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GeForce 8600 GT 512MB DDR2 vs GeForce 8600 GTS

Intro

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

Compare those specifications to the GeForce 8600 GTS, which comes with GPU core speed of 675 MHz, and 512 MB of GDDR3 memory set to run at 1000 MHz through a 128-bit bus. It also is comprised of 32 SPUs, 16 TAUs, and 8 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

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

Memory Bandwidth

In theory, the GeForce 8600 GTS should perform quite a bit faster than the GeForce 8600 GT 512MB DDR2 in general. (explain)

GeForce 8600 GTS 32000 MB/sec
GeForce 8600 GT 512MB DDR2 12800 MB/sec
Difference: 19200 (150%)

Texel Rate

The GeForce 8600 GTS is quite a bit (more or less 25%) better at texture filtering than the GeForce 8600 GT 512MB DDR2. (explain)

GeForce 8600 GTS 10800 Mtexels/sec
GeForce 8600 GT 512MB DDR2 8640 Mtexels/sec
Difference: 2160 (25%)

Pixel Rate

If running with a high resolution is important to you, then the GeForce 8600 GTS is a better choice, and very much so. (explain)

GeForce 8600 GTS 5400 Mpixels/sec
GeForce 8600 GT 512MB DDR2 4320 Mpixels/sec
Difference: 1080 (25%)

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 8600 GTS

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 8600 GTS
Manufacturer nVidia nVidia
Year April 2007 April 2007
Code Name G84 G84
Memory 512 MB 512 MB
Core Speed 540 MHz 675 MHz
Memory Speed 800 MHz 2000 MHz
Power (Max TDP) 47 watts 75 watts
Bandwidth 12800 MB/sec 32000 MB/sec
Texel Rate 8640 Mtexels/sec 10800 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 5400 Mpixels/sec
Unified Shaders 32 32
Texture Mapping Units 16 16
Render Output Units 8 8
Bus Type DDR2 GDDR3
Bus Width 128-bit 128-bit
Fab Process 80 nm 80 nm
Transistors 289 million 289 million
Bus PCIe x16 PCIe x16
DirectX Version DirectX 10 DirectX 10
OpenGL Version OpenGL 3.0 OpenGL 3.0

Memory Bandwidth: Memory bandwidth is the maximum amount of data (measured in MB per second) that can be moved across the external memory interface in one second. It's worked out by multiplying the interface width by the speed of its memory. If it uses DDR memory, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's 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 applied per second. This is worked out by multiplying the total number of texture units by the core speed of the chip. The higher this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

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

Display Prices

Hide Prices

GeForce 8600 GT 512MB DDR2

Amazon.com

Check prices at:

GeForce 8600 GTS

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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