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GeForce 8800 GT 512MB vs GeForce 9600 GSO 768MB

Intro

The GeForce 8800 GT 512MB uses a 65 nm design. nVidia has clocked the core frequency at 600 MHz. The GDDR3 memory is set to run at a speed of 900 MHz on this particular model. It features 112 SPUs as well as 56 Texture Address Units and 16 ROPs.

Compare those specs to the GeForce 9600 GSO 768MB, which comes with GPU core speed of 550 MHz, and 768 MB of GDDR3 memory running at 800 MHz through a 192-bit bus. It also features 96 SPUs, 48 TAUs, and 12 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9600 GSO 768MB 84 Watts
GeForce 8800 GT 512MB 105 Watts
Difference: 21 Watts (25%)

Memory Bandwidth

The GeForce 8800 GT 512MB should in theory perform quite a bit faster than the GeForce 9600 GSO 768MB overall. (explain)

GeForce 8800 GT 512MB 57600 MB/sec
GeForce 9600 GSO 768MB 38400 MB/sec
Difference: 19200 (50%)

Texel Rate

The GeForce 8800 GT 512MB is quite a bit (about 27%) better at anisotropic filtering than the GeForce 9600 GSO 768MB. (explain)

GeForce 8800 GT 512MB 33600 Mtexels/sec
GeForce 9600 GSO 768MB 26400 Mtexels/sec
Difference: 7200 (27%)

Pixel Rate

The GeForce 8800 GT 512MB is quite a bit (about 45%) faster with regards to anti-aliasing than the GeForce 9600 GSO 768MB, and also capable of handling higher screen resolutions without slowing down too much. (explain)

GeForce 8800 GT 512MB 9600 Mpixels/sec
GeForce 9600 GSO 768MB 6600 Mpixels/sec
Difference: 3000 (45%)

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 8800 GT 512MB

Amazon.com

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GeForce 9600 GSO 768MB

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 8800 GT 512MB GeForce 9600 GSO 768MB
Manufacturer nVidia nVidia
Year Oct 2007 May 2008
Code Name G92 G92
Memory 512 MB 768 MB
Core Speed 600 MHz 550 MHz
Memory Speed 1800 MHz 1600 MHz
Power (Max TDP) 105 watts 84 watts
Bandwidth 57600 MB/sec 38400 MB/sec
Texel Rate 33600 Mtexels/sec 26400 Mtexels/sec
Pixel Rate 9600 Mpixels/sec 6600 Mpixels/sec
Unified Shaders 112 96
Texture Mapping Units 56 48
Render Output Units 16 12
Bus Type GDDR3 GDDR3
Bus Width 256-bit 192-bit
Fab Process 65 nm 65 nm
Transistors 754 million 754 million
Bus PCIe x16 2.0 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 (measured in megabytes per second) that can be moved past the external memory interface within a second. It's calculated by multiplying the bus width by its memory speed. In the case of DDR RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed per second. This number is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The better this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

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

Display Prices

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GeForce 8800 GT 512MB

Amazon.com

Check prices at:

GeForce 9600 GSO 768MB

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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