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GeForce GT 230 vs GeForce GT 440 3GB

Intro

The GeForce GT 230 uses a 40 nm design. nVidia has set the core speed at 550 MHz. The DDR3 RAM runs at a frequency of 800 MHz on this particular model. It features 32 SPUs as well as 16 Texture Address Units and 8 Rasterization Operator Units.

Compare those specs to the GeForce GT 440 3GB, which features GPU core speed of 594 MHz, and 3072 MB of GDDR3 memory set to run at 900 MHz through a 192-bit bus. It also is made up of 144 Stream Processors, 24 TAUs, and 24 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 440 3GB 56 Watts
GeForce GT 230 65 Watts
Difference: 9 Watts (16%)

Memory Bandwidth

Theoretically speaking, the GeForce GT 440 3GB should be just a bit faster than the GeForce GT 230 overall. (explain)

GeForce GT 440 3GB 43200 MB/sec
GeForce GT 230 38400 MB/sec
Difference: 4800 (13%)

Texel Rate

The GeForce GT 440 3GB will be quite a bit (approximately 62%) faster with regards to anisotropic filtering than the GeForce GT 230. (explain)

GeForce GT 440 3GB 14256 Mtexels/sec
GeForce GT 230 8800 Mtexels/sec
Difference: 5456 (62%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce GT 440 3GB is a better choice, and very much so. (explain)

GeForce GT 440 3GB 14256 Mpixels/sec
GeForce GT 230 4400 Mpixels/sec
Difference: 9856 (224%)

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

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GeForce GT 440 3GB

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 230 GeForce GT 440 3GB
Manufacturer nVidia nVidia
Year October 2009 October 2010
Code Name GT218 GF106
Memory 1536 MB 3072 MB
Core Speed 550 MHz 594 MHz
Memory Speed 1600 MHz 1800 MHz
Power (Max TDP) 65 watts 56 watts
Bandwidth 38400 MB/sec 43200 MB/sec
Texel Rate 8800 Mtexels/sec 14256 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 14256 Mpixels/sec
Unified Shaders 32 144
Texture Mapping Units 16 24
Render Output Units 8 24
Bus Type DDR3 GDDR3
Bus Width 192-bit 192-bit
Fab Process 40 nm 40 nm
Transistors 260 million 1170 million
Bus PCIe 2.0 PCIe x16
DirectX Version DirectX 10.1 DirectX 11
OpenGL Version OpenGL 3.2 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the max amount of information (counted in megabytes per second) that can be transported over the external memory interface in one second. The number is worked out by multiplying the interface width by its memory speed. If it uses DDR type RAM, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, 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 can be processed in one second. This figure is calculated by multiplying the total number of texture units of the card by the core 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 applied in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly record to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the amount of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on 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 potential to get to the maximum fill rate.

Display Prices

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GeForce GT 230

Amazon.com

Check prices at:

GeForce GT 440 3GB

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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