GeForce GTX 260 216SP 55 nm vs GeForce GTX 965M

Intro

Compare all that to the GeForce GTX 965M, which uses a 28 nm design. nVidia has set the core speed at 944 MHz. The GDDR5 memory runs at a frequency of 1000 MHz on this specific model. It features 1024 SPUs as well as 64 TAUs and 32 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 965M		60 Watts
GeForce GTX 260 216SP 55 nm		171 Watts
	Difference: 111 Watts (185%)

Memory Bandwidth

Theoretically, the GeForce GTX 260 216SP 55 nm should perform a lot faster than the GeForce GTX 965M in general. (explain)

GeForce GTX 260 216SP 55 nm		111888 MB/sec
GeForce GTX 965M		64000 MB/sec
	Difference: 47888 (75%)

Texel Rate

The GeForce GTX 965M is quite a bit (about 46%) faster with regards to texture filtering than the GeForce GTX 260 216SP 55 nm. (explain)

GeForce GTX 965M		60416 Mtexels/sec
GeForce GTX 260 216SP 55 nm		41472 Mtexels/sec
	Difference: 18944 (46%)

Pixel Rate

The GeForce GTX 965M is much (approximately 87%) better at full screen anti-aliasing than the GeForce GTX 260 216SP 55 nm, and also will be able to handle higher screen resolutions without slowing down too much. (explain)

GeForce GTX 965M		30208 Mpixels/sec
GeForce GTX 260 216SP 55 nm		16128 Mpixels/sec
	Difference: 14080 (87%)

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 maximum amount of data (counted in MB per second) that can be transported across the external memory interface in one second. It's worked out by multiplying the interface width by the speed of its memory. If the card has DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the better 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 processed in one second. This is calculated by multiplying the total number of texture units of the card by the core speed of the chip. The better this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly write to the 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 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 many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.