GeForce GT 130 vs GeForce GTX 460 SE

Intro

Compare that to the GeForce GTX 460 SE, which features a clock frequency of 650 MHz and a GDDR5 memory frequency of 850 MHz. It also features a 256-bit memory bus, and makes use of a 40 nm design. It features 288 SPUs, 48 TAUs, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 130		75 Watts
GeForce GTX 460 SE		150 Watts
	Difference: 75 Watts (100%)

Memory Bandwidth

In theory, the GeForce GTX 460 SE is 807% faster than the GeForce GT 130 in general, because of its greater data rate. (explain)

GeForce GTX 460 SE		108800 MB/sec
GeForce GT 130		12000 MB/sec
	Difference: 96800 (807%)

Texel Rate

The GeForce GTX 460 SE will be much (approximately 160%) more effective at AF than the GeForce GT 130. (explain)

GeForce GTX 460 SE		31200 Mtexels/sec
GeForce GT 130		12000 Mtexels/sec
	Difference: 19200 (160%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTX 460 SE is superior to the GeForce GT 130, by a large margin. (explain)

GeForce GTX 460 SE		20800 Mpixels/sec
GeForce GT 130		8000 Mpixels/sec
	Difference: 12800 (160%)

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 largest amount of data (counted in MB per second) that can be transferred over the external memory interface within a second. It is worked out by multiplying the card's bus width by its memory speed. If the card has DDR type memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied in one second. This number is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The better the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly write to the local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.