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GeForce 8600 GTS vs GeForce 9500 GT 512MB GDDR3

Intro

The GeForce 8600 GTS makes use of a 80 nm design. nVidia has set the core frequency at 675 MHz. The GDDR3 RAM works at a speed of 1000 MHz on this particular card. It features 32 SPUs along with 16 Texture Address Units and 8 ROPs.

Compare those specs to the GeForce 9500 GT 512MB GDDR3, which uses a 55 nm design. nVidia has clocked the core speed at 550 MHz. The GDDR3 RAM runs at a speed of 800 MHz on this specific card. It features 32 SPUs along with 16 TAUs and 8 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9500 GT 512MB GDDR3 50 Watts
GeForce 8600 GTS 75 Watts
Difference: 25 Watts (50%)

Memory Bandwidth

Performance-wise, the GeForce 8600 GTS should theoretically be quite a bit better than the GeForce 9500 GT 512MB GDDR3 in general. (explain)

GeForce 8600 GTS 32000 MB/sec
GeForce 9500 GT 512MB GDDR3 25600 MB/sec
Difference: 6400 (25%)

Texel Rate

The GeForce 8600 GTS will be quite a bit (more or less 23%) better at AF than the GeForce 9500 GT 512MB GDDR3. (explain)

GeForce 8600 GTS 10800 Mtexels/sec
GeForce 9500 GT 512MB GDDR3 8800 Mtexels/sec
Difference: 2000 (23%)

Pixel Rate

If running with a high resolution is important to you, then the GeForce 8600 GTS is a better choice, by a large margin. (explain)

GeForce 8600 GTS 5400 Mpixels/sec
GeForce 9500 GT 512MB GDDR3 4400 Mpixels/sec
Difference: 1000 (23%)

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 GTS

Amazon.com

Check prices at:

GeForce 9500 GT 512MB GDDR3

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 GTS GeForce 9500 GT 512MB GDDR3
Manufacturer nVidia nVidia
Year April 2007 July 2008
Code Name G84 G96b
Memory 512 MB 512 MB
Core Speed 675 MHz 550 MHz
Memory Speed 2000 MHz 1600 MHz
Power (Max TDP) 75 watts 50 watts
Bandwidth 32000 MB/sec 25600 MB/sec
Texel Rate 10800 Mtexels/sec 8800 Mtexels/sec
Pixel Rate 5400 Mpixels/sec 4400 Mpixels/sec
Unified Shaders 32 32
Texture Mapping Units 16 16
Render Output Units 8 8
Bus Type GDDR3 GDDR3
Bus Width 128-bit 128-bit
Fab Process 80 nm 55 nm
Transistors 289 million 314 million
Bus PCIe x16 PCIe x16 2.0, PCI
DirectX Version DirectX 10 DirectX 10
OpenGL Version OpenGL 3.0 OpenGL 3.0

Memory Bandwidth: Bandwidth is the largest amount of data (measured in megabytes per second) that can be moved past the external memory interface within a second. It's calculated by multiplying the card's interface width by its memory clock speed. If the card has DDR RAM, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster 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 are applied per second. This figure is calculated by multiplying the total amount of texture units by the core speed of the chip. The better the texel rate, the better the graphics 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 maximum number of pixels that the graphics chip can possibly write to the local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends 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 GTS

Amazon.com

Check prices at:

GeForce 9500 GT 512MB GDDR3

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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