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GeForce GT 230 vs GeForce GTX 460 2GB

Intro

The GeForce GT 230 comes with a GPU core clock speed of 550 MHz, and the 1536 MB of DDR3 memory is set to run at 800 MHz through a 192-bit bus. It also is made up of 32 Stream Processors, 16 TAUs, and 8 Raster Operation Units.

Compare those specs to the GeForce GTX 460 2GB, which features a GPU core clock speed of 675 MHz, and 2048 MB of GDDR5 RAM set to run at 900 MHz through a 256-bit bus. It also is made up of 336 SPUs, 56 Texture Address Units, and 32 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 230 65 Watts
GeForce GTX 460 2GB 160 Watts
Difference: 95 Watts (146%)

Memory Bandwidth

The GeForce GTX 460 2GB, in theory, should perform much faster than the GeForce GT 230 overall. (explain)

GeForce GTX 460 2GB 115200 MB/sec
GeForce GT 230 38400 MB/sec
Difference: 76800 (200%)

Texel Rate

The GeForce GTX 460 2GB will be much (approximately 330%) more effective at AF than the GeForce GT 230. (explain)

GeForce GTX 460 2GB 37800 Mtexels/sec
GeForce GT 230 8800 Mtexels/sec
Difference: 29000 (330%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 460 2GB is superior to the GeForce GT 230, by far. (explain)

GeForce GTX 460 2GB 21600 Mpixels/sec
GeForce GT 230 4400 Mpixels/sec
Difference: 17200 (391%)

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 GTX 460 2GB

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 GTX 460 2GB
Manufacturer nVidia nVidia
Year October 2009 July 2010
Code Name GT218 GF104
Memory 1536 MB 2048 MB
Core Speed 550 MHz 675 MHz
Memory Speed 1600 MHz 3600 MHz
Power (Max TDP) 65 watts 160 watts
Bandwidth 38400 MB/sec 115200 MB/sec
Texel Rate 8800 Mtexels/sec 37800 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 21600 Mpixels/sec
Unified Shaders 32 336
Texture Mapping Units 16 56
Render Output Units 8 32
Bus Type DDR3 GDDR5
Bus Width 192-bit 256-bit
Fab Process 40 nm 40 nm
Transistors 260 million 1950 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 data (in units of megabytes per second) that can be moved over the external memory interface within a second. The number is worked out by multiplying the card's bus width by its memory speed. If it uses DDR type RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the 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 texture map elements (texels) that can be applied in one second. This number is calculated by multiplying the total number of texture units by the core speed of the chip. The better this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly record to its local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number 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 many other factors, most notably the memory bandwidth of the card - the lower the memory 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 GTX 460 2GB

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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