Radeon HD 7670M vs ATI HD 4730

Primary details

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

Place in the rankingnot rated1046
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data0.02
Power efficiencyno data4.25
ArchitectureTeraScale (2005−2013)TeraScale 2 (2009−2015)
GPU code nameRV770Thames
Market segmentDesktopLaptop
Release date8 June 2009 (15 years ago)17 February 2012 (12 years ago)
Launch price (MSRP)$79 $629.99

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

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 Watt20 Watt
Texture fill rate24.0014.40
Floating-point processing power0.96 TFLOPS0.576 TFLOPS
ROPs816
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).

Laptop sizeno datamedium sized
InterfacePCIe 2.0 x16PCIe 2.0 x16
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 typeGDDR5DDR3
Maximum RAM amount512 MB2 GB
Memory bus width128 Bit128 Bit
Memory clock speed900 MHz900 MHz
Memory bandwidth57.6 GB/s28.8 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 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 17 February 2012
Maximum RAM amount 512 MB 2 GB
Chip lithography 55 nm 40 nm
Power consumption (TDP) 110 Watt 20 Watt

HD 7670M has an age advantage of 2 years, a 300% higher maximum VRAM amount, a 37.5% more advanced lithography process, and 450% lower power consumption.

We couldn't decide between Radeon HD 4730 and Radeon HD 7670M. We've got no test results to judge.

Be aware that Radeon HD 4730 is a desktop card while Radeon HD 7670M is a notebook one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


ATI Radeon HD 4730
Radeon HD 4730
AMD Radeon HD 7670M
Radeon HD 7670M

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.


4.1 27 votes

Rate Radeon HD 4730 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.3 384 votes

Rate Radeon HD 7670M on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.