Product Compare
AMD Radeon HD 6970 vs NVIDIA GeForce GTX 780 6 GB
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Dec 2010 | Sep 2013 |
| Generation | Northern Islands | GeForce 700 |
| Type | Desktop | Desktop |
| Bus Interface | PCIe 2.0 x16 | PCIe 3.0 x16 |
| Clock Speeds | ||
| Memory Clock | 1375 MHz | 1502 MHz |
| Base Clock | 863 MHz | |
| Boost Clock | 902 MHz | |
| Memory | ||
| Memory Size | 2GB | 6GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 256bit | 384bit |
| Bandwidth | 176.0GB/s | 288.4GB/s |
| Render Config | ||
| Compute Units | 24 | |
| Shading Units | 1536 | 2304 |
| TMUs | 96 | 192 |
| ROPs | 32 | 48 |
| L1 Cache | 8 KB (per CU) | 16 KB (per SMX) |
| L2 Cache | 512 KB | 1536 KB |
| Theoretical Performance | ||
| Pixel Rate | 28.16 GPixel/s | 43.30 GPixel/s |
| Texture Rate | 84.48 GTexel/s | 173.2 GTexel/s |
| FP32 (float) | 2.703 TFLOPS | 4.156 TFLOPS |
| FP64 (double) | 675.8 GFLOPS | 173.2 GFLOPS |
| Graphics Processor | ||
| GPU Name | Cayman | GK110B |
| GPU Variant | Cayman XT(215-0807007) | GK110-301-B1 |
| Architecture | TeraScale 3 | Kepler |
| Foundry | TSMC | TSMC |
| Process Size | 40 nm | 28 nm |
| Transistors | 2.64 billion | 7.08 billion |
| Die Size | 389 mm² | 561 mm² |
| Board Design | ||
| TDP | 250W | 250W |
| Suggested PSU | 600 W | 600 W |
| Outputs | 2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 |
| Power Connectors | 1x 6-pin + 1x 8-pin | 1x 6-pin + 1x 8-pin |
| Graphics Features | ||
| DirectX | 11.2 (11_0) | 12 (11_1) |
| OpenGL | 4.4 | 4.6 |
| OpenCL | 1.2 | 3.0 |
| Vulkan | N/A | 1.1 |
| Shader Model | 5.0 | 5.1 |
| CUDA | 3.5 | |