Matrox G450 x4 MMS vs Radeon HD 8790M

Primary details

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

Place in the ranking730not rated
Place by popularitynot in top-100not in top-100
ArchitectureGCN 1.0 (2011−2020)G400 (1999−2002)
GPU code nameMarsCondor
Market segmentLaptopDesktop
Release date1 April 2013 (11 years ago)1 January 2001 (23 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 speed850 MHz125 MHz
Boost clock speed900 MHzno data
Number of transistors950 million10 million
Manufacturing process technology28 nm180 nm
Power consumption (TDP)unknownno data
Texture fill rate21.600.25
Floating-point processing power0.6912 TFLOPSno data
ROPs82
TMUs242

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
InterfaceMXM-A (3.0)PCI
Lengthno data168 mm
Widthno data1-slot
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 typeGDDR5DDR
Maximum RAM amount2 GB32 MB
Memory bus width128 Bit64 Bit
Memory clock speed1000 MHz332 MBps
Memory bandwidth64 GB/s2.656 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 (11_1)6.0
Shader Model5.1no data
OpenGL4.6None
OpenCL1.2None
Vulkan1.2.131N/A

Pros & cons summary


Recency 1 April 2013 1 January 2001
Maximum RAM amount 2 GB 32 MB
Chip lithography 28 nm 180 nm

HD 8790M has an age advantage of 12 years, a 6300% higher maximum VRAM amount, and a 542.9% more advanced lithography process.

We couldn't decide between Radeon HD 8790M and Matrox G450 x4 MMS. We've got no test results to judge.

Be aware that Radeon HD 8790M is a notebook card while Matrox G450 x4 MMS 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 HD 8790M
Radeon HD 8790M
Matrox G450 x4 MMS
G450 x4 MMS

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Community ratings

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3.3 330 votes

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2.1 11 votes

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Questions & comments

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