Product Compare
NVIDIA A40 PCIe vs AMD Radeon HD 6850 X2
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Oct 2020 | Sep 2011 |
| Generation | Tesla | Northern Islands |
| Type | Desktop | Desktop |
| Bus Interface | PCIe 4.0 x16 | PCIe 2.0 x16 |
| Clock Speeds | ||
| Base Clock | 1305 MHz | |
| Boost Clock | 1740 MHz | |
| Memory Clock | 1812 MHz | 1050 MHz |
| Memory | ||
| Memory Size | 48GB | 2GB |
| Memory Type | GDDR6 | GDDR5 |
| Memory Bus | 384bit | 256bit |
| Bandwidth | 695.8GB/s | 134.4GB/s |
| Render Config | ||
| SM Count | 84 | |
| Shading Units | 10752 | 960 |
| TMUs | 336 | 48 |
| ROPs | 112 | 32 |
| Tensor Cores | 336 | |
| RT Cores | 84 | |
| L1 Cache | 128 KB (per SM) | 8 KB (per CU) |
| L2 Cache | 6 MB | 512 KB |
| Compute Units | 12 | |
| Theoretical Performance | ||
| Pixel Rate | 194.9 GPixel/s | 25.60 GPixel/s |
| Texture Rate | 584.6 GTexel/s | 38.40 GTexel/s |
| FP16 (half) | 37.42 TFLOPS | |
| FP32 (float) | 37.42 TFLOPS | 1.536 TFLOPS |
| FP64 (double) | 584.6 GFLOPS | |
| Graphics Processor | ||
| GPU Name | GA102 | Barts |
| Architecture | Ampere | TeraScale 2 |
| Foundry | Samsung | TSMC |
| Process Size | 8 nm | 40 nm |
| Transistors | 28.3 billion | 1.7 billion |
| Die Size | 628 mm² | 255 mm² |
| GPU Variant | Barts PRO(215-0798006) | |
| Board Design | ||
| TDP | 300W | 254W |
| Suggested PSU | 700 W | 600 W |
| Outputs | 3x DisplayPort 1.4a | 2x DVI1x HDMI 1.3a1x DisplayPort 1.1 |
| Power Connectors | 8-pin EPS | 2x 8-pin |
| Graphics Features | ||
| DirectX | 12 Ultimate (12_2) | 11.2 (11_0) |
| OpenGL | 4.6 | 4.4 |
| OpenCL | 3.0 | 1.2 |
| Vulkan | 1.3 | N/A |
| CUDA | 8.6 | |
| Shader Model | 6.6 | 5.0 |