GeForce GTX 460 SE vs GeForce GTX 465

Intro

Compare those specs to the GeForce GTX 465, which uses a 40 nm design. nVidia has clocked the core speed at 607 MHz. The GDDR5 memory runs at a frequency of 802 MHz on this particular card. It features 352 SPUs along with 44 TAUs and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 460 SE		150 Watts
GeForce GTX 465		200 Watts
	Difference: 50 Watts (33%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 460 SE should be 6% quicker than the GeForce GTX 465 in general, due to its greater data rate. (explain)

GeForce GTX 460 SE		108800 MB/sec
GeForce GTX 465		102592 MB/sec
	Difference: 6208 (6%)

Texel Rate

The GeForce GTX 460 SE is a bit (more or less 17%) more effective at anisotropic filtering than the GeForce GTX 465. (explain)

GeForce GTX 460 SE		31200 Mtexels/sec
GeForce GTX 465		26708 Mtexels/sec
	Difference: 4492 (17%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GTX 460 SE is superior to the GeForce GTX 465, but not by far. (explain)

GeForce GTX 460 SE		20800 Mpixels/sec
GeForce GTX 465		19424 Mpixels/sec
	Difference: 1376 (7%)

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 (in units of MB per second) that can be moved across the external memory interface in one second. It's calculated by multiplying the interface width by its memory speed. In the case of DDR memory, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied per second. This figure is calculated by multiplying the total amount of texture units by the core 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 processed in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.