Radeon HD 6670A vs R5 430 OEM

Primary details

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

Place in performance ranking809not rated
Place by popularitynot in top-100not in top-100
ArchitectureGCN 1.0 (2012−2020)TeraScale 2 (2009−2015)
GPU code nameOlandTurks
Market segmentDesktopDesktop
Release date30 June 2016 (8 years ago)19 April 2011 (13 years ago)

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores384480
Core clock speed730 MHz600 MHz
Boost clock speed780 MHzno data
Number of transistors950 million716 million
Manufacturing process technology28 nm40 nm
Power consumption (TDP)50 Watt45 Watt
Texture fill rate18.7214.40
Floating-point performance0.599 gflops0.576 gflops

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).

InterfacePCIe 3.0 x8MXM-A (3.0)
Width1-slotMXM Module
Supplementary power connectorsNoneno data

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 typeGDDR5GDDR5
Maximum RAM amount2 GB1 GB
Memory bus width64 Bit128 Bit
Memory clock speed4600 MHz4000 MHz
Memory bandwidth36.8 GB/s64 GB/s

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 Connectors1x DVI, 1x DisplayPortNo outputs

API compatibility

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

DirectX12 (11_1)11.2 (11_0)
Shader Model5.15.0
OpenGL4.64.4
OpenCL1.21.2
Vulkan1.2.131N/A

Pros & cons summary


Recency 30 June 2016 19 April 2011
Maximum RAM amount 2 GB 1 GB
Chip lithography 28 nm 40 nm
Power consumption (TDP) 50 Watt 45 Watt

R5 430 OEM has an age advantage of 5 years, a 100% higher maximum VRAM amount, and a 42.9% more advanced lithography process.

HD 6670A, on the other hand, has 11.1% lower power consumption.

We couldn't decide between Radeon R5 430 OEM and Radeon HD 6670A. 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 R5 430 OEM
Radeon R5 430 OEM
AMD Radeon HD 6670A
Radeon HD 6670A

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Community ratings

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4.2 343 votes

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Questions & comments

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