GeForce 940M vs GeForce GTX 950M

Intro

Compare that to the GeForce GTX 950M, which has GPU clock speed of 914 MHz, and 2048 MB of DDR3 RAM set to run at 1000 MHz through a 128-bit bus. It also features 640 SPUs, 40 Texture Address Units, 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 950M		3330 points
GeForce 940M		1740 points
	Difference: 1590 (91%)

Power Usage and Theoretical Benchmarks

Memory Bandwidth

Performance-wise, the GeForce GTX 950M should theoretically be quite a bit superior to the GeForce 940M in general. (explain)

GeForce GTX 950M		32000 MB/sec
GeForce 940M		16000 MB/sec
	Difference: 16000 (100%)

Texel Rate

The GeForce GTX 950M should be quite a bit (about 42%) more effective at anisotropic filtering than the GeForce 940M. (explain)

GeForce GTX 950M		36560 Mtexels/sec
GeForce 940M		25728 Mtexels/sec
	Difference: 10832 (42%)

Pixel Rate

The GeForce GTX 950M is a lot (about 71%) better at FSAA than the GeForce 940M, and also capable of handling higher screen resolutions better. (explain)

GeForce GTX 950M		14624 Mpixels/sec
GeForce 940M		8576 Mpixels/sec
	Difference: 6048 (71%)

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 (counted in MB per second) that can be transferred past the external memory interface in one second. It is calculated by multiplying the bus width by the speed of its memory. If the card has DDR RAM, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed in one second. This figure is worked out by multiplying the total number of texture units of the card by the core clock speed of the chip. The better this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly write to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also 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, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.