AMD Radeon HD 6950 vs AMD FirePro D300
What is the difference between AMD Radeon HD 6950 and AMD FirePro D300. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Cayman | GPU Name | Pitcairn |
| Cayman PRO (215-0807019) | Model number | Pitcairn XT GL (215-0828073) |
| TeraScale 3 | Architecture | GCN 1.0 |
| TSMC | Foundry | TSMC |
| 40 nm | Process Size | 28 nm |
| 2,640 million | Transistors | 2,800 million |
| 389 mm² | Die Size | 212 mm² |
Graphics Card
| Dec 14th, 2010 | Release Date | Jan 18th, 2014 |
| Northern Islands (HD 6900) | Family | FirePro (Dx00) |
| End-of-life | Production | End-of-life |
| PCIe 2.0 x16 | Bus Interface | PCIe 3.0 x16 |
Memory
| 2 GB | Memory Size | 2 GB |
| GDDR5 | Memory Type | GDDR5 |
| 256 bit | Memory Bus | 256 bit |
| 160.0 GB/s | Bandwidth | 162.6 GB/s |
Performance
| 25.60 GPixel/s | Pixel fillrate | 27.20 GPixel/s |
| 70.40 GTexel/s | Texture fillrate | 68.00 GTexel/s |
| 2.253 TFLOPS | FP32 (float) performance | 2.176 TFLOPS |
| 563.2 GFLOPS (1:4) | FP64 (double) performance | 136.0 GFLOPS (1:16) |
Clock Speeds
| 1250 MHz 5 Gbps effective | Memory Clock | 1270 MHz 5.1 Gbps effective |
| 800 MHz | GPU Clock | 850 MHz |
Render Config
| 1408 | Shading Units | 1280 |
| 88 | TMUs | 80 |
| 32 | ROPs | 32 |
| 22 | Compute Units | 20 |
| 8 KB (per CU) | L1 Cache | 16 KB (per CU) |
| 512 KB | L2 Cache | 512 KB |
Board Design
| Dual-slot | Slot Width | Single-slot |
| 286 mm 11.3 inches | Length | 242 mm 9.5 inches |
| 200 W | Thermal design power (TDP) | 150 W |
| 550 W | Suggested PSU | 450 W |
| 2x DVI 1x HDMI 2x mini-DisplayPort | Display Connectors | 4x DisplayPort |
API support
| 11.2 (11_0) | DirectX | 12 (11_1) |
| 4.4 | OpenGL | 4.6 |
| 1.2 | OpenCL | 1.2 |
| N/A | Vulkan | 1.2 |
| 5.0 | Shader Model | 5.1 |