Radeon Vega 7 vs Matrox Parhelia 256 MB

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Primary details

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

Place in the rankingnot rated529
Place by popularitynot in top-10039
Power efficiencyno data11.46
ArchitectureParhelia (2002−2006)GCN 5.1 (2018−2022)
GPU code nameParhelia-512Cezanne
Market segmentDesktopLaptop
Release date25 June 2002 (22 years ago)13 April 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 data448
Core clock speed200 MHz300 MHz
Boost clock speedno data1900 MHz
Number of transistors80 million9,800 million
Manufacturing process technology150 nm7 nm
Power consumption (TDP)no data45 Watt
Texture fill rate0.853.20
Floating-point processing powerno data1.702 TFLOPS
ROPs48
TMUs428

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 4xIGP
Length175 mmno data
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 typeDDRSystem Shared
Maximum RAM amount256 MBSystem Shared
Memory bus width256 BitSystem Shared
Memory clock speed250 MHzSystem Shared
Memory bandwidth16 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 Connectors2x DVINo outputs

API compatibility

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

DirectX8.112 (12_1)
Shader Modelno data6.4
OpenGL1.54.6
OpenCLN/A2.1
VulkanN/A1.2

Pros & cons summary


Recency 25 June 2002 13 April 2021
Chip lithography 150 nm 7 nm

Vega 7 has an age advantage of 18 years, and a 2042.9% more advanced lithography process.

We couldn't decide between Matrox Parhelia 256 MB and Radeon Vega 7. We've got no test results to judge.

Be aware that Matrox Parhelia 256 MB is a desktop card while Radeon Vega 7 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 Parhelia 256 MB
Parhelia 256 MB
AMD Radeon Vega 7
Radeon Vega 7

Comparisons with similar GPUs

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Community ratings

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1.6 10 votes

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3.8 1933 votes

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Questions & comments

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