GeForce 940M vs GeForce GTX 970

Intro

Compare those specs to the GeForce GTX 970, which comes with clock speeds of 1050 MHz on the GPU, and 1750 MHz on the 4096 MB of GDDR5 memory. It features 1664 SPUs as well as 104 TAUs and 64 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 970		10867 points
GeForce 940M		1740 points
	Difference: 9127 (525%)

Power Usage and Theoretical Benchmarks

Memory Bandwidth

The GeForce GTX 970 should theoretically be much faster than the GeForce 940M in general. (explain)

GeForce GTX 970		224000 MB/sec
GeForce 940M		16000 MB/sec
	Difference: 208000 (1300%)

Texel Rate

The GeForce GTX 970 should be quite a bit (more or less 324%) faster with regards to AF than the GeForce 940M. (explain)

GeForce GTX 970		109200 Mtexels/sec
GeForce 940M		25728 Mtexels/sec
	Difference: 83472 (324%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTX 970 is a better choice, by far. (explain)

GeForce GTX 970		67200 Mpixels/sec
GeForce 940M		8576 Mpixels/sec
	Difference: 58624 (684%)

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 max amount of data (in units of megabytes per second) that can be moved across the external memory interface within a second. It's calculated by multiplying the card's bus width by the speed of its memory. In the case of DDR type memory, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the bandwidth is, 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 texture map elements (texels) that can be processed in one second. This figure is calculated by multiplying the total number of texture units by the core clock speed of the chip. The better the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly write to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of Raster Operations Pipelines by the clock 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 fill rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.