Radeon HD 6750M Mac Edition vs GeForce 8400M GS

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Primary details

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

Place in the ranking1342not rated
Place by popularitynot in top-100not in top-100
Power efficiency1.75no data
ArchitectureTesla (2006−2010)TeraScale 2 (2009−2015)
GPU code nameG86Whistler
Market segmentLaptopLaptop
Release date9 May 2007 (17 years ago)18 April 2011 (13 years ago)
Launch price (MSRP)$14.99 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 cores16480
Core clock speed400 MHz598 MHz
Number of transistors210 million716 million
Manufacturing process technology80 nm40 nm
Power consumption (TDP)11 Watt35 Watt
Texture fill rate3.20014.35
Floating-point processing power0.0256 TFLOPS0.5741 TFLOPS
ROPs48
TMUs824

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-IMXM-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 typeDDR2GDDR5
Maximum RAM amount256 MB512 MB
Memory bus width64 Bit128 Bit
Memory clock speed400 MHz794 MHz
Memory bandwidth6.4 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.

DirectX11.1 (10_0)11.2 (11_0)
Shader Model4.05.0
OpenGL3.34.4
OpenCL1.11.2
VulkanN/AN/A
CUDA1.1-

Pros & cons summary


Recency 9 May 2007 18 April 2011
Maximum RAM amount 256 MB 512 MB
Chip lithography 80 nm 40 nm
Power consumption (TDP) 11 Watt 35 Watt

8400M GS has 218.2% lower power consumption.

HD 6750M Mac Edition, on the other hand, has an age advantage of 3 years, a 100% higher maximum VRAM amount, and a 100% more advanced lithography process.

We couldn't decide between GeForce 8400M GS 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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NVIDIA GeForce 8400M GS
GeForce 8400M GS
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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3.1 40 votes

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1.6 20 votes

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Questions & comments

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