Radeon HD 6750M Mac Edition vs ATI Mobility HD 4670

Primary details

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

Place in the ranking1047not rated
Place by popularitynot in top-100not in top-100
Power efficiency2.37no data
ArchitectureTeraScale (2005−2013)TeraScale 2 (2009−2015)
GPU code nameM96Whistler
Market segmentLaptopLaptop
Release date9 January 2009 (15 years ago)18 April 2011 (13 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 cores320480
Core clock speed675 MHz598 MHz
Number of transistors514 million716 million
Manufacturing process technology55 nm40 nm
Power consumption (TDP)35 Watt35 Watt
Texture fill rate21.6014.35
Floating-point processing power0.432 TFLOPS0.5741 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).

Laptop sizemedium sizedno data
InterfaceMXM-A (3.0)MXM-A (3.0)

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 typeGDDR3GDDR5
Maximum RAM amount512 MB512 MB
Memory bus width128 Bit128 Bit
Memory clock speed800 MHz794 MHz
Memory bandwidth25.6 GB/s50.82 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 outputsNo 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 9 January 2009 18 April 2011
Chip lithography 55 nm 40 nm

HD 6750M Mac Edition has an age advantage of 2 years, and a 37.5% more advanced lithography process.

We couldn't decide between Mobility Radeon HD 4670 and Radeon HD 6750M Mac Edition. 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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ATI Mobility Radeon HD 4670
Mobility Radeon HD 4670
AMD Radeon HD 6750M Mac Edition
Radeon HD 6750M Mac Edition

Comparisons with similar GPUs

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Community ratings

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3.9 13 votes

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1.6 20 votes

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Questions & comments

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