Radeon HD 6670A vs ATI HD 4730

Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureTeraScale (2005−2013)TeraScale 2 (2009−2015)
GPU code nameRV770Turks
Market segmentDesktopLaptop
Release date8 June 2009 (15 years ago)19 April 2011 (13 years ago)
Launch price (MSRP)$79 no data

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 cores640480
Core clock speed750 MHz600 MHz
Number of transistors956 million716 million
Manufacturing process technology55 nm40 nm
Power consumption (TDP)110 Watt45 Watt
Texture fill rate24.0014.40
Floating-point processing power0.96 TFLOPS0.576 TFLOPS
ROPs88
TMUs3224

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 2.0 x16MXM-A (3.0)
Length241 mmno data
Width2-slotno data
Supplementary power connectors1x 6-pinno 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 amount512 MB1 GB
Memory bus width128 Bit128 Bit
Memory clock speed900 MHz1000 MHz
Memory bandwidth57.6 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 Connectors2x DVI, 1x S-VideoNo outputs

API compatibility

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

DirectX10.1 (10_1)11.2 (11_0)
Shader Model4.15.0
OpenGL3.34.4
OpenCL1.11.2
VulkanN/AN/A

Pros & cons summary


Recency 8 June 2009 19 April 2011
Maximum RAM amount 512 MB 1 GB
Chip lithography 55 nm 40 nm
Power consumption (TDP) 110 Watt 45 Watt

HD 6670A has an age advantage of 1 year, a 100% higher maximum VRAM amount, a 37.5% more advanced lithography process, and 144.4% lower power consumption.

We couldn't decide between Radeon HD 4730 and Radeon HD 6670A. We've got no test results to judge.

Be aware that Radeon HD 4730 is a desktop card while Radeon HD 6670A is a notebook 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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ATI Radeon HD 4730
Radeon HD 4730
AMD Radeon HD 6670A
Radeon HD 6670A

Comparisons with similar GPUs

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Community ratings

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4.1 27 votes

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4.5 2 votes

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Questions & comments

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