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GeForce 940M vs GeForce 9600 GT 1GB

Intro

The GeForce 940M comes with a core clock speed of 1072 MHz and a DDR3 memory speed of 1000 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 that to the GeForce 9600 GT 1GB, which features GPU core speed of 650 MHz, and 1024 MB of GDDR3 RAM set to run at 900 MHz through a 256-bit bus. It also is comprised of 64 SPUs, 32 TAUs, and 16 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The GeForce 9600 GT 1GB, in theory, should be quite a bit faster than the GeForce 940M in general. (explain)

GeForce 9600 GT 1GB 57600 MB/sec
GeForce 940M 16000 MB/sec
Difference: 41600 (260%)

Texel Rate

The GeForce 940M will be much (more or less 24%) more effective at AF than the GeForce 9600 GT 1GB. (explain)

GeForce 940M 25728 Mtexels/sec
GeForce 9600 GT 1GB 20800 Mtexels/sec
Difference: 4928 (24%)

Pixel Rate

The GeForce 9600 GT 1GB will be much (approximately 21%) more effective at AA than the GeForce 940M, and also should be able to handle higher resolutions without slowing down too much. (explain)

GeForce 9600 GT 1GB 10400 Mpixels/sec
GeForce 940M 8576 Mpixels/sec
Difference: 1824 (21%)

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 9600 GT 1GB

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 9600 GT 1GB
Manufacturer nVidia nVidia
Year March 12 2015 Feb 2008
Code Name GM108 G94a/b
Memory 2048 MB 1024 MB
Core Speed 1072 MHz 650 MHz
Memory Speed 2000 MHz 1800 MHz
Power (Max TDP) (Unknown) watts 95 watts
Bandwidth 16000 MB/sec 57600 MB/sec
Texel Rate 25728 Mtexels/sec 20800 Mtexels/sec
Pixel Rate 8576 Mpixels/sec 10400 Mpixels/sec
Unified Shaders 384 64
Texture Mapping Units 24 32
Render Output Units 8 16
Bus Type DDR3 GDDR3
Bus Width 64-bit 256-bit
Fab Process 28 nm 65/55 nm
Transistors (Unknown) million 505 million
Bus PCIe 3.0 x16 PCIe x16 2.0
DirectX Version DirectX 12 DirectX 10
OpenGL Version OpenGL 4.5 OpenGL 3.0

Memory Bandwidth: Memory bandwidth is the largest amount of information (measured in megabytes per second) that can be transferred across the external memory interface within a second. The number is calculated by multiplying the interface width by its memory speed. In the case of DDR RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly record to the local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

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GeForce 940M

Amazon.com

Check prices at:

GeForce 9600 GT 1GB

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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