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GeForce 8600 GT 1GB DDR2 vs GeForce 9600 GSO 768MB

Intro

The GeForce 8600 GT 1GB DDR2 comes with a core clock frequency of 540 MHz and a DDR2 memory frequency of 400 MHz. It also features a 128-bit bus, and makes use of a 80 nm design. It is made up of 32 SPUs, 16 TAUs, and 8 Raster Operation Units.

Compare those specs to the GeForce 9600 GSO 768MB, which features a core clock frequency of 550 MHz and a GDDR3 memory speed of 800 MHz. It also makes use of a 192-bit memory bus, and uses a 65 nm design. It is comprised of 96 SPUs, 48 Texture Address Units, and 12 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8600 GT 1GB DDR2 47 Watts
GeForce 9600 GSO 768MB 84 Watts
Difference: 37 Watts (79%)

Memory Bandwidth

Performance-wise, the GeForce 9600 GSO 768MB should in theory be quite a bit superior to the GeForce 8600 GT 1GB DDR2 in general. (explain)

GeForce 9600 GSO 768MB 38400 MB/sec
GeForce 8600 GT 1GB DDR2 12800 MB/sec
Difference: 25600 (200%)

Texel Rate

The GeForce 9600 GSO 768MB will be much (about 206%) faster with regards to texture filtering than the GeForce 8600 GT 1GB DDR2. (explain)

GeForce 9600 GSO 768MB 26400 Mtexels/sec
GeForce 8600 GT 1GB DDR2 8640 Mtexels/sec
Difference: 17760 (206%)

Pixel Rate

The GeForce 9600 GSO 768MB is much (about 53%) faster with regards to FSAA than the GeForce 8600 GT 1GB DDR2, and should be capable of handling higher resolutions more effectively. (explain)

GeForce 9600 GSO 768MB 6600 Mpixels/sec
GeForce 8600 GT 1GB DDR2 4320 Mpixels/sec
Difference: 2280 (53%)

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 GT 1GB DDR2

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 GT 1GB DDR2 GeForce 9600 GSO 768MB
Manufacturer nVidia nVidia
Year April 2007 May 2008
Code Name G84 G92
Memory 1024 MB 768 MB
Core Speed 540 MHz 550 MHz
Memory Speed 800 MHz 1600 MHz
Power (Max TDP) 47 watts 84 watts
Bandwidth 12800 MB/sec 38400 MB/sec
Texel Rate 8640 Mtexels/sec 26400 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 6600 Mpixels/sec
Unified Shaders 32 96
Texture Mapping Units 16 48
Render Output Units 8 12
Bus Type DDR2 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 (measured in MB 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 speed. If it uses DDR memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly write to the local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on lots of other factors, especially 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 GT 1GB DDR2

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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