ATI Mobility Radeon HD 2600 vs GeForce GT 555M

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Primary details

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

Place in the ranking936not rated
Place by popularitynot in top-100not in top-100
Power efficiency3.56no data
ArchitectureFermi (2010−2014)TeraScale (2005−2013)
GPU code nameGF106M76
Market segmentLaptopLaptop
Release date27 October 2011 (12 years ago)14 May 2007 (17 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 cores144120
CUDA coresUp to 144no data
Core clock speedUp to 753 MHz500 MHz
Boost clock speed753 MHzno data
Number of transistors1,170 million390 million
Manufacturing process technology40 nm65 nm
Power consumption (TDP)35 Wattno data
Texture fill rate12.604.000
Floating-point processing power0.3024 TFLOPS0.12 TFLOPS
ROPs164
TMUs248

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 sizelargemedium sized
Bus supportPCI Express 2.0no data
InterfacePCIe 2.0 x16MXM-II
SLI options+-

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 typeDDR3\DDR5DDR2
Maximum RAM amount3 GB256 MB
Memory bus widthUp to 192 bit/128 Bit128 Bit
Memory clock speedUp to 1569 MHz400 MHz
Memory bandwidthUp to 50.2 GB/s12.8 GB/s
Shared memory--

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 outputsNo outputs

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

3D Blu-Ray+-
3D Gaming+-
Optimus+-

API compatibility

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

DirectX12 API10.0 (10_0)
Shader Model5.14.0
OpenGL4.53.3
OpenCL1.1N/A
VulkanN/AN/A
CUDA+-

Pros & cons summary


Recency 27 October 2011 14 May 2007
Maximum RAM amount 3 GB 256 MB
Chip lithography 40 nm 65 nm

GT 555M has an age advantage of 4 years, a 1100% higher maximum VRAM amount, and a 62.5% more advanced lithography process.

We couldn't decide between GeForce GT 555M and Mobility Radeon HD 2600. 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 GT 555M
GeForce GT 555M
ATI Mobility Radeon HD 2600
Mobility Radeon HD 2600

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

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


3.3 190 votes

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3.7 36 votes

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Questions & comments

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