GeForce GTX 750 vs GeForce GTX 860M

Intro

Compare all that to the GeForce GTX 860M, which features GPU clock speed of 797 MHz, and 4096 MB of GDDR5 RAM set to run at 1000 MHz through a 128-bit bus. It also is made up of 1152 SPUs, 96 TAUs, and 16 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 860M		4340 points
GeForce GTX 750		3958 points
	Difference: 382 (10%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 860M		45 Watts
GeForce GTX 750		55 Watts
	Difference: 10 Watts (22%)

Memory Bandwidth

In theory, the GeForce GTX 750 should perform much faster than the GeForce GTX 860M in general. (explain)

GeForce GTX 750		80000 MB/sec
GeForce GTX 860M		64000 MB/sec
	Difference: 16000 (25%)

Texel Rate

The GeForce GTX 860M is much (about 134%) faster with regards to anisotropic filtering than the GeForce GTX 750. (explain)

GeForce GTX 860M		76512 Mtexels/sec
GeForce GTX 750		32640 Mtexels/sec
	Difference: 43872 (134%)

Pixel Rate

The GeForce GTX 750 will be much (more or less 28%) more effective at full screen anti-aliasing than the GeForce GTX 860M, and capable of handling higher resolutions while still performing well. (explain)

GeForce GTX 750		16320 Mpixels/sec
GeForce GTX 860M		12752 Mpixels/sec
	Difference: 3568 (28%)

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 information (in units of MB per second) that can be transferred past the external memory interface in one second. It's worked out by multiplying the bus width by the speed of its memory. In the case of DDR type memory, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the faster 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 number of texture map elements (texels) that can be applied per second. This is calculated by multiplying the total texture units by the core speed of the chip. The higher the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly record to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.