GeForce GTX 260 vs GeForce GTX 750

Intro

Compare those specs to the GeForce GTX 750, which features GPU core speed of 1020 MHz, and 1024 MB of GDDR5 RAM set to run at 1250 MHz through a 128-bit bus. It also is comprised of 512 Stream Processors, 32 TAUs, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 750		55 Watts
GeForce GTX 260		182 Watts
	Difference: 127 Watts (231%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 260 will be 40% faster than the GeForce GTX 750 in general, due to its higher bandwidth. (explain)

GeForce GTX 260		111888 MB/sec
GeForce GTX 750		80000 MB/sec
	Difference: 31888 (40%)

Texel Rate

The GeForce GTX 260 should be a bit (more or less 13%) better at anisotropic filtering than the GeForce GTX 750. (explain)

GeForce GTX 260		36864 Mtexels/sec
GeForce GTX 750		32640 Mtexels/sec
	Difference: 4224 (13%)

Pixel Rate

The GeForce GTX 750 is a small bit (about 1%) better at full screen anti-aliasing than the GeForce GTX 260, and should be able to handle higher screen resolutions better. (explain)

GeForce GTX 750		16320 Mpixels/sec
GeForce GTX 260		16128 Mpixels/sec
	Difference: 192 (1%)

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 data (counted in megabytes per second) that can be transported over the external memory interface within a second. It's worked out by multiplying the interface width by its memory clock speed. If the card has DDR type RAM, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with AA, 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 is calculated by multiplying the total number of texture units by the core clock 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 applied in one second.

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly record to the 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 clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.