Matrox Parhelia HR256: specs and benchmarks
Summary
Matrox started Parhelia HR256 sales on September 2003. This is a desktop graphics card based on a Parhelia architecture and made with 150 nm manufacturing process. It is primarily aimed at gamer market. 256 MB of DDR memory clocked at 0.25 GHz are supplied, and together with 64 Bit memory interface this creates a bandwidth of 4 GB/s.
Compatibility-wise, this is a single-slot graphics card attached via PCI-X interface. Its manufacturer default version has a length of 190 mm.
Primary details
Some basic facts about Matrox Parhelia HR256: architecture, market segment, release date etc.
| Place in the ranking | not rated | |
| Place by popularity | not in top-100 | |
| Architecture | Parhelia (2002−2006) | |
| GPU code name | Parhelia-512 | |
| Market segment | Desktop | |
| Release date | September 2003 (21 year ago) |
Detailed specifications
Matrox Parhelia HR256's specs such as number of shaders, GPU base clock, manufacturing process, texturing and calculation speed. These parameters indirectly speak of Matrox Parhelia HR256's performance, but for precise assessment you have to consider its benchmark and gaming test results.
| Core clock speed | 200 MHz | of 2670 MHz (Arc B580) |
| Number of transistors | 80 million | of 208,000 million (B200 SXM 192 GB) |
| Manufacturing process technology | 150 nm | of 3 nm (Arc Graphics 140V) |
| Texture fill rate | 3.200 | of 2,554 (Radeon Instinct MI300X) |
| ROPs | 4 | of 192 (GRID A100A) |
| TMUs | 16 | of 1280 (Data Center GPU Max NEXT) |
Form factor & compatibility
This section provides details about the physical dimensions of Matrox Parhelia HR256 and its compatibility with other computer components. This information is useful when selecting a computer configuration or upgrading an existing one. For desktop graphics cards, it includes details about the interface and bus (for motherboard compatibility) and additional power connectors (for power supply compatibility).
| Interface | PCI-X | |
| Length | 190 mm | |
| Width | 1-slot | |
| Supplementary power connectors | None |
VRAM capacity and type
Parameters of memory installed on Matrox Parhelia HR256: its type, size, bus, clock and resulting bandwidth. Note that GPUs integrated into processors have no dedicated memory and use a shared part of system RAM instead.
| Memory type | DDR | |
| Maximum RAM amount | 256 MB | of 294912 (Radeon Instinct MI325X) |
| Memory bus width | 64 Bit | of 8192 Bit (Radeon Instinct MI250X) |
| Memory clock speed | 250 MHz | of 20000 (RTX 5000 Ada Generation Mobile) |
| Memory bandwidth | 4 GB/s | of 5,171 GB/s (Radeon Instinct MI300X) |
Connectivity and outputs
Types and number of video connectors present on Matrox Parhelia HR256. As a rule, this section is relevant only for desktop reference graphics cards, since for notebook ones the availability of certain video outputs depends on the laptop model, while non-reference desktop models can (though not necessarily will) bear a different set of video ports.
| Display Connectors | 2x LFH60 |
API compatibility
APIs supported by Matrox Parhelia HR256, sometimes including their particular versions.
| DirectX | 8.1 | |
| OpenGL | 1.3 | of 4.6 (GeForce GTX 1080 Mobile) |
| OpenCL | N/A | |
| Vulkan | N/A |
Similar GPUs
Here is our recommendation of several graphics cards that are more or less close in performance to the one reviewed.
Recommended processors
These processors are most commonly used with Matrox Parhelia HR256 according to our statistics.
