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GeForce 8800 GT 256MB vs GeForce GT 430

Intro

The GeForce 8800 GT 256MB features a GPU core clock speed of 600 MHz, and the 256 MB of GDDR3 RAM is set to run at 700 MHz through a 256-bit bus. It also features 112 Stream Processors, 56 Texture Address Units, and 16 ROPs.

Compare all of that to the GeForce GT 430, which has a core clock speed of 700 MHz and a GDDR3 memory speed of 900 MHz. It also makes use of a 128-bit memory bus, and makes use of a 40 nm design. It is made up of 96 SPUs, 16 Texture Address Units, and 4 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 430 60 Watts
GeForce 8800 GT 256MB 105 Watts
Difference: 45 Watts (75%)

Memory Bandwidth

As far as performance goes, the GeForce 8800 GT 256MB should in theory be quite a bit better than the GeForce GT 430 overall. (explain)

GeForce 8800 GT 256MB 44800 MB/sec
GeForce GT 430 28800 MB/sec
Difference: 16000 (56%)

Texel Rate

The GeForce 8800 GT 256MB will be quite a bit (about 200%) more effective at anisotropic filtering than the GeForce GT 430. (explain)

GeForce 8800 GT 256MB 33600 Mtexels/sec
GeForce GT 430 11200 Mtexels/sec
Difference: 22400 (200%)

Pixel Rate

The GeForce 8800 GT 256MB is quite a bit (more or less 243%) better at FSAA than the GeForce GT 430, and also should be able to handle higher screen resolutions while still performing well. (explain)

GeForce 8800 GT 256MB 9600 Mpixels/sec
GeForce GT 430 2800 Mpixels/sec
Difference: 6800 (243%)

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 GT 256MB

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 GT 256MB GeForce GT 430
Manufacturer nVidia nVidia
Year Dec 2007 October 2010
Code Name G92 GF108
Memory 256 MB 512 MB
Core Speed 600 MHz 700 MHz
Memory Speed 1400 MHz 1800 MHz
Power (Max TDP) 105 watts 60 watts
Bandwidth 44800 MB/sec 28800 MB/sec
Texel Rate 33600 Mtexels/sec 11200 Mtexels/sec
Pixel Rate 9600 Mpixels/sec 2800 Mpixels/sec
Unified Shaders 112 96
Texture Mapping Units 56 16
Render Output Units 16 4
Bus Type GDDR3 GDDR3
Bus Width 256-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 max amount of data (measured in MB per second) that can be transferred across the external memory interface in a second. It's worked out by multiplying the interface width by its memory speed. In the case of DDR type RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the card's 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 processed per second. This figure is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The higher this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly write to its local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant 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 8800 GT 256MB

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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