Matrox Parhelia-LX vs Radeon HD 7650M Rebrand

Primary details

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

Place in performance rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureTeraScale 2 (2009−2015)Parhelia (2002−2006)
GPU code nameWhistlerParhelia-LX
Market segmentDesktopDesktop
Release date28 March 2012 (12 years ago)2 January 2002 (22 years ago)
Current priceno data$142

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores480no data
Core clock speed485 MHz250 MHz
Number of transistors716 million80 million
Manufacturing process technology40 nm150 nm
Power consumption (TDP)20 Wattno data
Texture fill rate11.641.000
Floating-point performance465.6 gflopsno data

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).

InterfacePCIe 2.0 x16AGP 8x
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 amount1 GB128 MB
Memory bus width128 Bit128 Bit
Memory clock speed1600 MHz500 MHz
Memory bandwidth25.6 GB/s8 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 graphics and general-purpose computing APIs, including their specific versions.

DirectX11.2 (11_0)8.1
Shader Model5.0no data
OpenGL4.41.5
OpenCL1.2N/A
VulkanN/AN/A

Pros & cons summary


Recency 28 March 2012 2 January 2002
Maximum RAM amount 1 GB 128 MB
Chip lithography 40 nm 150 nm

We couldn't decide between Radeon HD 7650M Rebrand and Matrox Parhelia-LX. 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 7650M Rebrand
Radeon HD 7650M Rebrand
Matrox Parhelia-LX
Parhelia-LX

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