GPU

Matrox Millennium G450 x2 MMS

Unknown graphics card specifications and benchmark scores

32 MB
VRAM
MHz Boost
TDP
64
Bus Width

Matrox Millennium G450 x2 MMS Specifications

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Matrox Millennium G450 x2 MMS GPU Core

Shader units and compute resources

The Matrox Millennium G450 x2 MMS 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
2
ROPs
2
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Matrox Millennium G450 x2 MMS Clock Speeds

GPU and memory frequencies

Clock speeds directly impact the Matrox Millennium G450 x2 MMS'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 Millennium G450 x2 MMS by Unknown dynamically adjusts frequencies based on workload, temperature, and power limits to maximize performance while maintaining stability.

GPU Clock
125 MHz
Memory Clock
166 MHz 332 Mbps effective
GDDR GDDR 6X 6X

Unknown's Matrox Millennium G450 x2 MMS Memory

VRAM capacity and bandwidth

VRAM (Video RAM) is dedicated memory for storing textures, frame buffers, and shader data. The Matrox Millennium G450 x2 MMS'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
32 MB
VRAM
32 MB
Memory Type
DDR
VRAM Type
DDR
Memory Bus
64 bit
Bus Width
64-bit
Bandwidth
2.656 GB/s
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Matrox Millennium G450 x2 MMS Theoretical Performance

Compute and fill rates

Theoretical performance metrics provide a baseline for comparing the Matrox Millennium G450 x2 MMS 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
250.0 MPixel/s
Texture Rate
250.0 MTexel/s
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G400 Architecture & Process

Manufacturing and design details

The Matrox Millennium G450 x2 MMS is built on Unknown's G400 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 Millennium G450 x2 MMS will perform in GPU benchmarks compared to previous generations.

Architecture
G400
GPU Name
Condor
Process Node
180 nm
Foundry
UMC
Transistors
10 million
🔌

Unknown's Matrox Millennium G450 x2 MMS Power & Thermal

TDP and power requirements

Power specifications for the Matrox Millennium G450 x2 MMS 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 Millennium G450 x2 MMS to maintain boost clocks without throttling.

Power Connectors
None
Suggested PSU
200 W
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Matrox Millennium G450 x2 MMS by Unknown Physical & Connectivity

Dimensions and outputs

Physical dimensions of the Matrox Millennium G450 x2 MMS 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
165 mm 6.5 inches
Height
97 mm 3.8 inches
Bus Interface
PCI
Display Outputs
1x LFH60
Display Outputs
1x LFH60
🎮

Unknown API Support

Graphics and compute APIs

API support determines which games and applications can fully utilize the Matrox Millennium G450 x2 MMS. 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
6.0
DirectX
6.0
OpenGL
None
OpenGL
None
OpenCL
None
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Matrox Millennium G450 x2 MMS Product Information

Release and pricing details

The Matrox Millennium G450 x2 MMS 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 Millennium G450 x2 MMS by Unknown represents good value at current market prices. Predecessor and successor information aids in tracking generational improvements and planning future upgrades.

Manufacturer
Unknown
Release Date
Jun 2002
Production
End-of-life

Matrox Millennium G450 x2 MMS Benchmark Scores

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No benchmark data available for this GPU.

About Matrox Millennium G450 x2 MMS

The Matrox Millennium G450 x2 MMS presents a unique case for price-to-performance, especially if you stumble upon it in the used market. With 32MB of DDR memory, this dual-head card was built for multi-monitor productivity rather than hardcore gaming. For its era, getting two displays from a single PCI slot was a solid value proposition. Today, its performance is massively outpaced by even basic integrated graphics, making its price need to be incredibly low to justify consideration. The real value of the Matrox Millennium G450 x2 MMS now lies purely as a collector's item or for a specific legacy system restoration. You're not buying raw power; you're buying a specific dual-output capability from a bygone era. Evaluating the Matrox Millennium G450 x2 MMS requires ignoring modern performance metrics entirely.

Market positioning for the Matrox Millennium G450 x2 MMS was always niche, targeting professionals who needed stable 2D output across two monitors. It wasn't competing with gaming cards but rather with other multi-display solutions from its time. The G400 architecture was renowned for impeccable 2D image quality, which was the main selling point. In today's context, the card is completely obsolete for any mainstream or even budget computing tasks. Finding a system that can even accommodate a PCI version of the Matrox Millennium G450 x2 MMS is a challenge in itself. Its market now is essentially non-existent outside of very specific retro computing circles.

Future-proofing was never a strong suit for the Matrox Millennium G450 x2 MMS, even at its 2002 launch. The 32MB memory and PCI interface were becoming limiting factors as AGP took over. It's the absolute opposite of future-proof today, completely incapable of running modern operating systems or software efficiently. System requirements are a major hurdle; you'll need an old machine with a PCI slot and likely Windows XP or earlier for drivers. The Matrox Millennium G450 x2 MMS is a hardware time capsule, locking you into a very specific technological moment. Investing in this card is an explicit step into the past, not a foundation for the future.

The NVIDIA Equivalent of Matrox Millennium G450 x2 MMS

Looking for a similar graphics card from NVIDIA? The NVIDIA GeForce GTX 260 offers comparable performance and features in the NVIDIA lineup.

NVIDIA GeForce GTX 260

NVIDIA • 896 MB VRAM

View Specs Compare

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