | 1800 W |
| Outputs | No outputs | No outputs |
| Power Connectors | 8-pin EPS | |
| Graphics Features | ||
| DirectX | N/A | N/A |
| OpenGL | N/A | N/A |
| OpenCL | 3.0 | 3.0 |
| Vulkan | N/A | N/A |
| CUDA | 9.0 | 10.3 |
| Shader Model | N/A | N/A |