Radeon Vega 3 Efficient vs HD 6670A

Primary details

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

Place in performance rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureTeraScale 2 (2009−2015)GCN 5.0 (2017−2020)
GPU code nameTurksRaven
Market segmentDesktopDesktop
Release date19 April 2011 (13 years ago)26 May 2018 (5 years ago)
Current priceno data$562

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 cores480192
Core clock speed600 MHz300 MHz
Boost clock speedno data1000 MHz
Number of transistors716 million4,940 million
Manufacturing process technology40 nm14 nm
Power consumption (TDP)45 Watt15 Watt
Texture fill rate14.4012.00
Floating-point performance576.0 gflopsno data

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).

InterfaceMXM-A (3.0)IGP
WidthMXM ModuleIGP
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 typeGDDR5System Shared
Maximum RAM amount1 GBSystem Shared
Memory bus width128 BitSystem Shared
Memory clock speed4000 MHzSystem Shared
Memory bandwidth64 GB/sno 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 outputsNo outputs

API compatibility

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

DirectX11.2 (11_0)12 (12_1)
Shader Model5.06.4
OpenGL4.44.6
OpenCL1.22.0
VulkanN/A1.2.131

Pros & cons summary


Recency 19 April 2011 26 May 2018
Maximum RAM amount 1 GB System Shared
Chip lithography 40 nm 14 nm
Power consumption (TDP) 45 Watt 15 Watt

We couldn't decide between Radeon HD 6670A and Radeon Vega 3 Efficient. 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 6670A
Radeon HD 6670A
AMD Radeon Vega 3 Efficient
Radeon Vega 3 Efficient

Comparisons with similar GPUs

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Community ratings

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4.5 2 votes

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3.3 41 vote

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Questions & comments

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