Product Compare
NVIDIA RTX A400 vs AMD Radeon HD 7870 GHz Edition
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Apr 2024 | Mar 2012 |
| Generation | Quadro Ampere(Ax000) | Southern Islands |
| Type | Desktop | Desktop |
| Bus Interface | PCIe 4.0 x8 | PCIe 3.0 x16 |
| Clock Speeds | ||
| Base Clock | 1417 MHz | |
| Boost Clock | 1762 MHz | |
| Memory Clock | 1500 MHz | 1200 MHz |
| Memory | ||
| Memory Size | 4GB | 2GB |
| Memory Type | GDDR6 | GDDR5 |
| Memory Bus | 64bit | 256bit |
| Bandwidth | 96.00GB/s | 153.6GB/s |
| Render Config | ||
| SM Count | 6 | |
| Shading Units | 768 | 1280 |
| TMUs | 24 | 80 |
| ROPs | 16 | 32 |
| Tensor Cores | 24 | |
| RT Cores | 6 | |
| L1 Cache | 128 KB (per SM) | 16 KB (per CU) |
| L2 Cache | 2 MB | 512 KB |
| Compute Units | 20 | |
| Theoretical Performance | ||
| Pixel Rate | 28.19 GPixel/s | 32.00 GPixel/s |
| Texture Rate | 42.29 GTexel/s | 80.00 GTexel/s |
| FP16 (half) | 2.706 TFLOPS | |
| FP32 (float) | 2.706 TFLOPS | 2.560 TFLOPS |
| FP64 (double) | 42.29 GFLOPS | 160.0 GFLOPS |
| Graphics Processor | ||
| GPU Name | GA107 | Pitcairn |
| Architecture | Ampere | GCN 1.0 |
| Foundry | Samsung | TSMC |
| Process Size | 8 nm | 28 nm |
| Transistors | 8.7 billion | 2.8 billion |
| Die Size | 200 mm² | 212 mm² |
| GPU Variant | Pitcairn XT(215-0828047) | |
| Board Design | ||
| TDP | 50W | 175W |
| Suggested PSU | 250 W | 450 W |
| Outputs | 4x mini-DisplayPort 1.4a | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 |
| Power Connectors | None | 2x 6-pin |
| Graphics Features | ||
| DirectX | 12 Ultimate (12_2) | 12 (11_1) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 1.2 |
| Vulkan | 1.3 | 1.2 |
| CUDA | 8.6 | |
| Shader Model | 6.8 | 5.1 |