Product Compare
AMD Radeon HD 7970 GHz Edition vs NVIDIA RTX A400
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Jun 2012 | Apr 2024 |
| Generation | Southern Islands | Quadro Ampere(Ax000) |
| Type | Desktop | Desktop |
| Bus Interface | PCIe 3.0 x16 | PCIe 4.0 x8 |
| Clock Speeds | ||
| Base Clock | 1000 MHz | 1417 MHz |
| Boost Clock | 1050 MHz | 1762 MHz |
| Memory Clock | 1500 MHz | 1500 MHz |
| Memory | ||
| Memory Size | 3GB | 4GB |
| Memory Type | GDDR5 | GDDR6 |
| Memory Bus | 384bit | 64bit |
| Bandwidth | 288.0GB/s | 96.00GB/s |
| Render Config | ||
| Compute Units | 32 | |
| Shading Units | 2048 | 768 |
| TMUs | 128 | 24 |
| ROPs | 32 | 16 |
| L1 Cache | 16 KB (per CU) | 128 KB (per SM) |
| L2 Cache | 768 KB | 2 MB |
| SM Count | 6 | |
| Tensor Cores | 24 | |
| RT Cores | 6 | |
| Theoretical Performance | ||
| Pixel Rate | 33.60 GPixel/s | 28.19 GPixel/s |
| Texture Rate | 134.4 GTexel/s | 42.29 GTexel/s |
| FP32 (float) | 4.301 TFLOPS | 2.706 TFLOPS |
| FP64 (double) | 1075 GFLOPS | 42.29 GFLOPS |
| FP16 (half) | 2.706 TFLOPS | |
| Graphics Processor | ||
| GPU Name | Tahiti | GA107 |
| GPU Variant | Tahiti XT2(215-0821065) | |
| Architecture | GCN 1.0 | Ampere |
| Foundry | TSMC | Samsung |
| Process Size | 28 nm | 8 nm |
| Transistors | 4.313 billion | 8.7 billion |
| Die Size | 352 mm² | 200 mm² |
| Board Design | ||
| TDP | 300W | 50W |
| Suggested PSU | 700 W | 250 W |
| Outputs | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 | 4x mini-DisplayPort 1.4a |
| Power Connectors | 1x 6-pin + 1x 8-pin | None |
| Graphics Features | ||
| DirectX | 12 (11_1) | 12 Ultimate (12_2) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 3.0 |
| Vulkan | 1.2 | 1.3 |
| Shader Model | 5.1 | 6.8 |
| CUDA | 8.6 | |