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GeForce 8600 GTS vs GeForce 9600 GSO 768MB

Intro

The GeForce 8600 GTS comes with a GPU core clock speed of 675 MHz, and the 512 MB of GDDR3 memory is set to run at 1000 MHz through a 128-bit bus. It also features 32 Stream Processors, 16 Texture Address Units, and 8 Raster Operation Units.

Compare that to the GeForce 9600 GSO 768MB, which makes use of a 65 nm design. nVidia has clocked the core speed at 550 MHz. The GDDR3 memory runs at a speed of 800 MHz on this card. It features 96 SPUs along with 48 TAUs and 12 Rasterization Operator 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

Performance-wise, the GeForce 9600 GSO 768MB should theoretically be a small bit better than the GeForce 8600 GTS in general. (explain)

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

Texel Rate

The GeForce 9600 GSO 768MB should be a lot (approximately 144%) more effective at anisotropic filtering 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 running with lots of anti-aliasing is important to you, then the GeForce 9600 GSO 768MB is a better choice, 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: Memory bandwidth is the max amount of information (in units of MB per second) that can be moved past the external memory interface within a second. It's calculated by multiplying the interface width by the speed of its memory. If the card has DDR memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be 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 video 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 maximum number of pixels that the graphics chip can possibly record to its local memory in one second - measured in millions of pixels per second. The figure is worked out 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 outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - 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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