Radeon R5 430 OEM vs HD 6640G2

Primary details

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

Place in the rankingnot rated801
Place by popularitynot in top-100not in top-100
Power efficiencyno data3.71
ArchitectureTerascale 2 (2009−2015)GCN 1.0 (2011−2020)
GPU code nameno dataOland
Market segmentLaptopDesktop
Release date14 June 2011 (13 years ago)30 June 2016 (8 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 cores560384
Core clock speedno data730 MHz
Boost clock speedno data780 MHz
Number of transistorsno data950 million
Manufacturing process technology40 nm28 nm
Power consumption (TDP)no data50 Watt
Texture fill rateno data18.72
Floating-point processing powerno data0.599 TFLOPS
ROPsno data8
TMUsno data24

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 dataPCIe 3.0 x8
Widthno data1-slot
Supplementary power connectorsno dataNone

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 dataGDDR5
Maximum RAM amountno data2 GB
Memory bus widthno data64 Bit
Memory clock speedno data1150 MHz
Memory bandwidthno data36.8 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 data1x DVI, 1x DisplayPort

API compatibility

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

DirectX1112 (11_1)
Shader Modelno data5.1
OpenGLno data4.6
OpenCLno data1.2
Vulkan-1.2.131

Pros & cons summary


Recency 14 June 2011 30 June 2016
Chip lithography 40 nm 28 nm

R5 430 OEM has an age advantage of 5 years, and a 42.9% more advanced lithography process.

We couldn't decide between Radeon HD 6640G2 and Radeon R5 430 OEM. We've got no test results to judge.

Be aware that Radeon HD 6640G2 is a notebook card while Radeon R5 430 OEM 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 6640G2
Radeon HD 6640G2
AMD Radeon R5 430 OEM
Radeon R5 430 OEM

Comparisons with similar GPUs

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Community ratings

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Questions & comments

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