Radeon RX 6600S vs Matrox Millenium P650

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Primary details

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

Place in the rankingnot rated140
Place by popularitynot in top-100not in top-100
Power efficiencyno data30.69
ArchitectureParhelia (2002−2006)RDNA 2.0 (2020−2024)
GPU code nameParhelia-LXNavi 23
Market segmentDesktopLaptop
Release date2 January 2002 (22 years ago)4 January 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 data1792
Core clock speed190 MHz1700 MHz
Boost clock speedno data2000 MHz
Number of transistors80 million11,060 million
Manufacturing process technology150 nm7 nm
Power consumption (TDP)no data80 Watt
Texture fill rate0.76224.0
Floating-point processing powerno data7.168 TFLOPS
ROPs264
TMUs4112
Ray Tracing Coresno data28

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 datamedium sized
InterfaceAGP 8xPCIe 4.0 x8
Width1-slotno data
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 typeDDRGDDR6
Maximum RAM amount128 MB4 GB
Memory bus width128 Bit128 Bit
Memory clock speed230 MHz1750 MHz
Memory bandwidth7.36 GB/s224.0 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 Connectors2x DVINo outputs

API compatibility

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

DirectX8.112 Ultimate (12_2)
Shader Modelno data6.5
OpenGL1.34.6
OpenCLN/A2.1
VulkanN/A1.3

Pros & cons summary


Recency 2 January 2002 4 January 2022
Maximum RAM amount 128 MB 4 GB
Chip lithography 150 nm 7 nm

RX 6600S has an age advantage of 20 years, a 3100% higher maximum VRAM amount, and a 2042.9% more advanced lithography process.

We couldn't decide between Matrox Millenium P650 and Radeon RX 6600S. We've got no test results to judge.

Be aware that Matrox Millenium P650 is a desktop card while Radeon RX 6600S is a notebook 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 Millenium P650
Millenium P650
AMD Radeon RX 6600S
Radeon RX 6600S

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Community ratings

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4.7 13 votes

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