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GeForce GT 430 vs GeForce GTS 250 1GB

Intro

The GeForce GT 430 features a clock frequency of 700 MHz and a GDDR3 memory frequency of 900 MHz. It also makes use of a 128-bit 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.

Compare those specifications to the GeForce GTS 250 1GB, which has a core clock speed of 738 MHz and a GDDR3 memory frequency of 1100 MHz. It also makes use of a 256-bit bus, and uses a 65/55 nm design. It is comprised of 128 SPUs, 64 Texture Address Units, and 16 ROPs.

Display Graphs

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(No game benchmarks for this combination yet.)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 430 60 Watts
GeForce GTS 250 1GB 145 Watts
Difference: 85 Watts (142%)

Memory Bandwidth

The GeForce GTS 250 1GB, in theory, should be quite a bit faster than the GeForce GT 430 overall. (explain)

GeForce GTS 250 1GB 70400 MB/sec
GeForce GT 430 28800 MB/sec
Difference: 41600 (144%)

Texel Rate

The GeForce GTS 250 1GB should be a lot (about 322%) better at texture filtering than the GeForce GT 430. (explain)

GeForce GTS 250 1GB 47232 Mtexels/sec
GeForce GT 430 11200 Mtexels/sec
Difference: 36032 (322%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GTS 250 1GB is a better choice, by a large margin. (explain)

GeForce GTS 250 1GB 11808 Mpixels/sec
GeForce GT 430 2800 Mpixels/sec
Difference: 9008 (322%)

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

Amazon.com

GeForce GTS 250 1GB

Amazon.com

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 GeForce GTS 250 1GB
Manufacturer nVidia nVidia
Year October 2010 March 3, 2009
Code Name GF108 G92a/b
Fab Process 40 nm 65/55 nm
Bus PCIe x16 PCIe x16 2.0
Memory 512 MB 1024 MB
Core Speed 700 MHz 738 MHz
Shader Speed 1400 MHz 1836 MHz
Memory Speed 1800 MHz 2200 MHz
Unified Shaders 96 128
Texture Mapping Units 16 64
Render Output Units 4 16
Bus Type GDDR3 GDDR3
Bus Width 128-bit 256-bit
DirectX Version DirectX 11 DirectX 10
OpenGL Version OpenGL 4.1 OpenGL 3.1
Power (Max TDP) 60 watts 145 watts
Shader Model 5.0 4.0
Bandwidth 28800 MB/sec 70400 MB/sec
Texel Rate 11200 Mtexels/sec 47232 Mtexels/sec
Pixel Rate 2800 Mpixels/sec 11808 Mpixels/sec

Memory Bandwidth: Bandwidth is the largest amount of information (measured in megabytes per second) that can be moved over the external memory interface within a second. The number is worked out by multiplying the interface width by its memory speed. If the card has DDR type RAM, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly record to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

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