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GeForce 8600 GT 512MB DDR2 vs GeForce GT 130

Intro

The GeForce 8600 GT 512MB DDR2 comes with clock speeds of 540 MHz on the GPU, and 400 MHz on the 512 MB of DDR2 RAM. It features 32 SPUs along with 16 TAUs and 8 ROPs.

Compare that to the GeForce GT 130, which features GPU core speed of 500 MHz, and 768 MB of DDR2 RAM set to run at 250 MHz through a 192-bit bus. It also features 48 Stream Processors, 24 TAUs, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8600 GT 512MB DDR2 47 Watts
GeForce GT 130 75 Watts
Difference: 28 Watts (60%)

Memory Bandwidth

In theory, the GeForce 8600 GT 512MB DDR2 should be a small bit faster than the GeForce GT 130 overall. (explain)

GeForce 8600 GT 512MB DDR2 12800 MB/sec
GeForce GT 130 12000 MB/sec
Difference: 800 (7%)

Texel Rate

The GeForce GT 130 will be a lot (about 39%) better at texture filtering than the GeForce 8600 GT 512MB DDR2. (explain)

GeForce GT 130 12000 Mtexels/sec
GeForce 8600 GT 512MB DDR2 8640 Mtexels/sec
Difference: 3360 (39%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce GT 130 is the winner, by a large margin. (explain)

GeForce GT 130 8000 Mpixels/sec
GeForce 8600 GT 512MB DDR2 4320 Mpixels/sec
Difference: 3680 (85%)

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 GT 130

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 GT 130
Manufacturer nVidia nVidia
Year April 2007 March 10, 2009
Code Name G84 G94b
Memory 512 MB 768 MB
Core Speed 540 MHz 500 MHz
Memory Speed 800 MHz 500 MHz
Power (Max TDP) 47 watts 75 watts
Bandwidth 12800 MB/sec 12000 MB/sec
Texel Rate 8640 Mtexels/sec 12000 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 8000 Mpixels/sec
Unified Shaders 32 48
Texture Mapping Units 16 24
Render Output Units 8 16
Bus Type DDR2 DDR2
Bus Width 128-bit 192-bit
Fab Process 80 nm 55 nm
Transistors 289 million 505 million
Bus PCIe x16 PCIe x16 2.0
DirectX Version DirectX 10 DirectX 10
OpenGL Version OpenGL 3.0 OpenGL 3.0

Memory Bandwidth: Bandwidth is the maximum amount of data (counted in megabytes per second) that can be moved across the external memory interface in a second. It's worked out by multiplying the card's interface width by its memory clock speed. In the case of DDR type memory, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better 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 applied per second. This 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 graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly write to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of 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 is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

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GeForce 8600 GT 512MB DDR2

Amazon.com

Check prices at:

GeForce GT 130

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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