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GeForce 940M vs GeForce GTX 1080

Intro

The GeForce 940M features a GPU clock speed of 1072 MHz, and the 2048 MB of DDR3 memory runs at 1000 MHz through a 64-bit bus. It also features 384 Stream Processors, 24 TAUs, and 8 Raster Operation Units.

Compare that to the GeForce GTX 1080, which features core clock speeds of 1607 MHz on the GPU, and 1251 MHz on the 8192 MB of GDDR5X memory. It features 2560 SPUs as well as 160 TAUs and 64 ROPs.

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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 1080 21942 points
GeForce 940M 1740 points
Difference: 20202 (1161%)

Power Usage and Theoretical Benchmarks

Memory Bandwidth

The GeForce GTX 1080, in theory, should be much faster than the GeForce 940M overall. (explain)

GeForce GTX 1080 327680 MB/sec
GeForce 940M 16000 MB/sec
Difference: 311680 (1948%)

Texel Rate

The GeForce GTX 1080 will be quite a bit (more or less 899%) more effective at texture filtering than the GeForce 940M. (explain)

GeForce GTX 1080 257120 Mtexels/sec
GeForce 940M 25728 Mtexels/sec
Difference: 231392 (899%)

Pixel Rate

The GeForce GTX 1080 is a lot (more or less 1099%) faster with regards to anti-aliasing than the GeForce 940M, and able to handle higher screen resolutions while still performing well. (explain)

GeForce GTX 1080 102848 Mpixels/sec
GeForce 940M 8576 Mpixels/sec
Difference: 94272 (1099%)

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 940M

Amazon.com

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GeForce GTX 1080

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 940M GeForce GTX 1080
Manufacturer nVidia nVidia
Year March 12 2015 May 2016
Code Name GM108 GP104-400
Memory 2048 MB 8192 MB
Core Speed 1072 MHz 1607 MHz
Memory Speed 2000 MHz 10008 MHz
Power (Max TDP) (Unknown) watts 180 watts
Bandwidth 16000 MB/sec 327680 MB/sec
Texel Rate 25728 Mtexels/sec 257120 Mtexels/sec
Pixel Rate 8576 Mpixels/sec 102848 Mpixels/sec
Unified Shaders 384 2560
Texture Mapping Units 24 160
Render Output Units 8 64
Bus Type DDR3 GDDR5X
Bus Width 64-bit 256-bit
Fab Process 28 nm 16 nm
Transistors (Unknown) million 7200 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12 DirectX 12.0
OpenGL Version OpenGL 4.5 OpenGL 4.5

Memory Bandwidth: Bandwidth is the maximum amount of information (counted in megabytes per second) that can be moved across the external memory interface within a second. It's calculated by multiplying the interface width by its memory clock speed. If it uses DDR type memory, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster 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 are processed in one second. This figure is calculated by multiplying the total number of texture units of the card by the core speed of the chip. The higher this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate 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 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 reach the max fill rate.

Display Prices

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GeForce 940M

Amazon.com

Check prices at:

GeForce GTX 1080

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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