NVIDIA GRID K520Q vs AMD Radeon HD 6990M Rebrand
What is the difference between NVIDIA GRID K520Q and AMD Radeon HD 6990M Rebrand. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GK104 | GPU Name | Broadway |
| Kepler | Architecture | TeraScale 2 |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 40 nm |
| 3,540 million | Transistors | 1,040 million |
| 294 mm² | Die Size | 166 mm² |
Graphics Card
| Jul 2nd, 2014 | Release Date | Jul 12th, 2011 |
| GRID (K5) | Family | Vancouver (HD 6900M) |
| End-of-life | Production | End-of-life |
| PCIe 3.0 x16 | Bus Interface | MXM-B (3.0) |
Memory
| 4 GB x2 | Memory Size | 1024 MB |
| GDDR5 | Memory Type | GDDR5 |
| 256 bit x2 | Memory Bus | 128 bit |
Clock Speeds
| 1250 MHz 5 Gbps effective | Memory Clock | 1100 MHz 4.4 Gbps effective |
| 745 MHz | GPU Clock | 800 MHz |
Render Config
| 128 x2 | TMUs | 40 |
| 32 x2 | ROPs | 16 |
Board Design
| 225 W | Thermal design power (TDP) | 100 W |
| No outputs | Display Connectors | No outputs |
API support
| 12 (11_0) | DirectX | 11.2 (11_0) |
| 4.6 | OpenGL | 4.4 |
| 3.0 | OpenCL | 1.2 |
| 1.1 | Vulkan | N/A |
| 5.1 | Shader Model | 5.0 |