Radeon 660M vs Matrox Millennium G450

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Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in performance rankingnot rated329
Place by popularitynot in top-100not in top-100
ArchitectureG400 (1999−2002)RDNA 2 (2020−2023)
GPU code nameCondorRDNA 2 Rembrandt
Market segmentDesktopLaptop
Release dateApril 2000 (24 years ago)4 January 2022 (2 years ago)

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA coresno data384
Core clock speed125 MHzno data
Boost clock speedno data1900 MHz
Number of transistors10 million13,100 million
Manufacturing process technology180 nm6 nm
Power consumption (TDP)no data45 Watt
Texture fill rate0.2545.60
Floating-point performanceno data1.459 gflops

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).

InterfacePCIPCIe 4.0 x8
Length150 mmno data
Width1-slotno data
Supplementary power connectorsNoneNone

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 typeDDRno data
Maximum RAM amount32 MBSystem Shared
Memory bus width64 Bitno data
Memory clock speed332 MBpsno data
Memory bandwidth2.656 GB/sno data
Shared memoryno data-

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 Connectors1x DVI, 1x VGANo outputs

API compatibility

List of supported graphics and general-purpose computing APIs, including their specific versions.

DirectX6.012 (12_1)
Shader Modelno data6.5
OpenGLNone4.6
OpenCLNone2.0
VulkanN/A1.2

Pros & cons summary


Chip lithography 180 nm 6 nm

Radeon 660M has a 2900% more advanced lithography process.

We couldn't decide between Matrox Millennium G450 and Radeon 660M. We've got no test results to judge.

Be aware that Matrox Millennium G450 is a desktop card while Radeon 660M is a notebook one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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Matrox Millennium G450
Millennium G450
AMD Radeon 660M
Radeon 660M

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

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5 1 vote

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3.7 278 votes

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Questions & comments

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