RTX A4500 Mobile vs Matrox Parhelia HR256

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Primary details

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

Place in the rankingnot rated76
Place by popularitynot in top-100not in top-100
Power efficiencyno data22.38
ArchitectureParhelia (2002−2006)Ampere (2020−2024)
GPU code nameParhelia-512GA104
Market segmentDesktopMobile workstation
Release dateSeptember 2003 (21 year ago)22 March 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 data5888
Core clock speed200 MHz930 MHz
Boost clock speedno data1500 MHz
Number of transistors80 million17,400 million
Manufacturing process technology150 nm8 nm
Power consumption (TDP)no data140 Watt
Texture fill rate3.200276.0
Floating-point processing powerno data17.66 TFLOPS
ROPs496
TMUs16184
Tensor Coresno data184
Ray Tracing Coresno data46

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 datalarge
InterfacePCI-XPCIe 4.0 x16
Length190 mmno data
Width1-slotno data
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 typeDDRGDDR6
Maximum RAM amount256 MB16 GB
Memory bus width64 Bit256 Bit
Memory clock speed250 MHz2000 MHz
Memory bandwidth4 GB/s512.0 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 LFH60Portable Device Dependent

API compatibility

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

DirectX8.112 Ultimate (12_2)
Shader Modelno data6.7
OpenGL1.34.6
OpenCLN/A3.0
VulkanN/A1.3
CUDA-8.6

Pros & cons summary


Maximum RAM amount 256 MB 16 GB
Chip lithography 150 nm 8 nm

RTX A4500 Mobile has a 6300% higher maximum VRAM amount, and a 1775% more advanced lithography process.

We couldn't decide between Matrox Parhelia HR256 and RTX A4500 Mobile. We've got no test results to judge.

Be aware that Matrox Parhelia HR256 is a desktop card while RTX A4500 Mobile is a mobile 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 HR256
Parhelia HR256
NVIDIA RTX A4500 Mobile
RTX A4500 Mobile

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Community ratings

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3.5 17 votes

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