GeForce 930M vs GeForce 940M

Intro

Compare those specifications to the GeForce 940M, which has a core clock frequency of 1072 MHz and a DDR3 memory frequency of 1000 MHz. It also uses a 64-bit bus, and uses a 28 nm design. It is made up of 384 SPUs, 24 Texture Address Units, and 8 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 940M		1740 points
GeForce 930M		1490 points
	Difference: 250 (17%)

Power Usage and Theoretical Benchmarks

Memory Bandwidth

Performance-wise, the GeForce 940M should in theory be a little bit better than the GeForce 930M in general. (explain)

GeForce 940M		16000 MB/sec
GeForce 930M		14400 MB/sec
	Difference: 1600 (11%)

Texel Rate

The GeForce 940M will be a little bit (about 16%) better at texture filtering than the GeForce 930M. (explain)

GeForce 940M		25728 Mtexels/sec
GeForce 930M		22272 Mtexels/sec
	Difference: 3456 (16%)

Pixel Rate

The GeForce 940M should be just a bit (more or less 16%) better at anti-aliasing than the GeForce 930M, and also should be able to handle higher resolutions while still performing well. (explain)

GeForce 940M		8576 Mpixels/sec
GeForce 930M		7424 Mpixels/sec
	Difference: 1152 (16%)

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 max amount of information (measured in megabytes per second) that can be transferred across the external memory interface in one second. It's calculated by multiplying the card's interface width by its memory speed. In the case of DDR type memory, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better 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 in one second. This figure is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The better the texel rate, the better the video card will be at 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 the local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.