Matrox Parhelia 256 MB vs ATI Radeon HD 3470
What is the difference between Matrox Parhelia 256 MB and ATI Radeon HD 3470. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Parhelia-512 | GPU Name | RV620 |
| PHF-D2 | Model number | RV620 PRO (215-0670006) |
| Parhelia | Architecture | TeraScale |
| UMC | Foundry | TSMC |
| 150 nm | Process Size | 55 nm |
| 80 million | Transistors | 181 million |
| 174 mm² | Die Size | 67 mm² |
Graphics Card
| Mar 30th, 2004 | Release Date | Jan 23rd, 2008 |
| Parhelia | Family | Radeon R600 (HD 3400) |
| End-of-life | Production | End-of-life |
| AGP 8x | Bus Interface | PCIe 2.0 x16 |
Memory
| 256 MB | Memory Size | 256 MB |
| DDR | Memory Type | GDDR3 |
| 256 bit | Memory Bus | 64 bit |
| 20.80 GB/s | Bandwidth | 15.20 GB/s |
Performance
| 1.000 GPixel/s | Pixel fillrate | 3.200 GPixel/s |
| 4.000 GTexel/s | Texture fillrate | 3.200 GTexel/s |
Clock Speeds
| 325 MHz 650 Mbps effective | Memory Clock | 950 MHz 1900 Mbps effective |
| 250 MHz | GPU Clock | 800 MHz |
Render Config
| 16 | TMUs | 4 |
| 4 | ROPs | 4 |
Board Design
| Single-slot | Slot Width | Single-slot |
| 175 mm 6.9 inches | Length | 168 mm 6.6 inches |
| unknown | Thermal design power (TDP) | 30 W |
| 200 W | Suggested PSU | 200 W |
| 2x DVI | Display Connectors | 1x DVI 1x VGA 1x S-Video |
| None | Power Connectors | None |
| PH-A8X256 | Board Number | B530 |
API support
| 8.1 | DirectX | 10.1 (10_1) |
| 1.3 | OpenGL | 3.3 |
| N/A | OpenCL | N/A |
| N/A | Vulkan | N/A |