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GeForce 8600 GTS vs GeForce 9600 GSO 768MB

Intro

The GeForce 8600 GTS makes use of a 80 nm design. nVidia has set the core frequency at 675 MHz. The GDDR3 RAM is set to run at a frequency of 1000 MHz on this particular card. It features 32 SPUs as well as 16 Texture Address Units and 8 Rasterization Operator Units.

Compare all of that to the GeForce 9600 GSO 768MB, which comes with a core clock frequency of 550 MHz and a GDDR3 memory speed of 800 MHz. It also makes use of a 192-bit bus, and uses a 65 nm design. It is made up of 96 SPUs, 48 Texture Address Units, and 12 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8600 GTS 75 Watts
GeForce 9600 GSO 768MB 84 Watts
Difference: 9 Watts (12%)

Memory Bandwidth

Theoretically speaking, the GeForce 9600 GSO 768MB will be 20% faster than the GeForce 8600 GTS overall, because of its higher data rate. (explain)

GeForce 9600 GSO 768MB 38400 MB/sec
GeForce 8600 GTS 32000 MB/sec
Difference: 6400 (20%)

Texel Rate

The GeForce 9600 GSO 768MB is much (about 144%) faster with regards to AF than the GeForce 8600 GTS. (explain)

GeForce 9600 GSO 768MB 26400 Mtexels/sec
GeForce 8600 GTS 10800 Mtexels/sec
Difference: 15600 (144%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce 9600 GSO 768MB is the winner, by a large margin. (explain)

GeForce 9600 GSO 768MB 6600 Mpixels/sec
GeForce 8600 GTS 5400 Mpixels/sec
Difference: 1200 (22%)

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 8600 GTS

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.

Specifications

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Model GeForce 8600 GTS GeForce 9600 GSO 768MB
Manufacturer nVidia nVidia
Year April 2007 May 2008
Code Name G84 G92
Memory 512 MB 768 MB
Core Speed 675 MHz 550 MHz
Memory Speed 2000 MHz 1600 MHz
Power (Max TDP) 75 watts 84 watts
Bandwidth 32000 MB/sec 38400 MB/sec
Texel Rate 10800 Mtexels/sec 26400 Mtexels/sec
Pixel Rate 5400 Mpixels/sec 6600 Mpixels/sec
Unified Shaders 32 96
Texture Mapping Units 16 48
Render Output Units 8 12
Bus Type GDDR3 GDDR3
Bus Width 128-bit 192-bit
Fab Process 80 nm 65 nm
Transistors 289 million 754 million
Bus PCIe x16 PCIe x16 2.0
DirectX Version DirectX 10 DirectX 10
OpenGL Version OpenGL 3.0 OpenGL 3.0

Memory Bandwidth: Bandwidth is the largest amount of data (measured in megabytes per second) that can be transferred past the external memory interface in a second. It's calculated by multiplying the bus width by its memory clock speed. If it uses DDR RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed per second. This is calculated by multiplying the total amount of texture units by the core clock 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 video card could possibly write to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce 8600 GTS

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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