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GeForce 8600 GT 512MB DDR2 vs GeForce 9600 GT 512MB

Intro

The GeForce 8600 GT 512MB DDR2 has core speeds of 540 MHz on the GPU, and 400 MHz on the 512 MB of DDR2 memory. It features 32 SPUs as well as 16 TAUs and 8 Rasterization Operator Units.

Compare that to the GeForce 9600 GT 512MB, which uses a 65/55 nm design. nVidia has set the core frequency at 650 MHz. The GDDR3 memory runs at a frequency of 900 MHz on this specific card. It features 64 SPUs along with 32 Texture Address Units and 16 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8600 GT 512MB DDR2 47 Watts
GeForce 9600 GT 512MB 95 Watts
Difference: 48 Watts (102%)

Memory Bandwidth

Theoretically speaking, the GeForce 9600 GT 512MB should perform a lot faster than the GeForce 8600 GT 512MB DDR2 overall. (explain)

GeForce 9600 GT 512MB 57600 MB/sec
GeForce 8600 GT 512MB DDR2 12800 MB/sec
Difference: 44800 (350%)

Texel Rate

The GeForce 9600 GT 512MB is quite a bit (approximately 141%) better at anisotropic filtering than the GeForce 8600 GT 512MB DDR2. (explain)

GeForce 9600 GT 512MB 20800 Mtexels/sec
GeForce 8600 GT 512MB DDR2 8640 Mtexels/sec
Difference: 12160 (141%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce 9600 GT 512MB is a better choice, by far. (explain)

GeForce 9600 GT 512MB 10400 Mpixels/sec
GeForce 8600 GT 512MB DDR2 4320 Mpixels/sec
Difference: 6080 (141%)

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 9600 GT 512MB

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 9600 GT 512MB
Manufacturer nVidia nVidia
Year April 2007 Feb 2008
Code Name G84 G94a/b
Memory 512 MB 512 MB
Core Speed 540 MHz 650 MHz
Memory Speed 800 MHz 1800 MHz
Power (Max TDP) 47 watts 95 watts
Bandwidth 12800 MB/sec 57600 MB/sec
Texel Rate 8640 Mtexels/sec 20800 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 10400 Mpixels/sec
Unified Shaders 32 64
Texture Mapping Units 16 32
Render Output Units 8 16
Bus Type DDR2 GDDR3
Bus Width 128-bit 256-bit
Fab Process 80 nm 65/55 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: Memory bandwidth is the largest amount of data (in units of megabytes per second) that can be moved over the external memory interface within a second. The number is worked out by multiplying the card's interface width by the speed of its memory. If the card has DDR RAM, the result should be multiplied by 2 again. If it uses 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 higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly record to the local memory in a 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 sometimes 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, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce 8600 GT 512MB DDR2

Amazon.com

Check prices at:

GeForce 9600 GT 512MB

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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