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GeForce 8600 GT 512MB DDR2 vs Geforce GTX 670

Intro

The GeForce 8600 GT 512MB DDR2 has 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 is comprised of 32 SPUs, 16 Texture Address Units, and 8 Raster Operation Units.

Compare those specifications to the Geforce GTX 670, which has a clock frequency of 915 MHz and a GDDR5 memory speed of 1500 MHz. It also uses a 256-bit bus, and uses a 28 nm design. It is made up of 1344 SPUs, 112 Texture Address Units, and 32 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8600 GT 512MB DDR2 47 Watts
Geforce GTX 670 170 Watts
Difference: 123 Watts (262%)

Memory Bandwidth

Performance-wise, the Geforce GTX 670 should in theory be a lot superior to the GeForce 8600 GT 512MB DDR2 in general. (explain)

Geforce GTX 670 192000 MB/sec
GeForce 8600 GT 512MB DDR2 12800 MB/sec
Difference: 179200 (1400%)

Texel Rate

The Geforce GTX 670 is much (about 1086%) more effective at AF than the GeForce 8600 GT 512MB DDR2. (explain)

Geforce GTX 670 102480 Mtexels/sec
GeForce 8600 GT 512MB DDR2 8640 Mtexels/sec
Difference: 93840 (1086%)

Pixel Rate

If running with high levels of AA is important to you, then the Geforce GTX 670 is the winner, by far. (explain)

Geforce GTX 670 29280 Mpixels/sec
GeForce 8600 GT 512MB DDR2 4320 Mpixels/sec
Difference: 24960 (578%)

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 670

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 670
Manufacturer nVidia nVidia
Year April 2007 May 2012
Code Name G84 GK104
Memory 512 MB 2048 MB
Core Speed 540 MHz 915 MHz
Memory Speed 800 MHz 6000 MHz
Power (Max TDP) 47 watts 170 watts
Bandwidth 12800 MB/sec 192000 MB/sec
Texel Rate 8640 Mtexels/sec 102480 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 29280 Mpixels/sec
Unified Shaders 32 1344
Texture Mapping Units 16 112
Render Output Units 8 32
Bus Type DDR2 GDDR5
Bus Width 128-bit 256-bit
Fab Process 80 nm 28 nm
Transistors 289 million 3540 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 11.0
OpenGL Version OpenGL 3.0 OpenGL 4.2

Memory Bandwidth: Bandwidth is the maximum amount of information (counted in megabytes per second) that can be transferred past the external memory interface in one second. The number is calculated by multiplying the card's interface width by its memory clock speed. If it uses DDR type RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly write to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also 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, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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GeForce 8600 GT 512MB DDR2

Amazon.com

Check prices at:

Geforce GTX 670

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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