Radeon RX 6400 vs Matrox Millennium G550

Primary details

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

Place in the rankingnot rated282
Place by popularitynot in top-10097
Cost-effectiveness evaluationno data53.20
ArchitectureG500 (2001−2005)RDNA 2.0 (2020−2023)
GPU code nameCondorNavi 24
Market segmentDesktopDesktop
Release date26 November 2001 (22 years ago)19 January 2022 (2 years ago)
Launch price (MSRP)$199 $159

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

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 data768
Core clock speed125 MHz1923 MHz
Boost clock speedno data2321 MHz
Number of transistors10 million5,400 million
Manufacturing process technology180 nm6 nm
Power consumption (TDP)no data53 Watt
Texture fill rate0.25111.4
ROPs232
TMUs248

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).

InterfaceAGP 4xPCIe 4.0 x4
Length168 mmno data
Width1-slot1-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 typeDDRGDDR6
Maximum RAM amount32 MB4 GB
Memory bus width64 Bit64 Bit
Memory clock speed332 MBps16 GB/s
Memory bandwidth2.656 GB/s128.0 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 VGA1x HDMI 2.1, 1x DisplayPort 1.4a
HDMI-+

API compatibility

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

DirectX8.012 Ultimate (12_2)
Shader Modelno data6.7
OpenGL1.54.6
OpenCLN/A2.2
VulkanN/A1.3

Pros & cons summary


Recency 26 November 2001 19 January 2022
Maximum RAM amount 32 MB 4 GB
Chip lithography 180 nm 6 nm

RX 6400 has an age advantage of 20 years, a 12700% higher maximum VRAM amount, and a 2900% more advanced lithography process.

We couldn't decide between Matrox Millennium G550 and Radeon RX 6400. 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 G550
Millennium G550
AMD Radeon RX 6400
Radeon RX 6400

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Community ratings

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3.5 2 votes

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4.1 1809 votes

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Questions & comments

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