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GeForce 9400 GT 256MB vs GeForce 9600 GSO ASUS 512

Intro

The GeForce 9400 GT 256MB comes with core speeds of 550 MHz on the GPU, and 400 MHz on the 256 MB of GDDR2 RAM. It features 16 SPUs along with 8 Texture Address Units and 4 ROPs.

Compare all that to the GeForce 9600 GSO ASUS 512, which comes with GPU clock speed of 550 MHz, and 512 MB of DDR2 RAM set to run at 500 MHz through a 128-bit bus. It also features 96 Stream Processors, 48 Texture Address Units, and 12 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9400 GT 256MB 50 Watts
GeForce 9600 GSO ASUS 512 84 Watts
Difference: 34 Watts (68%)

Memory Bandwidth

Theoretically, the GeForce 9600 GSO ASUS 512 should perform quite a bit faster than the GeForce 9400 GT 256MB in general. (explain)

GeForce 9600 GSO ASUS 512 16000 MB/sec
GeForce 9400 GT 256MB 12800 MB/sec
Difference: 3200 (25%)

Texel Rate

The GeForce 9600 GSO ASUS 512 is much (more or less 500%) faster with regards to texture filtering than the GeForce 9400 GT 256MB. (explain)

GeForce 9600 GSO ASUS 512 26400 Mtexels/sec
GeForce 9400 GT 256MB 4400 Mtexels/sec
Difference: 22000 (500%)

Pixel Rate

The GeForce 9600 GSO ASUS 512 will be quite a bit (approximately 200%) faster with regards to AA than the GeForce 9400 GT 256MB, and should be able to handle higher resolutions better. (explain)

GeForce 9600 GSO ASUS 512 6600 Mpixels/sec
GeForce 9400 GT 256MB 2200 Mpixels/sec
Difference: 4400 (200%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

Price Comparison

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GeForce 9400 GT 256MB

Amazon.com

Check prices at:

GeForce 9600 GSO ASUS 512

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model GeForce 9400 GT 256MB GeForce 9600 GSO ASUS 512
Manufacturer nVidia nVidia
Year August 2008 September 2008
Code Name G96a G92
Memory 256 MB 512 MB
Core Speed 550 MHz 550 MHz
Memory Speed 800 MHz 1000 MHz
Power (Max TDP) 50 watts 84 watts
Bandwidth 12800 MB/sec 16000 MB/sec
Texel Rate 4400 Mtexels/sec 26400 Mtexels/sec
Pixel Rate 2200 Mpixels/sec 6600 Mpixels/sec
Unified Shaders 16 96
Texture Mapping Units 8 48
Render Output Units 4 12
Bus Type GDDR2 DDR2
Bus Width 128-bit 128-bit
Fab Process 65 nm 65 nm
Transistors 314 million 754 million
Bus PCIe x16 2.0, PCI PCIe x16 2.0
DirectX Version DirectX 10 DirectX 10
OpenGL Version OpenGL 3.0 OpenGL 3.0

Memory Bandwidth: Memory bandwidth is the max amount of data (in units of megabytes per second) that can be moved over the external memory interface in one second. It's worked out by multiplying the card's bus width by the speed of its memory. If it uses DDR type RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied per second. This figure is calculated by multiplying the total amount of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly write to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

GeForce 9400 GT 256MB

Amazon.com

Check prices at:

GeForce 9600 GSO ASUS 512

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

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