T400 4 GB vs Matrox Millennium G250

Primary details

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

Place in the rankingnot rated456
Place by popularitynot in top-100not in top-100
Power efficiencyno data22.68
ArchitectureG200 (1998−1999)Turing (2018−2022)
GPU code nameCalaoTU117
Market segmentDesktopWorkstation
Release date1999 (25 years ago)6 May 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 data384
Core clock speed96 MHz420 MHz
Boost clock speedno data1425 MHz
Number of transistors10 million4,700 million
Manufacturing process technology250 nm12 nm
Power consumption (TDP)no data30 Watt
Texture fill rate0.134.20
Floating-point processing powerno data1.094 TFLOPS
ROPs116
TMUs124

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 3.0 x16
Length150 mmno data
Width1-slot1-slot
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 amount8 MB4 GB
Memory bus width64 Bit64 Bit
Memory clock speed128 MHz1250 MHz
Memory bandwidth1.024 GB/s80 GB/s

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 VGA3x mini-DisplayPort

API compatibility

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

DirectX5.012 (12_1)
Shader Modelno data6.6
OpenGLNone4.6
OpenCLNone3.0
VulkanN/A1.2
CUDA-7.5

Pros & cons summary


Maximum RAM amount 8 MB 4 GB
Chip lithography 250 nm 12 nm

T400 4 GB has a 51100% higher maximum VRAM amount, and a 1983.3% more advanced lithography process.

We couldn't decide between Matrox Millennium G250 and T400 4 GB. We've got no test results to judge.

Be aware that Matrox Millennium G250 is a desktop card while T400 4 GB is a 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 G250
Millennium G250
NVIDIA T400 4 GB
T400 4 GB

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Community ratings

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