Radeon R7 Graphics vs HD 7640G + HD 7670M Dual Graphics

Primary details

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

Place in the ranking955not rated
Place by popularitynot in top-100not in top-100
ArchitectureTerascale 3 (2010−2013)GCN 2.0 (2013−2017)
GPU code nameno dataSpectre
Market segmentLaptopDesktop
Release date15 May 2012 (12 years ago)11 January 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 cores736512
Core clock speed655 / 600 MHz720 MHz
Boost clock speedno data980 MHz
Number of transistorsno data2,410 million
Manufacturing process technology40 nm28 nm
Power consumption (TDP)no data15 Watt
Texture fill rateno data31.36
Floating-point processing powerno data1.004 TFLOPS
ROPsno data8
TMUsno data32

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
Interfaceno dataIGP
Widthno dataIGP

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 typeno dataSystem Shared
Maximum RAM amountno dataSystem Shared
Memory bus width128 BitSystem Shared
Memory clock speed1800 MHzSystem Shared
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 dataNo outputs

API compatibility

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

DirectX1112 (12_0)
Shader Modelno data6.0
OpenGLno data4.6
OpenCLno data2.0
Vulkan-1.2.131

Pros & cons summary


Recency 15 May 2012 11 January 2014
Chip lithography 40 nm 28 nm

R7 Graphics has an age advantage of 1 year, and a 42.9% more advanced lithography process.

We couldn't decide between Radeon HD 7640G + HD 7670M Dual Graphics and Radeon R7 Graphics. We've got no test results to judge.

Be aware that Radeon HD 7640G + HD 7670M Dual Graphics is a notebook card while Radeon R7 Graphics 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 7640G + HD 7670M Dual Graphics
Radeon HD 7640G + HD 7670M Dual Graphics
AMD Radeon R7 Graphics
Radeon R7 Graphics

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.


3.4 31 vote

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3.3 1381 vote

Rate Radeon R7 Graphics on a scale of 1 to 5:

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Questions & comments

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