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GeForce 940M vs GeForce GTX 960

Intro

The GeForce 940M features a core clock speed of 1072 MHz and a DDR3 memory speed of 1000 MHz. It also makes use of a 64-bit bus, and makes use of a 28 nm design. It is comprised of 384 SPUs, 24 Texture Address Units, and 8 Raster Operation Units.

Compare those specifications to the GeForce GTX 960, which features a GPU core clock speed of 1127 MHz, and 2048 MB of GDDR5 memory set to run at 1750 MHz through a 128-bit bus. It also is made up of 1024 Stream Processors, 64 TAUs, and 32 ROPs.

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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 960		7627 points
GeForce 940M		1740 points
	Difference: 5887 (338%)

Power Usage and Theoretical Benchmarks

Memory Bandwidth

The GeForce GTX 960, in theory, should perform quite a bit faster than the GeForce 940M overall. (explain)

GeForce GTX 960		112000 MB/sec
GeForce 940M		16000 MB/sec
	Difference: 96000 (600%)

Texel Rate

The GeForce GTX 960 is quite a bit (more or less 180%) more effective at texture filtering than the GeForce 940M. (explain)

GeForce GTX 960		72128 Mtexels/sec
GeForce 940M		25728 Mtexels/sec
	Difference: 46400 (180%)

Pixel Rate

If running with a high resolution is important to you, then the GeForce GTX 960 is superior to the GeForce 940M, by far. (explain)

GeForce GTX 960		36064 Mpixels/sec
GeForce 940M		8576 Mpixels/sec
	Difference: 27488 (321%)

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

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GeForce 940M

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GeForce GTX 960

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Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model	GeForce 940M	GeForce GTX 960
Manufacturer	nVidia	nVidia
Year	March 12 2015	January 2015
Code Name	GM108	GM206
Memory	2048 MB	2048 MB
Core Speed	1072 MHz	1127 MHz
Memory Speed	2000 MHz	7000 MHz
Power (Max TDP)	(Unknown) watts	120 watts
Bandwidth	16000 MB/sec	112000 MB/sec
Texel Rate	25728 Mtexels/sec	72128 Mtexels/sec
Pixel Rate	8576 Mpixels/sec	36064 Mpixels/sec
Unified Shaders	384	1024
Texture Mapping Units	24	64
Render Output Units	8	32
Bus Type	DDR3	GDDR5
Bus Width	64-bit	128-bit
Fab Process	28 nm	28 nm
Transistors	(Unknown) million	2940 million
Bus	PCIe 3.0 x16	PCIe 3.0 x16
DirectX Version	DirectX 12	DirectX 12.0
OpenGL Version	OpenGL 4.5	OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the largest amount of data (counted in MB per second) that can be transported past the external memory interface within a second. It is calculated by multiplying the card's interface width by its memory clock speed. If it uses DDR type RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's 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 number of texture map elements (texels) that can be applied per second. This figure is worked out by multiplying the total number of texture units by the core speed of the chip. The better the texel rate, the better the 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 maximum number of pixels that the graphics chip could possibly record to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of ROPs 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 fill rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.

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