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GeForce 8600 GT 512MB DDR2 vs GeForce GTX 260 Core 216

Intro

The GeForce 8600 GT 512MB DDR2 comes with a GPU core clock speed of 540 MHz, and the 512 MB of DDR2 RAM runs at 400 MHz through a 128-bit bus. It also features 32 SPUs, 16 TAUs, and 8 ROPs.

Compare that to the GeForce GTX 260 Core 216, which uses a 65 nm design. nVidia has clocked the core frequency at 576 MHz. The GDDR3 memory works at a frequency of 999 MHz on this model. It features 216 SPUs as well as 72 TAUs and 28 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8600 GT 512MB DDR2 47 Watts
GeForce GTX 260 Core 216 202 Watts
Difference: 155 Watts (330%)

Memory Bandwidth

Performance-wise, the GeForce GTX 260 Core 216 should in theory be much superior to the GeForce 8600 GT 512MB DDR2 in general. (explain)

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

Texel Rate

The GeForce GTX 260 Core 216 should be a lot (about 380%) faster with regards to AF than the GeForce 8600 GT 512MB DDR2. (explain)

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

Pixel Rate

The GeForce GTX 260 Core 216 should be quite a bit (approximately 273%) better at AA than the GeForce 8600 GT 512MB DDR2, and capable of handling higher resolutions without losing too much performance. (explain)

GeForce GTX 260 Core 216 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

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GeForce GTX 260 Core 216

Amazon.com

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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 Core 216
Manufacturer nVidia nVidia
Year April 2007 September 16, 2008
Code Name G84 G200
Memory 512 MB 896 MB
Core Speed 540 MHz 576 MHz
Memory Speed 800 MHz 1998 MHz
Power (Max TDP) 47 watts 202 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 65 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 maximum amount of information (measured in MB per second) that can be moved over the external memory interface within a second. It's worked out by multiplying the card's bus width by its memory speed. If it uses DDR type RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

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GeForce 8600 GT 512MB DDR2

Amazon.com

Check prices at:

GeForce GTX 260 Core 216

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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