Matrox Parhelia 256 MB vs Radeon R7 M465

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Primary details

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

Place in the ranking781not rated
Place by popularitynot in top-100not in top-100
ArchitectureGCN 3.0 (2014−2019)Parhelia (2002−2006)
GPU code nameTopazParhelia-512
Market segmentLaptopDesktop
Release date15 May 2016 (8 years ago)25 June 2002 (22 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 cores384no data
Core clock speed1100 MHz200 MHz
Boost clock speed1125 MHzno data
Number of transistors1,550 million80 million
Manufacturing process technology28 nm150 nm
Texture fill rate27.000.8
Floating-point processing power0.864 TFLOPSno data
ROPs84
TMUs244

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 sizemedium sizedno data
InterfacePCIe 3.0 x8AGP 4x
Lengthno data175 mm
Widthno data1-slot
Supplementary power connectorsno dataNone

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 typeDDR3DDR
Maximum RAM amount2 GB256 MB
Memory bus width64 Bit256 Bit
Memory clock speed900 MHz250 MHz
Memory bandwidth14.4 GB/s16 GB/s
Shared memory-no 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 ConnectorsNo outputs2x DVI

API compatibility

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

DirectX12 (12_0)8.1
Shader Model6.3no data
OpenGL4.61.5
OpenCL2.0N/A
Vulkan1.2.131N/A

Pros & cons summary


Recency 15 May 2016 25 June 2002
Maximum RAM amount 2 GB 256 MB
Chip lithography 28 nm 150 nm

R7 M465 has an age advantage of 13 years, a 700% higher maximum VRAM amount, and a 435.7% more advanced lithography process.

We couldn't decide between Radeon R7 M465 and Matrox Parhelia 256 MB. We've got no test results to judge.

Be aware that Radeon R7 M465 is a notebook card while Matrox Parhelia 256 MB is a desktop 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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AMD Radeon R7 M465
Radeon R7 M465
Matrox Parhelia 256 MB
Parhelia 256 MB

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Community ratings

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3.4 18 votes

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1.6 10 votes

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Questions & comments

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