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GeForce 810M vs GeForce 940M

Intro

The GeForce 810M comes with a GPU core speed of 738 MHz, and the 1024 MB of DDR3 RAM runs at 900 MHz through a 64-bit bus. It also is made up of 48 SPUs, 8 TAUs, and 4 ROPs.

Compare that to the GeForce 940M, which uses a 28 nm design. nVidia has clocked the core speed at 1072 MHz. The DDR3 memory works at a speed of 1000 MHz on this specific model. It features 384 SPUs along with 24 TAUs and 8 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the GeForce 940M should perform a little bit faster than the GeForce 810M in general. (explain)

GeForce 940M 16000 MB/sec
GeForce 810M 14400 MB/sec
Difference: 1600 (11%)

Texel Rate

The GeForce 940M will be much (more or less 336%) more effective at texture filtering than the GeForce 810M. (explain)

GeForce 940M 25728 Mtexels/sec
GeForce 810M 5904 Mtexels/sec
Difference: 19824 (336%)

Pixel Rate

The GeForce 940M will be quite a bit (more or less 191%) faster with regards to AA than the GeForce 810M, and also should be capable of handling higher resolutions without losing too much performance. (explain)

GeForce 940M 8576 Mpixels/sec
GeForce 810M 2952 Mpixels/sec
Difference: 5624 (191%)

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

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GeForce 810M

Amazon.com

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GeForce 940M

Amazon.com

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Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model GeForce 810M GeForce 940M
Manufacturer nVidia nVidia
Year February 2014 March 12 2015
Code Name GF117 GM108
Memory 1024 MB 2048 MB
Core Speed 738 MHz 1072 MHz
Memory Speed 1800 MHz 2000 MHz
Power (Max TDP) 15 watts (Unknown) watts
Bandwidth 14400 MB/sec 16000 MB/sec
Texel Rate 5904 Mtexels/sec 25728 Mtexels/sec
Pixel Rate 2952 Mpixels/sec 8576 Mpixels/sec
Unified Shaders 48 384
Texture Mapping Units 8 24
Render Output Units 4 8
Bus Type DDR3 DDR3
Bus Width 64-bit 64-bit
Fab Process 28 nm 28 nm
Transistors (Unknown) million (Unknown) million
Bus PCIe 2.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12 DirectX 12
OpenGL Version OpenGL 4.5 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the largest amount of information (in units of MB per second) that can be transferred over the external memory interface within a second. The number is calculated by multiplying the card's bus width by its memory speed. If it uses DDR type memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster 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 applied per second. This is worked out by multiplying the total number of texture units by the core 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 most pixels the video card can possibly record to the local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of ROPs by the clock 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 rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

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GeForce 810M

Amazon.com

Check prices at:

GeForce 940M

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

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