AMD Radeon Pro 450 vs AMD Radeon HD 6990M Rebrand
What is the difference between AMD Radeon Pro 450 and AMD Radeon HD 6990M Rebrand. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Baffin | GPU Name | Broadway |
| Baffin LE | Model number | Broadway XTX |
| GCN 4.0 | Architecture | TeraScale 2 |
| GlobalFoundries | Foundry | TSMC |
| 14 nm | Process Size | 40 nm |
| 3,000 million | Transistors | 1,040 million |
| 123 mm² | Die Size | 166 mm² |
Graphics Card
| Oct 30th, 2016 | Release Date | Jul 12th, 2011 |
| Radeon Pro Mac (400 Series) | Family | Vancouver (HD 6900M) |
| Active | Production | End-of-life |
| PCIe 3.0 x8 | Bus Interface | MXM-B (3.0) |
Memory
| 2 GB | Memory Size | 1024 MB |
| GDDR5 | Memory Type | GDDR5 |
| 128 bit | Memory Bus | 128 bit |
| 81.28 GB/s | Bandwidth | 70.40 GB/s |
Performance
| 12.80 GPixel/s | Pixel fillrate | 12.80 GPixel/s |
| 32.00 GTexel/s | Texture fillrate | 32.00 GTexel/s |
| 1,024 GFLOPS | FP32 (float) performance | 1,280 GFLOPS |
Clock Speeds
| 1270 MHz 5.1 Gbps effective | Memory Clock | 1100 MHz 4.4 Gbps effective |
| 800 MHz | GPU Clock | 800 MHz |
Render Config
| 640 | Shading Units | 800 |
| 40 | TMUs | 40 |
| 16 | ROPs | 16 |
| 10 | Compute Units | 14 |
| 16 KB (per CU) | L1 Cache | 8 KB (per CU) |
| 1024 KB | L2 Cache | 256 KB |
Board Design
| MXM Module | Slot Width | MXM Module |
| 35 W | Thermal design power (TDP) | 100 W |
| No outputs | Display Connectors | No outputs |
API support
| 12 (12_0) | DirectX | 11.2 (11_0) |
| 4.6 | OpenGL | 4.4 |
| 2.1 | OpenCL | 1.2 |
| 1.2 | Vulkan | N/A |
| 6.4 | Shader Model | 5.0 |