AMD FirePro M3900 vs AMD Radeon HD 6490M Mac Edition
What is the difference between AMD FirePro M3900 and AMD Radeon HD 6490M Mac Edition. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Seymour | GPU Name | Seymour |
| Seymour GL | Model number | Seymour XTX (216-0810005) |
| TeraScale 2 | Architecture | TeraScale 2 |
| TSMC | Foundry | TSMC |
| 40 nm | Process Size | 40 nm |
| 370 million | Transistors | 370 million |
| 67 mm² | Die Size | 67 mm² |
Graphics Card
| Oct 19th, 2010 | Release Date | May 2nd, 2011 |
| FirePro Mobile (Mx900) | Family | Vancouver (HD 6400M) |
| End-of-life | Production | End-of-life |
| PCIe 2.0 x16 | Bus Interface | PCIe 2.0 x16 |
Memory
| 1024 MB | Memory Size | 256 MB |
| GDDR3 | Memory Type | GDDR5 |
| 64 bit | Memory Bus | 64 bit |
| 14.40 GB/s | Bandwidth | 25.41 GB/s |
Performance
| 3.000 GPixel/s | Pixel fillrate | 3.000 GPixel/s |
| 6.000 GTexel/s | Texture fillrate | 6.000 GTexel/s |
| 240.0 GFLOPS | FP32 (float) performance | 240.0 GFLOPS |
Clock Speeds
| 900 MHz 1800 Mbps effective | Memory Clock | 794 MHz 3.2 Gbps effective |
| 750 MHz | GPU Clock | 750 MHz |
Render Config
| 160 | Shading Units | 160 |
| 8 | TMUs | 8 |
| 4 | ROPs | 4 |
| 2 | Compute Units | 2 |
| 8 KB (per CU) | L1 Cache | 8 KB (per CU) |
| 128 KB | L2 Cache | 128 KB |
Board Design
| 20 W | Thermal design power (TDP) | unknown |
| No outputs | Display Connectors | No outputs |
API support
| 11.2 (11_0) | DirectX | 11.2 (11_0) |
| 4.4 | OpenGL | 4.4 |
| 1.2 | OpenCL | 1.2 |
| N/A | Vulkan | N/A |
| 5.0 | Shader Model | 5.0 |