Product Compare
AMD Radeon HD 6870 X2 vs NVIDIA GeForce GTX 580 Rev. 2
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Jul 2011 | Jun 2011 |
| Generation | Northern Islands | GeForce 500 |
| Type | Desktop | Desktop |
| Bus Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| Clock Speeds | ||
| Memory Clock | 1050 MHz | 1002 MHz |
| Memory | ||
| Memory Size | 1024MB | 1536MB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 256bit | 384bit |
| Bandwidth | 134.4GB/s | 192.4GB/s |
| Render Config | ||
| Compute Units | 14 | |
| Shading Units | 1120 | 512 |
| TMUs | 56 | 64 |
| ROPs | 32 | 48 |
| L1 Cache | 8 KB (per CU) | 64 KB (per SM) |
| L2 Cache | 512 KB | 768 KB |
| SM Count | 16 | |
| Theoretical Performance | ||
| Pixel Rate | 28.80 GPixel/s | 24.70 GPixel/s |
| Texture Rate | 50.40 GTexel/s | 49.41 GTexel/s |
| FP32 (float) | 2.016 TFLOPS | 1.581 TFLOPS |
| FP64 (double) | 197.6 GFLOPS | |
| Graphics Processor | ||
| GPU Name | Barts | GF110 |
| GPU Variant | Barts XT(215-0798000) | GF110-380-A1 |
| Architecture | TeraScale 2 | Fermi 2.0 |
| Foundry | TSMC | TSMC |
| Process Size | 40 nm | 40 nm |
| Transistors | 1.7 billion | 3 billion |
| Die Size | 255 mm² | 520 mm² |
| Board Design | ||
| TDP | 300W | 244W |
| Suggested PSU | 700 W | 550 W |
| Outputs | 2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1 | 2x DVI1x mini-HDMI 1.3a |
| Power Connectors | 1x 6-pin + 1x 8-pin | |
| Graphics Features | ||
| DirectX | 11.2 (11_0) | 12 (11_0) |
| OpenGL | 4.4 | 4.6 |
| OpenCL | 1.2 | 1.1 |
| Vulkan | N/A | N/A |
| Shader Model | 5.0 | 5.1 |
| CUDA | 2.0 | |