GeForce GTX 260 216SP 55 nm vs GeForce GTX 460 (OEM)

Intro

Compare that to the GeForce GTX 460 (OEM), which has a GPU core clock speed of 650 MHz, and 1024 MB of GDDR5 memory running at 850 MHz through a 256-bit bus. It also is made up of 336 Stream Processors, 56 TAUs, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 460 (OEM)		150 Watts
GeForce GTX 260 216SP 55 nm		171 Watts
	Difference: 21 Watts (14%)

Memory Bandwidth

In theory, the GeForce GTX 260 216SP 55 nm should perform a little bit faster than the GeForce GTX 460 (OEM) in general. (explain)

GeForce GTX 260 216SP 55 nm		111888 MB/sec
GeForce GTX 460 (OEM)		108800 MB/sec
	Difference: 3088 (3%)

Texel Rate

The GeForce GTX 260 216SP 55 nm should be a bit (approximately 14%) better at texture filtering than the GeForce GTX 460 (OEM). (explain)

GeForce GTX 260 216SP 55 nm		41472 Mtexels/sec
GeForce GTX 460 (OEM)		36400 Mtexels/sec
	Difference: 5072 (14%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce GTX 460 (OEM) is superior to the GeForce GTX 260 216SP 55 nm, by far. (explain)

GeForce GTX 460 (OEM)		20800 Mpixels/sec
GeForce GTX 260 216SP 55 nm		16128 Mpixels/sec
	Difference: 4672 (29%)

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 max amount of data (in units of MB per second) that can be transported over the external memory interface in one second. It's calculated by multiplying the card's interface 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 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

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