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GeForce 940M vs GeForce GT 320

Intro

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

Compare that to the GeForce GT 320, which makes use of a 40 nm design. nVidia has set the core speed at 540 MHz. The GDDR3 memory works at a speed of 790 MHz on this card. It features 72 SPUs as well as 24 TAUs and 8 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the GeForce GT 320 is 58% quicker than the GeForce 940M in general, due to its higher data rate. (explain)

GeForce GT 320 25280 MB/sec
GeForce 940M 16000 MB/sec
Difference: 9280 (58%)

Texel Rate

The GeForce 940M should be a lot (more or less 99%) better at anisotropic filtering than the GeForce GT 320. (explain)

GeForce 940M 25728 Mtexels/sec
GeForce GT 320 12960 Mtexels/sec
Difference: 12768 (99%)

Pixel Rate

If running with a high resolution is important to you, then the GeForce 940M is the winner, by a large margin. (explain)

GeForce 940M 8576 Mpixels/sec
GeForce GT 320 4320 Mpixels/sec
Difference: 4256 (99%)

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

Check prices at:

GeForce GT 320

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.

Specifications

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Model GeForce 940M GeForce GT 320
Manufacturer nVidia nVidia
Year March 12 2015 February 2010
Code Name GM108 GT215
Memory 2048 MB 1024 MB
Core Speed 1072 MHz 540 MHz
Memory Speed 2000 MHz 1580 MHz
Power (Max TDP) (Unknown) watts 43 watts
Bandwidth 16000 MB/sec 25280 MB/sec
Texel Rate 25728 Mtexels/sec 12960 Mtexels/sec
Pixel Rate 8576 Mpixels/sec 4320 Mpixels/sec
Unified Shaders 384 72
Texture Mapping Units 24 24
Render Output Units 8 8
Bus Type DDR3 GDDR3
Bus Width 64-bit 128-bit
Fab Process 28 nm 40 nm
Transistors (Unknown) million 727 million
Bus PCIe 3.0 x16 PCIe x16
DirectX Version DirectX 12 DirectX 10.1
OpenGL Version OpenGL 4.5 OpenGL 3.3

Memory Bandwidth: Memory bandwidth is the largest amount of data (measured in MB per second) that can be moved across the external memory interface within a second. It's calculated by multiplying the card's bus width by its memory clock speed. In the case of DDR type memory, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly record to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the number of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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GeForce 940M

Amazon.com

Check prices at:

GeForce GT 320

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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