GeForce 940M vs GeForce GTX 1050 3GB

Intro

Compare those specifications to the GeForce GTX 1050 3GB, which has clock speeds of 1392 MHz on the GPU, and 1750 MHz on the 3072 MB of GDDR5 RAM. It features 768 SPUs along with 48 Texture Address Units and 24 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the GeForce GTX 1050 3GB should be quite a bit faster than the GeForce 940M in general. (explain)

GeForce GTX 1050 3GB		86016 MB/sec
GeForce 940M		16000 MB/sec
	Difference: 70016 (438%)

Texel Rate

The GeForce GTX 1050 3GB should be a lot (approximately 160%) faster with regards to anisotropic filtering than the GeForce 940M. (explain)

GeForce GTX 1050 3GB		66816 Mtexels/sec
GeForce 940M		25728 Mtexels/sec
	Difference: 41088 (160%)

Pixel Rate

The GeForce GTX 1050 3GB will be quite a bit (about 290%) better at full screen anti-aliasing than the GeForce 940M, and will be able to handle higher screen resolutions better. (explain)

GeForce GTX 1050 3GB		33408 Mpixels/sec
GeForce 940M		8576 Mpixels/sec
	Difference: 24832 (290%)

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 MB per second) that can be moved across the external memory interface in one second. It is calculated by multiplying the interface width by its memory speed. If the card has DDR RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied in one second. This is worked out by multiplying the total number of 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 in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly record to the local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the max fill rate.