GeForce GTX 260 Core 216 vs GeForce GTX 880M

Intro

Compare those specs to the GeForce GTX 880M, which makes use of a 28 nm design. nVidia has clocked the core frequency at 954 MHz. The GDDR5 memory works at a frequency of 1000 MHz on this particular card. It features 1536 SPUs along with 128 TAUs and 32 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 880M		130 Watts
GeForce GTX 260 Core 216		202 Watts
	Difference: 72 Watts (55%)

Memory Bandwidth

The GeForce GTX 880M should in theory perform a little bit faster than the GeForce GTX 260 Core 216 in general. (explain)

GeForce GTX 880M		128000 MB/sec
GeForce GTX 260 Core 216		111888 MB/sec
	Difference: 16112 (14%)

Texel Rate

The GeForce GTX 880M will be quite a bit (about 194%) faster with regards to anisotropic filtering than the GeForce GTX 260 Core 216. (explain)

GeForce GTX 880M		122112 Mtexels/sec
GeForce GTX 260 Core 216		41472 Mtexels/sec
	Difference: 80640 (194%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GTX 880M is superior to the GeForce GTX 260 Core 216, by far. (explain)

GeForce GTX 880M		30528 Mpixels/sec
GeForce GTX 260 Core 216		16128 Mpixels/sec
	Difference: 14400 (89%)

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 (counted in megabytes per second) that can be moved across the external memory interface in a second. It is worked out by multiplying the bus width by the speed of its memory. If the card has DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied per second. This figure is worked out by multiplying the total texture units by the core clock speed of the chip. The better the texel rate, the better the graphics card will be at handling 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 can possibly write to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.