GeForce GTX 750 vs GeForce GTX 880M

Intro

Compare those specs to the GeForce GTX 880M, which makes use of a 28 nm design. nVidia has set the core speed at 954 MHz. The GDDR5 memory runs at a speed of 1000 MHz on this particular model. It features 1536 SPUs along with 128 TAUs and 32 ROPs.

Display Graphs

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

GeForce GTX 880M		6360 points
GeForce GTX 750		3958 points
	Difference: 2402 (61%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 750		55 Watts
GeForce GTX 880M		130 Watts
	Difference: 75 Watts (136%)

Memory Bandwidth

In theory, the GeForce GTX 880M should be 60% faster than the GeForce GTX 750 overall, because of its higher data rate. (explain)

GeForce GTX 880M		128000 MB/sec
GeForce GTX 750		80000 MB/sec
	Difference: 48000 (60%)

Texel Rate

The GeForce GTX 880M will be much (approximately 274%) better at anisotropic filtering than the GeForce GTX 750. (explain)

GeForce GTX 880M		122112 Mtexels/sec
GeForce GTX 750		32640 Mtexels/sec
	Difference: 89472 (274%)

Pixel Rate

The GeForce GTX 880M is much (approximately 87%) more effective at full screen anti-aliasing than the GeForce GTX 750, and capable of handling higher resolutions without losing too much performance. (explain)

GeForce GTX 880M		30528 Mpixels/sec
GeForce GTX 750		16320 Mpixels/sec
	Difference: 14208 (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 past the external memory interface in one second. It is worked out by multiplying the bus width by its memory speed. If the card has DDR type RAM, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied in one second. This number is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The higher this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly write to its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.