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GeForce 8800 GS vs GeForce GT 430

Intro

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

Compare those specs to the GeForce GT 430, which comes with a GPU core clock speed of 700 MHz, and 512 MB of GDDR3 memory running at 900 MHz through a 128-bit bus. It also is made up of 96 Stream Processors, 16 TAUs, and 4 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 430 60 Watts
GeForce 8800 GS 105 Watts
Difference: 45 Watts (75%)

Memory Bandwidth

As far as performance goes, the GeForce 8800 GS should in theory be quite a bit superior to the GeForce GT 430 in general. (explain)

GeForce 8800 GS 38400 MB/sec
GeForce GT 430 28800 MB/sec
Difference: 9600 (33%)

Texel Rate

The GeForce 8800 GS will be much (approximately 136%) more effective at anisotropic filtering than the GeForce GT 430. (explain)

GeForce 8800 GS 26400 Mtexels/sec
GeForce GT 430 11200 Mtexels/sec
Difference: 15200 (136%)

Pixel Rate

The GeForce 8800 GS will be much (approximately 136%) better at AA than the GeForce GT 430, and able to handle higher resolutions more effectively. (explain)

GeForce 8800 GS 6600 Mpixels/sec
GeForce GT 430 2800 Mpixels/sec
Difference: 3800 (136%)

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 430

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 430
Manufacturer nVidia nVidia
Year Jan 2008 October 2010
Code Name G92 GF108
Memory 384 MB 512 MB
Core Speed 550 MHz 700 MHz
Memory Speed 1600 MHz 1800 MHz
Power (Max TDP) 105 watts 60 watts
Bandwidth 38400 MB/sec 28800 MB/sec
Texel Rate 26400 Mtexels/sec 11200 Mtexels/sec
Pixel Rate 6600 Mpixels/sec 2800 Mpixels/sec
Unified Shaders 96 96
Texture Mapping Units 48 16
Render Output Units 12 4
Bus Type GDDR3 GDDR3
Bus Width 192-bit 128-bit
Fab Process 65 nm 40 nm
Transistors 754 million 585 million
Bus PCIe x16 2.0 PCIe x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the largest amount of data (in units of MB per second) that can be transported past the external memory interface in one second. The number is calculated by multiplying the bus width by the speed of its memory. If it uses DDR RAM, it must 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, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied in one second. This is calculated by multiplying the total amount of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the video 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 the graphics card could possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

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GeForce 8800 GS

Amazon.com

Check prices at:

GeForce GT 430

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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