Radeon RX 7600M vs Matrox Millennium G400

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Primary details

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

Place in the rankingnot rated443
Place by popularitynot in top-100not in top-100
Power efficiencyno data7.79
ArchitectureG400 (1999−2002)RDNA 3.0 (2022−2024)
GPU code nameToucanNavi 33
Market segmentDesktopLaptop
Release date20 May 1999 (25 years ago)4 January 2023 (1 year ago)

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 data1792
Core clock speed125 MHz1500 MHz
Boost clock speedno data2410 MHz
Number of transistors10 million13,300 million
Manufacturing process technology250 nm6 nm
Power consumption (TDP)no data90 Watt
Texture fill rate0.25269.9
Floating-point processing powerno data17.27 TFLOPS
ROPs264
TMUs2112
Ray Tracing Coresno data28

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).

Laptop sizeno datalarge
InterfacePCIPCIe 4.0 x16
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 typeSDRGDDR6
Maximum RAM amount32 MB8 GB
Memory bus width128 Bit128 Bit
Memory clock speed166 MHz2000 MHz
Memory bandwidth2.656 GB/s256.0 GB/s
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.

DirectX6.012 Ultimate (12_2)
Shader Modelno data6.7
OpenGLNone4.6
OpenCLNone2.2
VulkanN/A1.3

Pros & cons summary


Recency 20 May 1999 4 January 2023
Maximum RAM amount 32 MB 8 GB
Chip lithography 250 nm 6 nm

RX 7600M has an age advantage of 23 years, a 25500% higher maximum VRAM amount, and a 4066.7% more advanced lithography process.

We couldn't decide between Matrox Millennium G400 and Radeon RX 7600M. We've got no test results to judge.

Be aware that Matrox Millennium G400 is a desktop card while Radeon RX 7600M 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 G400
Millennium G400
AMD Radeon RX 7600M
Radeon RX 7600M

Comparisons with similar GPUs

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Community ratings

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5 3 votes

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3.7 23 votes

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Questions & comments

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