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GeForce 940M vs GeForce 9600 GSO ASUS 512

Intro

The GeForce 940M has core clock speeds of 1072 MHz on the GPU, and 1000 MHz on the 2048 MB of DDR3 memory. It features 384 SPUs along with 24 Texture Address Units and 8 ROPs.

Compare all that to the GeForce 9600 GSO ASUS 512, which uses a 65 nm design. nVidia has clocked the core speed at 550 MHz. The DDR2 memory runs at a speed of 500 MHz on this model. It features 96 SPUs along with 48 Texture Address Units and 12 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Both cards have exactly the same memory bandwidth, so in theory they should have the same performance. (explain)

Texel Rate

The GeForce 9600 GSO ASUS 512 will be a bit (about 3%) faster with regards to anisotropic filtering than the GeForce 940M. (explain)

GeForce 9600 GSO ASUS 512 26400 Mtexels/sec
GeForce 940M 25728 Mtexels/sec
Difference: 672 (3%)

Pixel Rate

The GeForce 940M should be a lot (approximately 30%) better at full screen anti-aliasing than the GeForce 9600 GSO ASUS 512, and also will be able to handle higher resolutions without slowing down too much. (explain)

GeForce 940M 8576 Mpixels/sec
GeForce 9600 GSO ASUS 512 6600 Mpixels/sec
Difference: 1976 (30%)

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 GSO ASUS 512

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 GSO ASUS 512
Manufacturer nVidia nVidia
Year March 12 2015 September 2008
Code Name GM108 G92
Memory 2048 MB 512 MB
Core Speed 1072 MHz 550 MHz
Memory Speed 2000 MHz 1000 MHz
Power (Max TDP) (Unknown) watts 84 watts
Bandwidth 16000 MB/sec 16000 MB/sec
Texel Rate 25728 Mtexels/sec 26400 Mtexels/sec
Pixel Rate 8576 Mpixels/sec 6600 Mpixels/sec
Unified Shaders 384 96
Texture Mapping Units 24 48
Render Output Units 8 12
Bus Type DDR3 DDR2
Bus Width 64-bit 128-bit
Fab Process 28 nm 65 nm
Transistors (Unknown) million 754 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 max amount of information (in units of MB per second) that can be moved across the external memory interface within a second. The number is calculated by multiplying the card's bus width by the speed of its memory. If the card has DDR memory, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better 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 are processed per second. This is worked out by multiplying the total texture units by the core clock 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 in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics 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 Raster Operations Pipelines by the the card's clock speed. 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, 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 GSO ASUS 512

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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