GeForce GTX 260 Core 216 vs GeForce GTX 970M

Intro

Compare that to the GeForce GTX 970M, which comes with core clock speeds of 924 MHz on the GPU, and 1000 MHz on the 3072 MB of GDDR5 RAM. It features 1280 SPUs as well as 80 Texture Address Units and 48 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 970M		75 Watts
GeForce GTX 260 Core 216		202 Watts
	Difference: 127 Watts (169%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 260 Core 216 should perform a bit faster than the GeForce GTX 970M overall. (explain)

GeForce GTX 260 Core 216		111888 MB/sec
GeForce GTX 970M		96000 MB/sec
	Difference: 15888 (17%)

Texel Rate

The GeForce GTX 970M will be quite a bit (approximately 78%) better at texture filtering than the GeForce GTX 260 Core 216. (explain)

GeForce GTX 970M		73920 Mtexels/sec
GeForce GTX 260 Core 216		41472 Mtexels/sec
	Difference: 32448 (78%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GTX 970M is a better choice, and very much so. (explain)

GeForce GTX 970M		44352 Mpixels/sec
GeForce GTX 260 Core 216		16128 Mpixels/sec
	Difference: 28224 (175%)

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 in one second. It is calculated by multiplying the bus width by its memory clock speed. In the case of DDR type memory, the result should be multiplied by 2 once 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 anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed per second. This figure 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 video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly write to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. 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 fill rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.