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GeForce 930M vs GeForce 940M

Intro

The GeForce 930M has a core clock speed of 928 MHz and a DDR3 memory frequency of 900 MHz. It also features a 64-bit memory bus, and uses a 28 nm design. It is comprised of 384 SPUs, 24 Texture Address Units, and 8 ROPs.

Compare those specs to the GeForce 940M, which has GPU core speed of 1072 MHz, and 2048 MB of DDR3 memory running at 1000 MHz through a 64-bit bus. It also is made up of 384 SPUs, 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 930M 1490 points
Difference: 250 (17%)

Power Usage and Theoretical Benchmarks

Memory Bandwidth

As far as performance goes, the GeForce 940M should in theory be a bit superior to the GeForce 930M in general. (explain)

GeForce 940M 16000 MB/sec
GeForce 930M 14400 MB/sec
Difference: 1600 (11%)

Texel Rate

The GeForce 940M is a little bit (about 16%) better at texture filtering than the GeForce 930M. (explain)

GeForce 940M 25728 Mtexels/sec
GeForce 930M 22272 Mtexels/sec
Difference: 3456 (16%)

Pixel Rate

If using a high resolution is important to you, then the GeForce 940M is a better choice, but not by far. (explain)

GeForce 940M 8576 Mpixels/sec
GeForce 930M 7424 Mpixels/sec
Difference: 1152 (16%)

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 930M

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 930M GeForce 940M
Manufacturer nVidia nVidia
Year March 12 2015 March 12 2015
Code Name GM108 GM108
Memory 2048 MB 2048 MB
Core Speed 928 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 22272 Mtexels/sec 25728 Mtexels/sec
Pixel Rate 7424 Mpixels/sec 8576 Mpixels/sec
Unified Shaders 384 384
Texture Mapping Units 24 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 (in units of megabytes per second) that can be transferred across the external memory interface in one second. It is worked out by multiplying the card's interface width by its memory clock speed. In the case of DDR memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied in one second. This figure is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The better this number, the better the video 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 could possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs by the the core 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 lots of 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 930M

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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