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GeForce 8600 GTS vs GeForce GT 230

Intro

The GeForce 8600 GTS comes with a GPU core clock speed of 675 MHz, and the 512 MB of GDDR3 RAM is set to run at 1000 MHz through a 128-bit bus. It also features 32 SPUs, 16 TAUs, and 8 ROPs.

Compare those specifications to the GeForce GT 230, which comes with a clock frequency of 550 MHz and a DDR3 memory frequency of 800 MHz. It also features a 192-bit bus, and makes use of a 40 nm design. It features 32 SPUs, 16 TAUs, and 8 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 230 65 Watts
GeForce 8600 GTS 75 Watts
Difference: 10 Watts (15%)

Memory Bandwidth

In theory, the GeForce GT 230 will be 20% faster than the GeForce 8600 GTS overall, due to its greater data rate. (explain)

GeForce GT 230 38400 MB/sec
GeForce 8600 GTS 32000 MB/sec
Difference: 6400 (20%)

Texel Rate

The GeForce 8600 GTS will be quite a bit (more or less 23%) faster with regards to AF than the GeForce GT 230. (explain)

GeForce 8600 GTS 10800 Mtexels/sec
GeForce GT 230 8800 Mtexels/sec
Difference: 2000 (23%)

Pixel Rate

If running with high levels of AA 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 GT 230 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 GT 230

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 GT 230
Manufacturer nVidia nVidia
Year April 2007 October 2009
Code Name G84 GT218
Memory 512 MB 1536 MB
Core Speed 675 MHz 550 MHz
Memory Speed 2000 MHz 1600 MHz
Power (Max TDP) 75 watts 65 watts
Bandwidth 32000 MB/sec 38400 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 DDR3
Bus Width 128-bit 192-bit
Fab Process 80 nm 40 nm
Transistors 289 million 260 million
Bus PCIe x16 PCIe 2.0
DirectX Version DirectX 10 DirectX 10.1
OpenGL Version OpenGL 3.0 OpenGL 3.2

Memory Bandwidth: Bandwidth is the maximum amount of information (counted in megabytes per second) that can be transferred past the external memory interface in a second. It is worked out by multiplying the interface width by its memory speed. In the case of DDR type RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied per second. This number is worked out by multiplying the total amount of texture units of the card by the core speed of the chip. The higher 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 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. The number is calculated by multiplying the number of colour ROPs by the clock 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 rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

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GeForce 8600 GTS

Amazon.com

Check prices at:

GeForce GT 230

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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