UHD Graphics 770 vs Matrox Millennium G400

Primary details

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

Place in the rankingnot rated578
Place by popularitynot in top-10028
Power efficiencyno data28.58
ArchitectureG400 (1999−2002)Generation 12.2 (2022−2023)
GPU code nameToucanRaptor Lake GT1
Market segmentDesktopDesktop
Release date20 May 1999 (25 years ago)27 September 2022 (2 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 data256
Core clock speed125 MHz300 MHz
Boost clock speedno data1650 MHz
Number of transistors10 millionno data
Manufacturing process technology250 nm10 nm
Power consumption (TDP)no data15 Watt
Texture fill rate0.2526.40
Floating-point processing powerno data0.8448 TFLOPS
ROPs28
TMUs216

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).

InterfacePCIRing Bus
Length150 mmno data
Width1-slotIGP
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 typeSDRSystem Shared
Maximum RAM amount32 MBSystem Shared
Memory bus width128 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 VGAMotherboard Dependent

API compatibility

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

DirectX6.012 (12_1)
Shader Modelno data6.6
OpenGLNone4.6
OpenCLNone3.0
VulkanN/A1.3

Pros & cons summary


Recency 20 May 1999 27 September 2022
Chip lithography 250 nm 10 nm

UHD Graphics 770 has an age advantage of 23 years, and a 2400% more advanced lithography process.

We couldn't decide between Matrox Millennium G400 and UHD Graphics 770. We've got no test results to judge.


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
Intel UHD Graphics 770
UHD Graphics 770

Comparisons with similar GPUs

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Community ratings

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5 3 votes

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3.2 1233 votes

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Questions & comments

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