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GeForce 8600 GT 512MB DDR2 vs GeForce GTX 260 216SP 55 nm

Intro

The GeForce 8600 GT 512MB DDR2 comes with a GPU clock speed of 540 MHz, and the 512 MB of DDR2 memory is set to run at 400 MHz through a 128-bit bus. It also features 32 Stream Processors, 16 Texture Address Units, and 8 ROPs.

Compare that to the GeForce GTX 260 216SP 55 nm, which comes with GPU core speed of 576 MHz, and 896 MB of GDDR3 memory set to run at 999 MHz through a 448-bit bus. It also features 216 SPUs, 72 Texture Address Units, and 28 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8600 GT 512MB DDR2 47 Watts
GeForce GTX 260 216SP 55 nm 171 Watts
Difference: 124 Watts (264%)

Memory Bandwidth

Performance-wise, the GeForce GTX 260 216SP 55 nm should theoretically be much superior to the GeForce 8600 GT 512MB DDR2 overall. (explain)

GeForce GTX 260 216SP 55 nm 111888 MB/sec
GeForce 8600 GT 512MB DDR2 12800 MB/sec
Difference: 99088 (774%)

Texel Rate

The GeForce GTX 260 216SP 55 nm is quite a bit (more or less 380%) faster with regards to AF than the GeForce 8600 GT 512MB DDR2. (explain)

GeForce GTX 260 216SP 55 nm 41472 Mtexels/sec
GeForce 8600 GT 512MB DDR2 8640 Mtexels/sec
Difference: 32832 (380%)

Pixel Rate

The GeForce GTX 260 216SP 55 nm will be much (about 273%) better at full screen anti-aliasing than the GeForce 8600 GT 512MB DDR2, and should be capable of handling higher resolutions without losing too much performance. (explain)

GeForce GTX 260 216SP 55 nm 16128 Mpixels/sec
GeForce 8600 GT 512MB DDR2 4320 Mpixels/sec
Difference: 11808 (273%)

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 512MB DDR2

Amazon.com

Check prices at:

GeForce GTX 260 216SP 55 nm

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 512MB DDR2 GeForce GTX 260 216SP 55 nm
Manufacturer nVidia nVidia
Year April 2007 December 22, 2008
Code Name G84 G200b
Memory 512 MB 896 MB
Core Speed 540 MHz 576 MHz
Memory Speed 800 MHz 1998 MHz
Power (Max TDP) 47 watts 171 watts
Bandwidth 12800 MB/sec 111888 MB/sec
Texel Rate 8640 Mtexels/sec 41472 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 16128 Mpixels/sec
Unified Shaders 32 216
Texture Mapping Units 16 72
Render Output Units 8 28
Bus Type DDR2 GDDR3
Bus Width 128-bit 448-bit
Fab Process 80 nm 55 nm
Transistors 289 million 1400 million
Bus PCIe x16 PCIe x16 2.0
DirectX Version DirectX 10 DirectX 10
OpenGL Version OpenGL 3.0 OpenGL 3.1

Memory Bandwidth: Memory bandwidth is the max amount of information (in units of MB per second) that can be transported across the external memory interface in a second. It is worked out by multiplying the interface width by its memory speed. In the case of DDR memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range 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 is calculated by multiplying the total number of texture units of the card by the core clock speed of the chip. The higher this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly write to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number 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 rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce 8600 GT 512MB DDR2

Amazon.com

Check prices at:

GeForce GTX 260 216SP 55 nm

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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