RTX A40 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 ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureParhelia (2002−2006)Ampere (2020−2024)
GPU code nameParhelia-512GA102
Market segmentDesktopWorkstation
Release date25 June 2002 (22 years ago)5 October 2020 (4 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 data10752
Core clock speed200 MHz1305 MHz
Boost clock speedno data1755 MHz
Number of transistors80 million28,300 million
Manufacturing process technology150 nm8 nm
Power consumption (TDP)no data300 Watt
Texture fill rate0.8589.7
Floating-point processing powerno data37.74 TFLOPS
ROPs4112
TMUs4336
Tensor Coresno data336
Ray Tracing Coresno data84

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 x16
Length175 mm267 mm
Width1-slot2-slot
Supplementary power connectorsNone8-pin EPS

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 amount256 MB48 GB
Memory bus width256 Bit384 Bit
Memory clock speed250 MHz1812 MHz
Memory bandwidth16 GB/s695.8 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 Connectors2x DVI3x DisplayPort

API compatibility

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

DirectX8.112 Ultimate (12_2)
Shader Modelno data6.5
OpenGL1.54.6
OpenCLN/A2.0
VulkanN/A1.2
CUDA-8.6

Pros & cons summary


Recency 25 June 2002 5 October 2020
Maximum RAM amount 256 MB 48 GB
Chip lithography 150 nm 8 nm

RTX A40 has an age advantage of 18 years, a 19100% higher maximum VRAM amount, and a 1775% more advanced lithography process.

We couldn't decide between Matrox Parhelia 256 MB and RTX A40. We've got no test results to judge.

Be aware that Matrox Parhelia 256 MB is a desktop card while RTX A40 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 Parhelia 256 MB
Parhelia 256 MB
NVIDIA RTX A40
RTX A40

Comparisons with similar GPUs

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Community ratings

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1.4 395 votes

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Questions & comments

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