GeForce GTX 260 Core 216 vs GeForce GTX 970M

Intro

Compare those specifications to the GeForce GTX 970M, which uses a 28 nm design. nVidia has clocked the core frequency at 924 MHz. The GDDR5 memory is set to run at a speed of 1000 MHz on this specific card. It features 1280 SPUs along with 80 TAUs 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, 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 is a lot (approximately 78%) faster with regards to anisotropic 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 the winner, 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: Bandwidth is the largest amount of information (in units of MB per second) that can be transferred over the external memory interface within a second. The number is calculated by multiplying the card's bus width by the speed of its memory. If it uses DDR memory, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed in one second. This figure is worked out by multiplying the total number of texture units of the card by the core clock speed of the chip. The higher this number, the better the card will be at 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 card can possibly record to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of Render Output Units by the clock 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 rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.