Radeon 9550 vs GeForce GTX 660M Mac Edition

Primary details

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

Place in performance ranking926not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.04no data
ArchitectureKepler (2012−2018)Rage 8 (2002−2006)
GPU code nameGK107RV350
Market segmentDesktopDesktop
Release date1 April 2013 (11 years ago)1 October 2003 (20 years ago)
Current price$149 $131

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

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 cores384no data
Core clock speed950 MHz250 MHz
Number of transistors1,270 million60 million
Manufacturing process technology28 nm130 nm
Power consumption (TDP)50 Wattno data
Texture fill rate30.401.000
Floating-point performance729.6 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).

InterfaceMXM-B (3.0)AGP 8x
WidthMXM Module1-slot
Supplementary power connectorsNoneNone

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 amount512 MB64 MB
Memory bus width128 Bit128 Bit
Memory clock speed5000 MHz400 MHz
Memory bandwidth80 GB/s6.4 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 outputs1x DVI, 1x VGA, 1x S-Video

API compatibility

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

DirectX12 (11_0)9.0 (9_0)
Shader Model5.1no data
OpenGL4.62.0
OpenCL1.2N/A
Vulkan1.1.126N/A
CUDA3.0no data

Pros & cons summary


Recency 1 April 2013 1 October 2003
Maximum RAM amount 512 MB 64 MB
Chip lithography 28 nm 130 nm

We couldn't decide between GeForce GTX 660M Mac Edition and Radeon 9550. 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 660M Mac Edition
GeForce GTX 660M Mac Edition
ATI Radeon 9550
Radeon 9550

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Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


3 21 vote

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4 53 votes

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Questions & comments

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