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GeForce GT 430 (OEM) vs GeForce GTX 275

Intro

The GeForce GT 430 (OEM) makes use of a 40 nm design. nVidia has set the core speed at 700 MHz. The GDDR3 RAM works at a speed of 900 MHz on this particular model. It features 96 SPUs as well as 16 TAUs and 4 ROPs.

Compare those specs to the GeForce GTX 275, which features a clock frequency of 633 MHz and a GDDR3 memory frequency of 1134 MHz. It also makes use of a 448-bit bus, and uses a 55 nm design. It features 240 SPUs, 80 Texture Address Units, and 28 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 430 (OEM) 60 Watts
GeForce GTX 275 219 Watts
Difference: 159 Watts (265%)

Memory Bandwidth

Performance-wise, the GeForce GTX 275 should theoretically be a lot superior to the GeForce GT 430 (OEM) overall. (explain)

GeForce GTX 275 127008 MB/sec
GeForce GT 430 (OEM) 28800 MB/sec
Difference: 98208 (341%)

Texel Rate

The GeForce GTX 275 should be much (more or less 352%) better at anisotropic filtering than the GeForce GT 430 (OEM). (explain)

GeForce GTX 275 50640 Mtexels/sec
GeForce GT 430 (OEM) 11200 Mtexels/sec
Difference: 39440 (352%)

Pixel Rate

The GeForce GTX 275 is much (approximately 533%) better at FSAA than the GeForce GT 430 (OEM), and should be able to handle higher screen resolutions without losing too much performance. (explain)

GeForce GTX 275 17724 Mpixels/sec
GeForce GT 430 (OEM) 2800 Mpixels/sec
Difference: 14924 (533%)

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 GT 430 (OEM)

Amazon.com

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GeForce GTX 275

Amazon.com

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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 GT 430 (OEM) GeForce GTX 275
Manufacturer nVidia nVidia
Year October 2010 April 9, 2009
Code Name GF108 G200b
Memory 2048 MB 896 MB
Core Speed 700 MHz 633 MHz
Memory Speed 1800 MHz 2268 MHz
Power (Max TDP) 60 watts 219 watts
Bandwidth 28800 MB/sec 127008 MB/sec
Texel Rate 11200 Mtexels/sec 50640 Mtexels/sec
Pixel Rate 2800 Mpixels/sec 17724 Mpixels/sec
Unified Shaders 96 240
Texture Mapping Units 16 80
Render Output Units 4 28
Bus Type GDDR3 GDDR3
Bus Width 128-bit 448-bit
Fab Process 40 nm 55 nm
Transistors 585 million 1400 million
Bus PCIe x16 PCIe x16 2.0
DirectX Version DirectX 11 DirectX 10
OpenGL Version OpenGL 4.1 OpenGL 3.1

Memory Bandwidth: Bandwidth is the maximum amount of information (in units of MB per second) that can be transported across the external memory interface in a second. It's calculated by multiplying the card's interface width by its memory clock speed. In the case of DDR type memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied per second. This is worked out by multiplying the total amount of texture units of the card by the core speed of the chip. The better this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly record to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Raster Operations Pipelines 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 also depends on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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GeForce GT 430 (OEM)

Amazon.com

Check prices at:

GeForce GTX 275

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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