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GeForce 920M vs GeForce 940M

Intro

The GeForce 920M has core speeds of 954 MHz on the GPU, and 900 MHz on the 2048 MB of DDR3 memory. It features 384 SPUs as well as 32 Texture Address Units and 8 ROPs.

Compare that to the GeForce 940M, which uses a 28 nm design. nVidia has clocked the core frequency at 1072 MHz. The DDR3 RAM runs at a frequency of 1000 MHz on this card. It features 384 SPUs as well as 24 Texture Address Units and 8 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 940M 1740 points
GeForce 920M 1180 points
Difference: 560 (47%)

Power Usage and Theoretical Benchmarks

Memory Bandwidth

The GeForce 940M should theoretically be a bit faster than the GeForce 920M overall. (explain)

GeForce 940M 16000 MB/sec
GeForce 920M 14400 MB/sec
Difference: 1600 (11%)

Texel Rate

The GeForce 920M is a bit (approximately 19%) better at AF than the GeForce 940M. (explain)

GeForce 920M 30528 Mtexels/sec
GeForce 940M 25728 Mtexels/sec
Difference: 4800 (19%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce 940M is a better choice, but not by far. (explain)

GeForce 940M 8576 Mpixels/sec
GeForce 920M 7632 Mpixels/sec
Difference: 944 (12%)

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 920M

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 920M GeForce 940M
Manufacturer nVidia nVidia
Year March 12 2015 March 12 2015
Code Name GK208 GM108
Memory 2048 MB 2048 MB
Core Speed 954 MHz 1072 MHz
Memory Speed 1800 MHz 2000 MHz
Power (Max TDP) (Unknown) watts (Unknown) watts
Bandwidth 14400 MB/sec 16000 MB/sec
Texel Rate 30528 Mtexels/sec 25728 Mtexels/sec
Pixel Rate 7632 Mpixels/sec 8576 Mpixels/sec
Unified Shaders 384 384
Texture Mapping Units 32 24
Render Output Units 8 8
Bus Type DDR3 DDR3
Bus Width 64-bit 64-bit
Fab Process 28 nm 28 nm
Transistors (Unknown) million (Unknown) million
Bus PCIe 3.0 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 maximum amount of data (counted in megabytes per second) that can be transported past the external memory interface within a second. It's calculated by multiplying the bus width by its memory speed. If it uses DDR type RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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GeForce 920M

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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