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GeForce 8600 GS (OEM) vs GeForce 9500 GT DDR2

Intro

The GeForce 8600 GS (OEM) has a GPU clock speed of 540 MHz, and the 256 MB of DDR2 RAM runs at 400 MHz through a 128-bit bus. It also is made up of 32 SPUs, 16 TAUs, and 8 ROPs.

Compare that to the GeForce 9500 GT DDR2, which uses a 65 nm design. nVidia has clocked the core frequency at 550 MHz. The DDR2 RAM works at a frequency of 500 MHz on this model. It features 32 SPUs along with 16 TAUs and 8 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8600 GS (OEM) 47 Watts
GeForce 9500 GT DDR2 50 Watts
Difference: 3 Watts (6%)

Memory Bandwidth

Performance-wise, the GeForce 9500 GT DDR2 should theoretically be a lot superior to the GeForce 8600 GS (OEM) overall. (explain)

GeForce 9500 GT DDR2 16000 MB/sec
GeForce 8600 GS (OEM) 12800 MB/sec
Difference: 3200 (25%)

Texel Rate

The GeForce 9500 GT DDR2 should be a little bit (about 2%) more effective at anisotropic filtering than the GeForce 8600 GS (OEM). (explain)

GeForce 9500 GT DDR2 8800 Mtexels/sec
GeForce 8600 GS (OEM) 8640 Mtexels/sec
Difference: 160 (2%)

Pixel Rate

The GeForce 9500 GT DDR2 will be a small bit (approximately 2%) better at anti-aliasing than the GeForce 8600 GS (OEM), and capable of handling higher screen resolutions better. (explain)

GeForce 9500 GT DDR2 4400 Mpixels/sec
GeForce 8600 GS (OEM) 4320 Mpixels/sec
Difference: 80 (2%)

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 GS (OEM)

Amazon.com

Check prices at:

GeForce 9500 GT DDR2

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 GS (OEM) GeForce 9500 GT DDR2
Manufacturer nVidia nVidia
Year April 2007 July 2008
Code Name G84 G96a
Memory 256 MB 256 MB
Core Speed 540 MHz 550 MHz
Memory Speed 800 MHz 1000 MHz
Power (Max TDP) 47 watts 50 watts
Bandwidth 12800 MB/sec 16000 MB/sec
Texel Rate 8640 Mtexels/sec 8800 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 4400 Mpixels/sec
Unified Shaders 32 32
Texture Mapping Units 16 16
Render Output Units 8 8
Bus Type DDR2 DDR2
Bus Width 128-bit 128-bit
Fab Process 80 nm 65 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 maximum amount of information (measured in MB per second) that can be moved past the external memory interface in one second. It is calculated by multiplying the card's bus width by its memory speed. In the case of DDR memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly write to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the clock speed of the card. 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 lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

GeForce 8600 GS (OEM)

Amazon.com

Check prices at:

GeForce 9500 GT DDR2

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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