Radeon R4 Mobile Graphics vs HD 7660G

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Primary details

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

Place in the ranking1045not rated
Place by popularitynot in top-100not in top-100
Power efficiency2.43no data
ArchitectureTeraScale 3 (2010−2013)GCN 2.0 (2013−2017)
GPU code nameDevastatorSpectre SL
Market segmentLaptopLaptop
Release date15 May 2012 (12 years ago)17 September 2014 (10 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 cores384192
Core clock speed686 MHz533 MHz
Boost clock speed686 MHz655 MHz
Number of transistors1,303 million2,410 million
Manufacturing process technology32 nm28 nm
Power consumption (TDP)35 Watt17 Watt
Texture fill rate16.466.396
Floating-point processing power0.5268 TFLOPS0.2047 TFLOPS
ROPs88
TMUs2412

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
InterfaceIGPIGP

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 SharedSystem Shared
Maximum RAM amountSystem SharedSystem Shared
Memory bus widthSystem SharedSystem Shared
Memory clock speedSystem SharedSystem Shared
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)12 (12_0)
Shader Model5.06.0
OpenGL4.44.6
OpenCL1.22.0
VulkanN/A1.2.131

Pros & cons summary


Recency 15 May 2012 17 September 2014
Chip lithography 32 nm 28 nm
Power consumption (TDP) 35 Watt 17 Watt

R4 Mobile Graphics has an age advantage of 2 years, a 14.3% more advanced lithography process, and 105.9% lower power consumption.

We couldn't decide between Radeon HD 7660G and Radeon R4 Mobile Graphics. 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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AMD Radeon HD 7660G
Radeon HD 7660G
AMD Radeon R4 Mobile Graphics
Radeon R4 Mobile Graphics

Comparisons with similar GPUs

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Community ratings

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3.2 133 votes

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2.1 53 votes

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Questions & comments

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