Radeon HD 6750M Mac Edition vs GeForce 9400 GT PCI

Primary details

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

Place in performance ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Architecture	Tesla (2006−2010)	TeraScale 2 (2009−2015)
GPU code name	G96C	Whistler
Market segment	Desktop	Desktop
Release date	27 August 2008 (15 years ago)	18 April 2011 (13 years ago)
Current price	$136	$180

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 cores	16	480
Core clock speed	550 MHz	598 MHz
Number of transistors	314 million	716 million
Manufacturing process technology	55 nm	40 nm
Power consumption (TDP)	50 Watt	35 Watt
Texture fill rate	4.400	14.35
Floating-point performance	44.8 gflops	574.1 gflops

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).

Interface	PCI	MXM-A (3.0)
Length	168 mm	no data
Width	1-slot	MXM Module
Supplementary power connectors	None	no data

Memory type	DDR2	GDDR5
Maximum RAM amount	256 MB	512 MB
Memory bus width	128 Bit	128 Bit
Memory clock speed	800 MHz	3176 MHz
Memory bandwidth	12.8 GB/s	50.82 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 Connectors

1x DVI, 1x VGA, 1x S-Video

No outputs

API compatibility

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

DirectX	11.1 (10_0)	11.2 (11_0)
Shader Model	4.0	5.0
OpenGL	3.3	4.4
OpenCL	1.1	1.2
Vulkan	N/A	N/A
CUDA	1.1	no data

Pros & cons summary

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Recency	27 August 2008	18 April 2011
Maximum RAM amount	256 MB	512 MB
Chip lithography	55 nm	40 nm
Power consumption (TDP)	50 Watt	35 Watt

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