Matrox Parhelia 256 MB vs GeForce 6800 GS
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Architecture | Curie (2003−2013) | Parhelia (2002−2006) |
| GPU code name | NV41 | Parhelia-512 |
| Market segment | Desktop | Desktop |
| Release date | 7 November 2005 (19 years ago) | 25 June 2002 (22 years ago) |
| Launch price (MSRP) | $249 | no data |
Detailed specifications
General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
| Core clock speed | 425 MHz | 200 MHz |
| Number of transistors | 190 million | 80 million |
| Manufacturing process technology | 130 nm | 150 nm |
| Texture fill rate | 5.100 | 0.8 |
| ROPs | 8 | 4 |
| TMUs | 12 | 4 |
Form factor & compatibility
Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).
| Interface | PCIe 1.0 x16 | AGP 4x |
| Length | no data | 175 mm |
| Width | 1-slot | 1-slot |
| Supplementary power connectors | 1x 6-pin | None |
VRAM capacity and type
Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.
| Memory type | GDDR3 | DDR |
| Maximum RAM amount | 256 MB | 256 MB |
| Memory bus width | 256 Bit | 256 Bit |
| Memory clock speed | 500 MHz | 250 MHz |
| Memory bandwidth | 32 GB/s | 16 GB/s |
Connectivity and outputs
Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.
| Display Connectors | 1x DVI, 1x VGA, 1x S-Video | 2x DVI |
API compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 9.0c (9_3) | 8.1 |
| Shader Model | 3.0 | no data |
| OpenGL | 2.0 (full) 2.1 (partial) | 1.5 |
| OpenCL | N/A | N/A |
| Vulkan | N/A | N/A |
Pros & cons summary
| Recency | 7 November 2005 | 25 June 2002 |
| Chip lithography | 130 nm | 150 nm |
6800 GS has an age advantage of 3 years, and a 15.4% more advanced lithography process.
We couldn't decide between GeForce 6800 GS and Matrox Parhelia 256 MB. We've got no test results to judge.
Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.
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