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GeForce 9600 GSO ASUS 512 vs GeForce GT 640 DDR3

Intro

The GeForce 9600 GSO ASUS 512 comes with a core clock frequency of 550 MHz and a DDR2 memory frequency of 500 MHz. It also features a 128-bit bus, and uses a 65 nm design. It features 96 SPUs, 48 TAUs, and 12 ROPs.

Compare all that to the GeForce GT 640 DDR3, which comes with a core clock speed of 900 MHz and a DDR3 memory frequency of 1782 MHz. It also uses a 128-bit memory bus, and uses a 28 nm design. It features 384 SPUs, 32 Texture Address Units, and 16 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 640 DDR3 65 Watts
GeForce 9600 GSO ASUS 512 84 Watts
Difference: 19 Watts (29%)

Memory Bandwidth

The GeForce GT 640 DDR3 should theoretically perform a lot faster than the GeForce 9600 GSO ASUS 512 in general. (explain)

GeForce GT 640 DDR3 57024 MB/sec
GeForce 9600 GSO ASUS 512 16000 MB/sec
Difference: 41024 (256%)

Texel Rate

The GeForce GT 640 DDR3 is just a bit (more or less 9%) faster with regards to texture filtering than the GeForce 9600 GSO ASUS 512. (explain)

GeForce GT 640 DDR3 28800 Mtexels/sec
GeForce 9600 GSO ASUS 512 26400 Mtexels/sec
Difference: 2400 (9%)

Pixel Rate

The GeForce GT 640 DDR3 should be quite a bit (about 118%) faster with regards to anti-aliasing than the GeForce 9600 GSO ASUS 512, and also able to handle higher resolutions without slowing down too much. (explain)

GeForce GT 640 DDR3 14400 Mpixels/sec
GeForce 9600 GSO ASUS 512 6600 Mpixels/sec
Difference: 7800 (118%)

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 9600 GSO ASUS 512

Amazon.com

Check prices at:

GeForce GT 640 DDR3

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 9600 GSO ASUS 512 GeForce GT 640 DDR3
Manufacturer nVidia nVidia
Year September 2008 June 2012
Code Name G92 GK107
Memory 512 MB 2048 MB
Core Speed 550 MHz 900 MHz
Memory Speed 1000 MHz 3564 MHz
Power (Max TDP) 84 watts 65 watts
Bandwidth 16000 MB/sec 57024 MB/sec
Texel Rate 26400 Mtexels/sec 28800 Mtexels/sec
Pixel Rate 6600 Mpixels/sec 14400 Mpixels/sec
Unified Shaders 96 384
Texture Mapping Units 48 32
Render Output Units 12 16
Bus Type DDR2 DDR3
Bus Width 128-bit 128-bit
Fab Process 65 nm 28 nm
Transistors 754 million 1300 million
Bus PCIe x16 2.0 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 11.0
OpenGL Version OpenGL 3.0 OpenGL 4.2

Memory Bandwidth: Bandwidth is the maximum amount of data (measured in megabytes per second) that can be moved past the external memory interface in a second. It is calculated by multiplying the card's interface width by its memory clock speed. If it uses DDR type RAM, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied in one second. This number is worked out by multiplying the total texture units of the card by the core speed of the chip. The higher this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

GeForce 9600 GSO ASUS 512

Amazon.com

Check prices at:

GeForce GT 640 DDR3

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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