Matrox Parhelia PCI vs Radeon HD 7670A

Primary details

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

Place in the ranking806not rated
Place by popularitynot in top-100not in top-100
ArchitectureTeraScale 2 (2009−2015)Parhelia (2002−2006)
GPU code nameTurksParhelia-512
Market segmentDesktopDesktop
Release date5 January 2012 (12 years ago)2003 (21 year 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 cores480no data
Core clock speed600 MHz200 MHz
Number of transistors716 million80 million
Manufacturing process technology40 nm150 nm
Power consumption (TDP)45 Wattno data
Texture fill rate14.403.200
Floating-point processing power0.576 gflopsno data
ROPs84
TMUs2416

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).

InterfaceMXM-A (3.0)PCI-X
Lengthno data190 mm
WidthMXM Module1-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 typeGDDR5DDR
Maximum RAM amount1 GB256 MB
Memory bus width128 Bit64 Bit
Memory clock speed4000 MHz500 MBps
Memory bandwidth64 GB/s4 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 ConnectorsNo outputs2x DVI

API compatibility

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

DirectX11.2 (11_0)8.1
Shader Model5.0no data
OpenGL4.41.3
OpenCL1.2N/A
VulkanN/AN/A

Pros & cons summary


Maximum RAM amount 1 GB 256 MB
Chip lithography 40 nm 150 nm

HD 7670A has a 300% higher maximum VRAM amount, and a 275% more advanced lithography process.

We couldn't decide between Radeon HD 7670A and Matrox Parhelia PCI. We've got no test results to judge.


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 HD 7670A
Radeon HD 7670A
Matrox Parhelia PCI
Parhelia PCI

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