ATI Mobility Radeon HD 2600 vs HD 7660G

Primary details

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

Place in the ranking1044not rated
Place by popularitynot in top-100not in top-100
Power efficiency2.43no data
ArchitectureTeraScale 3 (2010−2013)TeraScale (2005−2013)
GPU code nameDevastatorM76
Market segmentLaptopLaptop
Release date15 May 2012 (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 cores384120
Core clock speed686 MHz500 MHz
Boost clock speed686 MHzno data
Number of transistors1,303 million390 million
Manufacturing process technology32 nm65 nm
Power consumption (TDP)35 Wattno data
Texture fill rate16.464.000
Floating-point processing power0.5268 TFLOPS0.12 TFLOPS
ROPs84
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 sizemedium sizedmedium sized
InterfaceIGPMXM-II

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 typeSystem SharedDDR2
Maximum RAM amountSystem Shared256 MB
Memory bus widthSystem Shared128 Bit
Memory clock speedSystem Shared400 MHz
Memory bandwidthno data12.8 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

API compatibility

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

DirectX11.2 (11_0)10.0 (10_0)
Shader Model5.04.0
OpenGL4.43.3
OpenCL1.2N/A
VulkanN/AN/A

Pros & cons summary


Recency 15 May 2012 14 May 2007
Chip lithography 32 nm 65 nm

HD 7660G has an age advantage of 5 years, and a 103.1% more advanced lithography process.

We couldn't decide between Radeon HD 7660G 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.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


AMD Radeon HD 7660G
Radeon HD 7660G
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.


3.2 133 votes

Rate Radeon HD 7660G on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.7 39 votes

Rate Mobility Radeon HD 2600 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.