GeForce GT 230 vs GeForce GTX 460 (OEM)

Intro

Compare that to the GeForce GTX 460 (OEM), which features a clock frequency of 650 MHz and a GDDR5 memory frequency of 850 MHz. It also makes use of a 256-bit memory bus, and makes use of a 40 nm design. It is made up of 336 SPUs, 56 Texture Address Units, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 230		65 Watts
GeForce GTX 460 (OEM)		150 Watts
	Difference: 85 Watts (131%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 460 (OEM) is 183% faster than the GeForce GT 230 in general, because of its greater data rate. (explain)

GeForce GTX 460 (OEM)		108800 MB/sec
GeForce GT 230		38400 MB/sec
	Difference: 70400 (183%)

Texel Rate

The GeForce GTX 460 (OEM) should be much (approximately 314%) faster with regards to texture filtering than the GeForce GT 230. (explain)

GeForce GTX 460 (OEM)		36400 Mtexels/sec
GeForce GT 230		8800 Mtexels/sec
	Difference: 27600 (314%)

Pixel Rate

The GeForce GTX 460 (OEM) is a lot (about 373%) faster with regards to FSAA than the GeForce GT 230, and also will be capable of handling higher screen resolutions while still performing well. (explain)

GeForce GTX 460 (OEM)		20800 Mpixels/sec
GeForce GT 230		4400 Mpixels/sec
	Difference: 16400 (373%)

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 moved over the external memory interface within a second. It is worked out by multiplying the interface width by the speed of its memory. If it uses DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the bandwidth is, 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 is worked out by multiplying the total number of texture units by the core speed of the chip. The higher the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly record to the local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Render Output Units by the clock 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 output rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.