Product Compare
AMD Radeon HD 7870 GHz Edition vs NVIDIA RTX PRO 4000 Blackwell SFF
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Mar 2012 | Aug 2025 |
| Generation | Southern Islands | Blackwell PRO W |
| Type | Desktop | Desktop |
| Bus Interface | PCIe 3.0 x16 | PCIe 5.0 x8 |
| Clock Speeds | ||
| Memory Clock | 1200 MHz | 1125 MHz |
| Base Clock | 577 MHz | |
| Boost Clock | 1432 MHz | |
| Memory | ||
| Memory Size | 2GB | 24GB |
| Memory Type | GDDR5 | GDDR7 |
| Memory Bus | 256bit | 192bit |
| Bandwidth | 153.6GB/s | 432.0GB/s |
| Render Config | ||
| Compute Units | 20 | |
| Shading Units | 1280 | 8960 |
| TMUs | 80 | 280 |
| ROPs | 32 | 96 |
| L1 Cache | 16 KB (per CU) | 128 KB (per SM) |
| L2 Cache | 512 KB | 48 MB |
| SM Count | 70 | |
| Tensor Cores | 280 | |
| RT Cores | 70 | |
| Theoretical Performance | ||
| Pixel Rate | 32.00 GPixel/s | 137.5 GPixel/s |
| Texture Rate | 80.00 GTexel/s | 401.0 GTexel/s |
| FP32 (float) | 2.560 TFLOPS | 25.66 TFLOPS |
| FP64 (double) | 160.0 GFLOPS | 401.0 GFLOPS |
| FP16 (half) | 25.66 TFLOPS | |
| Graphics Processor | ||
| GPU Name | Pitcairn | GB203 |
| GPU Variant | Pitcairn XT(215-0828047) | |
| Architecture | GCN 1.0 | Blackwell 2.0 |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 5 nm |
| Transistors | 2.8 billion | 45.6 billion |
| Die Size | 212 mm² | 378 mm² |
| Board Design | ||
| TDP | 175W | 70W |
| Suggested PSU | 450 W | 250 W |
| Outputs | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 | 4x mini-DisplayPort 2.1b |
| Power Connectors | 2x 6-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 | 1.4 |
| Shader Model | 5.1 | 6.8 |
| CUDA | 12.0 | |