GeForce 940M vs GeForce GTX 960M

Intro

Compare that to the GeForce GTX 960M, which makes use of a 28 nm design. nVidia has set the core frequency at 1096 MHz. The GDDR5 memory runs at a speed of 1000 MHz on this model. It features 640 SPUs as well as 40 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 960M		4350 points
GeForce 940M		1740 points
	Difference: 2610 (150%)

Power Usage and Theoretical Benchmarks

Memory Bandwidth

The GeForce GTX 960M should theoretically be a lot faster than the GeForce 940M in general. (explain)

GeForce GTX 960M		64000 MB/sec
GeForce 940M		16000 MB/sec
	Difference: 48000 (300%)

Texel Rate

The GeForce GTX 960M will be much (approximately 70%) more effective at anisotropic filtering than the GeForce 940M. (explain)

GeForce GTX 960M		43840 Mtexels/sec
GeForce 940M		25728 Mtexels/sec
	Difference: 18112 (70%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the GeForce GTX 960M is a better choice, by far. (explain)

GeForce GTX 960M		17536 Mpixels/sec
GeForce 940M		8576 Mpixels/sec
	Difference: 8960 (104%)

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 maximum amount of information (in units of MB per second) that can be transported over the external memory interface in one second. It's calculated by multiplying the card's interface width by its memory clock speed. If it uses DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, 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 number of texture map elements (texels) that can be processed in one second. This number is worked out by multiplying the total texture units by the core clock 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 maximum number of pixels that the graphics chip could possibly write to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.