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GeForce GT 230 vs GeForce GT 430

Intro

The GeForce GT 230 has a clock frequency of 550 MHz and a DDR3 memory speed of 800 MHz. It also features a 192-bit memory bus, and makes use of a 40 nm design. It is comprised of 32 SPUs, 16 TAUs, and 8 ROPs.

Compare all that to the GeForce GT 430, which features a clock frequency 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 made up of 96 SPUs, 16 TAUs, and 4 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 430 60 Watts
GeForce GT 230 65 Watts
Difference: 5 Watts (8%)

Memory Bandwidth

Theoretically speaking, the GeForce GT 230 should be quite a bit faster than the GeForce GT 430 in general. (explain)

GeForce GT 230 38400 MB/sec
GeForce GT 430 28800 MB/sec
Difference: 9600 (33%)

Texel Rate

The GeForce GT 430 should be a lot (about 27%) faster with regards to AF than the GeForce GT 230. (explain)

GeForce GT 430 11200 Mtexels/sec
GeForce GT 230 8800 Mtexels/sec
Difference: 2400 (27%)

Pixel Rate

The GeForce GT 230 should be a lot (more or less 57%) faster with regards to full screen anti-aliasing than the GeForce GT 430, and also capable of handling higher resolutions without losing too much performance. (explain)

GeForce GT 230 4400 Mpixels/sec
GeForce GT 430 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 GT 230

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 GT 230 GeForce GT 430
Manufacturer nVidia nVidia
Year October 2009 October 2010
Code Name GT218 GF108
Memory 1536 MB 512 MB
Core Speed 550 MHz 700 MHz
Memory Speed 1600 MHz 1800 MHz
Power (Max TDP) 65 watts 60 watts
Bandwidth 38400 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 DDR3 GDDR3
Bus Width 192-bit 128-bit
Fab Process 40 nm 40 nm
Transistors 260 million 585 million
Bus PCIe 2.0 PCIe x16
DirectX Version DirectX 10.1 DirectX 11
OpenGL Version OpenGL 3.2 OpenGL 4.1

Memory Bandwidth: Bandwidth is the maximum amount of data (measured in megabytes per second) that can be moved over the external memory interface in one second. It is worked out by multiplying the card's bus width by its memory clock speed. If it uses DDR RAM, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly record to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of colour 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 bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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GeForce GT 230

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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