GeForce GT 230 vs GeForce GTX 460 1GB

Intro

Compare those specs to the GeForce GTX 460 1GB, which comes with GPU clock speed of 675 MHz, and 1024 MB of GDDR5 memory set to run at 900 MHz through a 256-bit bus. It also features 336 Stream Processors, 56 TAUs, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 230		65 Watts
GeForce GTX 460 1GB		160 Watts
	Difference: 95 Watts (146%)

Memory Bandwidth

The GeForce GTX 460 1GB should theoretically perform a lot faster than the GeForce GT 230 overall. (explain)

GeForce GTX 460 1GB		115200 MB/sec
GeForce GT 230		38400 MB/sec
	Difference: 76800 (200%)

Texel Rate

The GeForce GTX 460 1GB is quite a bit (approximately 330%) better at AF than the GeForce GT 230. (explain)

GeForce GTX 460 1GB		37800 Mtexels/sec
GeForce GT 230		8800 Mtexels/sec
	Difference: 29000 (330%)

Pixel Rate

The GeForce GTX 460 1GB will be quite a bit (approximately 391%) better at AA than the GeForce GT 230, and also will be able to handle higher screen resolutions more effectively. (explain)

GeForce GTX 460 1GB		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

Specifications

Memory Bandwidth: Bandwidth is the maximum amount of information (counted in megabytes per second) that can be transported past the external memory interface in a second. The number is worked out by multiplying the card's bus width by its memory clock speed. If it uses DDR memory, the result should 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 per second. This number is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The higher this number, 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 most pixels that the graphics card could possibly write to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.