RTX A3000 Mobile 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 rated168
Place by popularitynot in top-100not in top-100
Power efficiencyno data31.93
ArchitectureG400 (1999−2002)Ampere (2020−2024)
GPU code nameToucanGA104
Market segmentDesktopMobile workstation
Release date20 May 1999 (25 years ago)12 April 2021 (3 years 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 data4096
Core clock speed125 MHz600 MHz
Boost clock speedno data1230 MHz
Number of transistors10 million17,400 million
Manufacturing process technology250 nm8 nm
Power consumption (TDP)no data70 Watt
Texture fill rate0.25157.4
Floating-point processing powerno data10.08 TFLOPS
ROPs264
TMUs2128
Tensor Coresno data128
Ray Tracing Coresno data32

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 connectorsNoneno data

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 MB6 GB
Memory bus width128 Bit192 Bit
Memory clock speed166 MHz1375 MHz
Memory bandwidth2.656 GB/s264.0 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
OpenCLNone3.0
VulkanN/A1.3
CUDA-8.6

Pros & cons summary


Recency 20 May 1999 12 April 2021
Maximum RAM amount 32 MB 6 GB
Chip lithography 250 nm 8 nm

RTX A3000 Mobile has an age advantage of 21 year, a 19100% higher maximum VRAM amount, and a 3025% more advanced lithography process.

We couldn't decide between Matrox Millennium G400 and RTX A3000 Mobile. We've got no test results to judge.

Be aware that Matrox Millennium G400 is a desktop card while RTX A3000 Mobile is a mobile workstation 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
NVIDIA RTX A3000 Mobile
RTX A3000 Mobile

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Community ratings

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5 3 votes

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3.7 125 votes

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Questions & comments

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