Product Compare
AMD Radeon HD 6990M vs ATI FirePro V7900 SDI
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Jul 2011 | May 2011 |
| Generation | Vancouver | FirePro |
| Type | Mobile | Desktop |
| Bus Interface | MXM-B (3.0) | PCIe 2.0 x16 |
| Clock Speeds | ||
| Memory Clock | 900 MHz | 1250 MHz |
| Memory | ||
| Memory Size | 2GB | 2GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 256bit | 256bit |
| Bandwidth | 115.2GB/s | 160.0GB/s |
| Render Config | ||
| Compute Units | 14 | 20 |
| Shading Units | 1120 | 1280 |
| TMUs | 56 | 80 |
| ROPs | 32 | 32 |
| L1 Cache | 8 KB (per CU) | 8 KB (per CU) |
| L2 Cache | 512 KB | 512 KB |
| Theoretical Performance | ||
| Pixel Rate | 22.88 GPixel/s | 23.20 GPixel/s |
| Texture Rate | 40.04 GTexel/s | 58.00 GTexel/s |
| FP32 (float) | 1.602 TFLOPS | 1.856 TFLOPS |
| FP64 (double) | 464.0 GFLOPS | |
| Graphics Processor | ||
| GPU Name | Blackcomb | Cayman |
| GPU Variant | Blackcomb XTX(216-0811030) | Cayman PRO GL |
| Architecture | TeraScale 2 | TeraScale 3 |
| Foundry | TSMC | TSMC |
| Process Size | 40 nm | 40 nm |
| Transistors | 1.7 billion | 2.64 billion |
| Die Size | 212 mm² | 389 mm² |
| Board Design | ||
| TDP | 100W | 150W |
| Outputs | No outputs | 4x SDI |
| Power Connectors | None | 1x 6-pin |
| Suggested PSU | 450 W | |
| Graphics Features | ||
| DirectX | 11.2 (11_0) | 11.2 (11_0) |
| OpenGL | 4.4 | 4.4 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | N/A | N/A |
| Shader Model | 5.0 | 5.0 |