Radeon 660M vs Matrox Millennium G550

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Primary details

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

Place in the rankingnot rated329
Place by popularitynot in top-100not in top-100
Power efficiencyno data28.31
ArchitectureG500 (2001−2005)RDNA 2.0 (2020−2024)
GPU code nameCondorRembrandt+
Market segmentDesktopLaptop
Release date26 November 2001 (22 years ago)3 January 2023 (1 year ago)
Launch price (MSRP)$199 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.

Pipelines / CUDA coresno data384
Core clock speed125 MHz1500 MHz
Boost clock speedno data1900 MHz
Number of transistors10 million13,100 million
Manufacturing process technology180 nm6 nm
Power consumption (TDP)no data40 Watt
Texture fill rate0.2545.60
Floating-point processing powerno data1.459 TFLOPS
ROPs216
TMUs224
Ray Tracing Coresno data6

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).

InterfaceAGP 4xPCIe 4.0 x8
Length168 mmno data
Width1-slotno data
Supplementary power connectorsno dataNone

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 typeDDRSystem Shared
Maximum RAM amount32 MBSystem Shared
Memory bus width64 BitSystem Shared
Memory clock speed166 MHzSystem Shared
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 VGAPortable Device Dependent

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX8.012 Ultimate (12_2)
Shader Modelno data6.7
OpenGL1.54.6
OpenCLN/A2.0
VulkanN/A1.3

Pros & cons summary


Recency 26 November 2001 3 January 2023
Chip lithography 180 nm 6 nm

Radeon 660M has an age advantage of 21 year, and a 2900% more advanced lithography process.

We couldn't decide between Matrox Millennium G550 and Radeon 660M. We've got no test results to judge.

Be aware that Matrox Millennium G550 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 G550
Millennium G550
AMD Radeon 660M
Radeon 660M

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Community ratings

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3.5 2 votes

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3.6 305 votes

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Questions & comments

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