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GeForce 8600 GT 512MB GDDR3 vs GeForce GT 430 (OEM)

Intro

The GeForce 8600 GT 512MB GDDR3 makes use of a 80 nm design. nVidia has set the core speed at 540 MHz. The GDDR3 memory runs at a speed of 700 MHz on this particular model. It features 32 SPUs as well as 16 TAUs and 8 Rasterization Operator Units.

Compare those specs to the GeForce GT 430 (OEM), which features a clock speed of 700 MHz and a GDDR3 memory frequency of 900 MHz. It also features a 128-bit bus, and makes use of a 40 nm design. It is comprised of 96 SPUs, 16 TAUs, and 4 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8600 GT 512MB GDDR3 47 Watts
GeForce GT 430 (OEM) 60 Watts
Difference: 13 Watts (28%)

Memory Bandwidth

The GeForce GT 430 (OEM) should in theory perform much faster than the GeForce 8600 GT 512MB GDDR3 overall. (explain)

GeForce GT 430 (OEM) 28800 MB/sec
GeForce 8600 GT 512MB GDDR3 22400 MB/sec
Difference: 6400 (29%)

Texel Rate

The GeForce GT 430 (OEM) will be a lot (more or less 30%) faster with regards to texture filtering than the GeForce 8600 GT 512MB GDDR3. (explain)

GeForce GT 430 (OEM) 11200 Mtexels/sec
GeForce 8600 GT 512MB GDDR3 8640 Mtexels/sec
Difference: 2560 (30%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce 8600 GT 512MB GDDR3 is a better choice, by far. (explain)

GeForce 8600 GT 512MB GDDR3 4320 Mpixels/sec
GeForce GT 430 (OEM) 2800 Mpixels/sec
Difference: 1520 (54%)

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 GDDR3

Amazon.com

Check prices at:

GeForce GT 430 (OEM)

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 GDDR3 GeForce GT 430 (OEM)
Manufacturer nVidia nVidia
Year April 2007 October 2010
Code Name G84 GF108
Memory 512 MB 2048 MB
Core Speed 540 MHz 700 MHz
Memory Speed 1400 MHz 1800 MHz
Power (Max TDP) 47 watts 60 watts
Bandwidth 22400 MB/sec 28800 MB/sec
Texel Rate 8640 Mtexels/sec 11200 Mtexels/sec
Pixel Rate 4320 Mpixels/sec 2800 Mpixels/sec
Unified Shaders 32 96
Texture Mapping Units 16 16
Render Output Units 8 4
Bus Type GDDR3 GDDR3
Bus Width 128-bit 128-bit
Fab Process 80 nm 40 nm
Transistors 289 million 585 million
Bus PCIe x16 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 (counted in megabytes per second) that can be moved across the external memory interface in a second. It is worked out by multiplying the interface width by its memory speed. If it uses DDR memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, 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 by the core clock speed of the chip. The better this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly record to the local memory per second - measured in millions of pixels per second. Pixel rate 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 is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

GeForce 8600 GT 512MB GDDR3

Amazon.com

Check prices at:

GeForce GT 430 (OEM)

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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