GPU

Matrox Parhelia Precision SGT

Unknown graphics card specifications and benchmark scores

256 MB
VRAM
MHz Boost
TDP
64
Bus Width

Matrox Parhelia Precision SGT Specifications

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Matrox Parhelia Precision SGT GPU Core

Shader units and compute resources

The Matrox Parhelia Precision SGT GPU core specifications define its raw processing power for graphics and compute workloads. Shading units (also called CUDA cores, stream processors, or execution units depending on manufacturer) handle the parallel calculations required for rendering. TMUs (Texture Mapping Units) process texture data, while ROPs (Render Output Units) handle final pixel output. Higher shader counts generally translate to better GPU benchmark performance, especially in demanding games and 3D applications.

TMUs
16
ROPs
4
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Matrox Parhelia Precision SGT Clock Speeds

GPU and memory frequencies

Clock speeds directly impact the Matrox Parhelia Precision SGT's performance in GPU benchmarks and real-world gaming. The base clock represents the minimum guaranteed frequency, while the boost clock indicates peak performance under optimal thermal conditions. Memory clock speed affects texture loading and frame buffer operations. The Matrox Parhelia Precision SGT by Unknown dynamically adjusts frequencies based on workload, temperature, and power limits to maximize performance while maintaining stability.

GPU Clock
200 MHz
Memory Clock
250 MHz 500 Mbps effective
GDDR GDDR 6X 6X

Unknown's Matrox Parhelia Precision SGT Memory

VRAM capacity and bandwidth

VRAM (Video RAM) is dedicated memory for storing textures, frame buffers, and shader data. The Matrox Parhelia Precision SGT's memory capacity determines how well it handles high-resolution textures and multiple displays. Memory bandwidth, measured in GB/s, affects how quickly data moves between the GPU and VRAM. Higher bandwidth improves performance in memory-intensive scenarios like 4K gaming. The memory bus width and type (GDDR6, GDDR6X, HBM) significantly influence overall GPU benchmark scores.

Memory Size
256 MB
VRAM
256 MB
Memory Type
DDR
VRAM Type
DDR
Memory Bus
64 bit
Bus Width
64-bit
Bandwidth
4.000 GB/s
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Matrox Parhelia Precision SGT Theoretical Performance

Compute and fill rates

Theoretical performance metrics provide a baseline for comparing the Matrox Parhelia Precision SGT against other graphics cards. FP32 (single-precision) performance, measured in TFLOPS, indicates compute capability for gaming and general GPU workloads. FP64 (double-precision) matters for scientific computing. Pixel and texture fill rates determine how quickly the GPU can render complex scenes. While real-world GPU benchmark results depend on many factors, these specifications help predict relative performance levels.

Pixel Rate
800.0 MPixel/s
Texture Rate
3.200 GTexel/s
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Parhelia Architecture & Process

Manufacturing and design details

The Matrox Parhelia Precision SGT is built on Unknown's Parhelia architecture, which defines how the GPU processes graphics and compute workloads. The manufacturing process node affects power efficiency, thermal characteristics, and maximum clock speeds. Smaller process nodes pack more transistors into the same die area, enabling higher performance per watt. Understanding the architecture helps predict how the Matrox Parhelia Precision SGT will perform in GPU benchmarks compared to previous generations.

Architecture
Parhelia
GPU Name
Parhelia-512
Process Node
150 nm
Foundry
UMC
Transistors
80 million
Die Size
174 mm²
Density
459.8K / mm²
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Unknown's Matrox Parhelia Precision SGT Power & Thermal

TDP and power requirements

Power specifications for the Matrox Parhelia Precision SGT determine PSU requirements and thermal management needs. TDP (Thermal Design Power) indicates the heat output under typical loads, guiding cooler selection. Power connector requirements ensure adequate power delivery for stable operation during demanding GPU benchmarks. The suggested PSU wattage accounts for the entire system, not just the graphics card. Efficient power delivery enables the Matrox Parhelia Precision SGT to maintain boost clocks without throttling.

Power Connectors
None
Suggested PSU
200 W
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Matrox Parhelia Precision SGT by Unknown Physical & Connectivity

Dimensions and outputs

Physical dimensions of the Matrox Parhelia Precision SGT are critical for case compatibility. Card length, height, and slot width determine whether it fits in your chassis. The PCIe interface version affects bandwidth for communication with the CPU. Display outputs define monitor connectivity options, with modern cards supporting multiple high-resolution displays simultaneously. Verify these specifications against your case and motherboard before purchasing to ensure a proper fit.

Slot Width
Single-slot
Length
190 mm 7.5 inches
Bus Interface
PCI-X
Display Outputs
1x DVI
Display Outputs
1x DVI
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Unknown API Support

Graphics and compute APIs

API support determines which games and applications can fully utilize the Matrox Parhelia Precision SGT. DirectX 12 Ultimate enables advanced features like ray tracing and variable rate shading. Vulkan provides cross-platform graphics capabilities with low-level hardware access. OpenGL remains important for professional applications and older games. CUDA (NVIDIA) and OpenCL enable GPU compute for video editing, 3D rendering, and scientific applications. Higher API versions unlock newer graphical features in GPU benchmarks and games.

DirectX
8.1
DirectX
8.1
OpenGL
1.3
OpenGL
1.3
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Matrox Parhelia Precision SGT Product Information

Release and pricing details

The Matrox Parhelia Precision SGT is manufactured by Unknown as part of their graphics card lineup. Release date and launch pricing provide context for comparing GPU benchmark results with competing products from the same era. Understanding the product lifecycle helps evaluate whether the Matrox Parhelia Precision SGT by Unknown represents good value at current market prices. Predecessor and successor information aids in tracking generational improvements and planning future upgrades.

Manufacturer
Unknown
Production
End-of-life

Matrox Parhelia Precision SGT Benchmark Scores

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No benchmark data available for this GPU.

About Matrox Parhelia Precision SGT

The Matrox Parhelia Precision SGT is a vintage powerhouse from the early 2000s, built on the Parhelia architecture with a 150nm process. It packs 256MB of DDR memory connected via a sturdy PCI-X interface, making it a go-to for users chasing smooth frame rates in older games or basic modern titles. Its 150nm process might feel slow by today’s standards, but the Precision SGT held its own in an era where graphics cards were just starting to get serious about rendering features. The combination of DDR memory and PCI-X connectivity ensured stable data transfer, avoiding bottlenecks that plagued earlier graphics solutions. For gamers and content creators, the Precision SGT offered a balance of performance and affordability, especially in scenarios where low power consumption was a priority. With 256MB of DDR memory, the Parhelia Precision SGT was more than capable of handling mid-2000s games, though its limited VRAM meant it struggled with newer titles. Its modern rendering features like support for DirectX 9 and basic Shader Model 2.0 made it a reliable choice for FPS

The NVIDIA Equivalent of Matrox Parhelia Precision SGT

Looking for a similar graphics card from NVIDIA? The NVIDIA GeForce GTX 1630 offers comparable performance and features in the NVIDIA lineup.

NVIDIA GeForce GTX 1630

NVIDIA • 4 GB VRAM

View Specs Compare

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