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GeForce 8800 GS vs GeForce GT 230

Intro

The GeForce 8800 GS has a core clock speed of 550 MHz and a GDDR3 memory frequency of 800 MHz. It also uses a 192-bit memory bus, and uses a 65 nm design. It features 96 SPUs, 48 TAUs, and 12 ROPs.

Compare all of that to the GeForce GT 230, which comes with a GPU core clock speed of 550 MHz, and 1536 MB of DDR3 memory running at 800 MHz through a 192-bit bus. It also is made up of 32 SPUs, 16 Texture Address Units, and 8 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 230 65 Watts
GeForce 8800 GS 105 Watts
Difference: 40 Watts (62%)

Memory Bandwidth

Both cards have the exact same memory bandwidth, so theoretically they should have identical performance. (explain)

Texel Rate

The GeForce 8800 GS is quite a bit (approximately 200%) better at AF than the GeForce GT 230. (explain)

GeForce 8800 GS 26400 Mtexels/sec
GeForce GT 230 8800 Mtexels/sec
Difference: 17600 (200%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce 8800 GS is the winner, by a large margin. (explain)

GeForce 8800 GS 6600 Mpixels/sec
GeForce GT 230 4400 Mpixels/sec
Difference: 2200 (50%)

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 8800 GS

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 8800 GS GeForce GT 230
Manufacturer nVidia nVidia
Year Jan 2008 October 2009
Code Name G92 GT218
Memory 384 MB 1536 MB
Core Speed 550 MHz 550 MHz
Memory Speed 1600 MHz 1600 MHz
Power (Max TDP) 105 watts 65 watts
Bandwidth 38400 MB/sec 38400 MB/sec
Texel Rate 26400 Mtexels/sec 8800 Mtexels/sec
Pixel Rate 6600 Mpixels/sec 4400 Mpixels/sec
Unified Shaders 96 32
Texture Mapping Units 48 16
Render Output Units 12 8
Bus Type GDDR3 DDR3
Bus Width 192-bit 192-bit
Fab Process 65 nm 40 nm
Transistors 754 million 260 million
Bus PCIe x16 2.0 PCIe 2.0
DirectX Version DirectX 10 DirectX 10.1
OpenGL Version OpenGL 3.0 OpenGL 3.2

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly write to its local memory per second - measured in millions of pixels per second. The figure is worked out 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 drawing the pixels (image) on the screen. The actual pixel rate also depends on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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GeForce 8800 GS

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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