Matrox Parhelia 128 MB vs GeForce GTX 850A

Primary details

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

Place in performance ranking770not rated
Place by popularitynot in top-100not in top-100
ArchitectureMaxwell (2014−2018)Parhelia (2002−2006)
GPU code nameGM107Parhelia-512
Market segmentDesktopDesktop
Release date17 March 2014 (10 years ago)25 June 2002 (22 years ago)
Current priceno data$237

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 cores640no data
Core clock speed902 MHz200 MHz
Boost clock speed936 MHzno data
Number of transistors1,870 million80 million
Manufacturing process technology28 nm150 nm
Power consumption (TDP)45 Wattno data
Texture fill rate37.440.8
Floating-point performance1,198 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 3.0 x16AGP 4x
Lengthno data175 mm
WidthIGP1-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 GB128 MB
Memory bus width128 Bit256 Bit
Memory clock speed1800 MHz500 MHz
Memory bandwidth28.8 GB/s16 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.

DirectX12 (11_0)8.1
Shader Model5.1no data
OpenGL4.61.5
OpenCL1.2N/A
Vulkan1.1.126N/A
CUDA5.0no data

Pros & cons summary


Recency 17 March 2014 25 June 2002
Maximum RAM amount 2 GB 128 MB
Chip lithography 28 nm 150 nm

We couldn't decide between GeForce GTX 850A and Matrox Parhelia 128 MB. 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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NVIDIA GeForce GTX 850A
GeForce GTX 850A
Matrox Parhelia 128 MB
Parhelia 128 MB

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Community ratings

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