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GeForce 9500 GT 512MB GDDR3 vs GeForce GT 430 1GB

Intro

The GeForce 9500 GT 512MB GDDR3 has a clock frequency of 550 MHz and a GDDR3 memory speed of 800 MHz. It also uses a 128-bit bus, and makes use of a 55 nm design. It is comprised of 32 SPUs, 16 TAUs, and 8 ROPs.

Compare all that to the GeForce GT 430 1GB, which uses a 40 nm design. nVidia has clocked the core speed at 700 MHz. The GDDR3 memory is set to run at a speed of 900 MHz on this specific model. It features 96 SPUs along with 16 TAUs and 4 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9500 GT 512MB GDDR3 50 Watts
GeForce GT 430 1GB 60 Watts
Difference: 10 Watts (20%)

Memory Bandwidth

The GeForce GT 430 1GB should in theory perform a little bit faster than the GeForce 9500 GT 512MB GDDR3 overall. (explain)

GeForce GT 430 1GB 28800 MB/sec
GeForce 9500 GT 512MB GDDR3 25600 MB/sec
Difference: 3200 (13%)

Texel Rate

The GeForce GT 430 1GB should be a lot (more or less 27%) better at anisotropic filtering than the GeForce 9500 GT 512MB GDDR3. (explain)

GeForce GT 430 1GB 11200 Mtexels/sec
GeForce 9500 GT 512MB GDDR3 8800 Mtexels/sec
Difference: 2400 (27%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the GeForce 9500 GT 512MB GDDR3 is a better choice, and very much so. (explain)

GeForce 9500 GT 512MB GDDR3 4400 Mpixels/sec
GeForce GT 430 1GB 2800 Mpixels/sec
Difference: 1600 (57%)

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 9500 GT 512MB GDDR3

Amazon.com

Check prices at:

GeForce GT 430 1GB

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 9500 GT 512MB GDDR3 GeForce GT 430 1GB
Manufacturer nVidia nVidia
Year July 2008 October 2010
Code Name G96b GF108
Memory 512 MB 1024 MB
Core Speed 550 MHz 700 MHz
Memory Speed 1600 MHz 1800 MHz
Power (Max TDP) 50 watts 60 watts
Bandwidth 25600 MB/sec 28800 MB/sec
Texel Rate 8800 Mtexels/sec 11200 Mtexels/sec
Pixel Rate 4400 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 55 nm 40 nm
Transistors 314 million 585 million
Bus PCIe x16 2.0, PCI PCIe x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 4.1

Memory Bandwidth: Bandwidth is the max amount of data (measured in MB per second) that can be transported over the external memory interface in a second. It's calculated by multiplying the interface width by its memory speed. In the case of DDR type memory, it should 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, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied per second. This number is calculated by multiplying the total texture units by the core speed of the chip. The higher 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 number of pixels the graphics card can possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on quite a few 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 9500 GT 512MB GDDR3

Amazon.com

Check prices at:

GeForce GT 430 1GB

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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