GeForce GTX 260 Core 216 vs GeForce GTX 460 SE

Intro

Compare those specifications to the GeForce GTX 460 SE, which makes use of a 40 nm design. nVidia has set the core speed at 650 MHz. The GDDR5 RAM works at a speed of 850 MHz on this particular card. It features 288 SPUs as well as 48 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 260 Core 216		202 Watts
	Difference: 52 Watts (35%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 260 Core 216 should be a small bit faster than the GeForce GTX 460 SE overall. (explain)

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

Texel Rate

The GeForce GTX 260 Core 216 should be much (more or less 33%) better at AF than the GeForce GTX 460 SE. (explain)

GeForce GTX 260 Core 216		41472 Mtexels/sec
GeForce GTX 460 SE		31200 Mtexels/sec
	Difference: 10272 (33%)

Pixel Rate

The GeForce GTX 460 SE will be a lot (about 29%) better at full screen anti-aliasing than the GeForce GTX 260 Core 216, and also will be capable of handling higher screen resolutions more effectively. (explain)

GeForce GTX 460 SE		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 largest amount of information (in units of MB per second) that can be transported over the external memory interface in a second. The number is calculated by multiplying the card's interface width by the speed of its memory. If it uses DDR RAM, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied per second. This is calculated by multiplying the total amount of texture units of the card by the core clock 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 in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly write to its 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 - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.