GeForce GTX 260 Core 216 vs GeForce GTX 460 (OEM)

Intro

Compare all of that to the GeForce GTX 460 (OEM), which features GPU core speed of 650 MHz, and 1024 MB of GDDR5 RAM running at 850 MHz through a 256-bit bus. It also is comprised 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 GTX 460 (OEM)		150 Watts
GeForce GTX 260 Core 216		202 Watts
	Difference: 52 Watts (35%)

Memory Bandwidth

In theory, the GeForce GTX 260 Core 216 should perform a small bit faster than the GeForce GTX 460 (OEM) overall. (explain)

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

Texel Rate

The GeForce GTX 260 Core 216 should be a small bit (more or less 14%) better at anisotropic filtering than the GeForce GTX 460 (OEM). (explain)

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

Pixel Rate

The GeForce GTX 460 (OEM) should be quite a bit (more or less 29%) better at full screen anti-aliasing than the GeForce GTX 260 Core 216, and also should be capable of handling higher screen resolutions while still performing well. (explain)

GeForce GTX 460 (OEM)		20800 Mpixels/sec
GeForce GTX 260 Core 216		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: Memory bandwidth is the max amount of information (counted in megabytes per second) that can be moved past the external memory interface within a second. The number is worked out by multiplying the card's interface width by its memory clock speed. In the case of DDR type RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen 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 of the card by the core speed of the chip. The higher the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

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