Matrox Millennium G400 vs GeForce RTX 3080 Mobile

Primary details

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

Place in the ranking91not rated
Place by popularitynot in top-100not in top-100
Power efficiency25.69no data
ArchitectureAmpere (2020−2024)G400 (1999−2002)
GPU code nameGA104Toucan
Market segmentLaptopDesktop
Release date12 January 2021 (3 years ago)20 May 1999 (25 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 cores6144no data
Core clock speed1110 MHz125 MHz
Boost clock speed1545 MHzno data
Number of transistors17,400 million10 million
Manufacturing process technology8 nm250 nm
Power consumption (TDP)115 Wattno data
Texture fill rate296.60.25
Floating-point processing power18.98 TFLOPSno data
ROPs962
TMUs1922
Tensor Cores192no data
Ray Tracing Cores48no data

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 sizelargeno data
InterfacePCIe 4.0 x16PCI
Lengthno data150 mm
Widthno data1-slot
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 typeGDDR6SDR
Maximum RAM amount8 GB32 MB
Memory bus width256 Bit128 Bit
Memory clock speed1750 MHz166 MHz
Memory bandwidth448.0 GB/s2.656 GB/s
Shared memory-no 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 ConnectorsNo outputs1x DVI, 1x VGA

API compatibility

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

DirectX12 Ultimate (12_2)6.0
Shader Model6.5no data
OpenGL4.6None
OpenCL2.0None
Vulkan1.2N/A
CUDA8.6-

Pros & cons summary


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

RTX 3080 Mobile has an age advantage of 21 year, a 25500% higher maximum VRAM amount, and a 3025% more advanced lithography process.

We couldn't decide between GeForce RTX 3080 Mobile and Matrox Millennium G400. We've got no test results to judge.

Be aware that GeForce RTX 3080 Mobile is a notebook card while Matrox Millennium G400 is a desktop one.


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

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


NVIDIA GeForce RTX 3080 Mobile
GeForce RTX 3080 Mobile
Matrox Millennium G400
Millennium G400

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

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


4.1 784 votes

Rate GeForce RTX 3080 Mobile on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
5 3 votes

Rate Matrox Millennium G400 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.