T550 Mobile vs Matrox Parhelia PCI

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Primary details

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

Place in the rankingnot rated394
Place by popularitynot in top-100not in top-100
Power efficiencyno data37.57
ArchitectureParhelia (2002−2006)Turing (2018−2022)
GPU code nameParhelia-512TU117
Market segmentDesktopMobile workstation
Release date2003 (21 year ago)May 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 data1024
Core clock speed200 MHz1065 MHz
Boost clock speedno data1665 MHz
Number of transistors80 million4,700 million
Manufacturing process technology150 nm12 nm
Power consumption (TDP)no data23 Watt
Texture fill rate3.200106.6
Floating-point processing powerno data3.41 TFLOPS
ROPs432
TMUs1664

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
InterfacePCI-XPCIe 3.0 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 MB4 GB
Memory bus width64 Bit64 Bit
Memory clock speed500 MBps1500 MHz
Memory bandwidth4 GB/s96 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 (12_1)
Shader Modelno data6.6
OpenGL1.34.6
OpenCLN/A3.0
VulkanN/A1.3
CUDA-7.5

Pros & cons summary


Maximum RAM amount 256 MB 4 GB
Chip lithography 150 nm 12 nm

T550 Mobile has a 1500% higher maximum VRAM amount, and a 1150% more advanced lithography process.

We couldn't decide between Matrox Parhelia PCI and T550 Mobile. We've got no test results to judge.

Be aware that Matrox Parhelia PCI is a desktop card while T550 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 PCI
Parhelia PCI
NVIDIA T550 Mobile
T550 Mobile

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Community ratings

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