Product Compare
NVIDIA B300 vs NVIDIA Tesla M40
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Sep 2025 | Nov 2015 |
| Generation | Server Blackwell | Tesla Maxwell |
| Type | Desktop | Professional |
| Bus Interface | PCIe 5.0 x16 | PCIe 3.0 x16 |
| Clock Speeds | ||
| Base Clock | 1665 MHz | 948 MHz |
| Boost Clock | 2032 MHz | 1112 MHz |
| Memory Clock | 2000 MHz | 1502 MHz |
| Memory | ||
| Memory Size | 144GB | 12GB |
| Memory Type | HBM3e | GDDR5 |
| Memory Bus | 4096bit | 384bit |
| Bandwidth | 4.10TB/s | 288.4GB/s |
| Render Config | ||
| SM Count | 148 | |
| Shading Units | 18944 | 3072 |
| TMUs | 592 | 192 |
| ROPs | 24 | 96 |
| Tensor Cores | 592 | |
| L1 Cache | 256 KB (per SM) | 48 KB (per SMM) |
| L2 Cache | 50 MB | 3 MB |
| Theoretical Performance | ||
| Pixel Rate | 48.77 GPixel/s | 106.8 GPixel/s |
| Texture Rate | 1202.9 GTexel/s | 213.5 GTexel/s |
| FP16 (half) | 1231.8 TFLOPS | |
| FP32 (float) | 76.99 TFLOPS | 6.832 TFLOPS |
| FP64 (double) | 1202.9 GFLOPS | 213.5 GFLOPS |
| Graphics Processor | ||
| GPU Name | GB110 | GM200 |
| Architecture | Blackwell Ultra | Maxwell 2.0 |
| Foundry | TSMC | TSMC |
| Process Size | 5 nm | 28 nm |
| Transistors | 104 billion | 8 billion |
| Die Size | Unknown | 601 mm² |
| GPU Variant | GM200-895-A1 | |
| Board Design | ||
| TDP | 1400W | 250W |
| Suggested PSU | 1800 W | 600 W |
| Outputs | No outputs | No outputs |
| Power Connectors | 8-pin EPS | |
| Graphics Features | ||
| DirectX | N/A | 12 (12_1) |
| OpenGL | N/A | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | N/A | 1.3 |
| CUDA | 10.3 | 5.2 |
| Shader Model | N/A | 6.7 |