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GeForce 940M vs GeForce 9500 GT DDR2

Intro

The GeForce 940M features core speeds of 1072 MHz on the GPU, and 1000 MHz on the 2048 MB of DDR3 RAM. It features 384 SPUs along with 24 TAUs and 8 Rasterization Operator Units.

Compare those specifications to the GeForce 9500 GT DDR2, which has GPU clock speed of 550 MHz, and 256 MB of DDR2 RAM set to run at 500 MHz through a 128-bit bus. It also is made up of 32 SPUs, 16 TAUs, and 8 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

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

Texel Rate

The GeForce 940M will be much (approximately 192%) more effective at AF than the GeForce 9500 GT DDR2. (explain)

GeForce 940M 25728 Mtexels/sec
GeForce 9500 GT DDR2 8800 Mtexels/sec
Difference: 16928 (192%)

Pixel Rate

If using a high resolution is important to you, then the GeForce 940M is superior to the GeForce 9500 GT DDR2, by far. (explain)

GeForce 940M 8576 Mpixels/sec
GeForce 9500 GT DDR2 4400 Mpixels/sec
Difference: 4176 (95%)

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 9500 GT DDR2

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 9500 GT DDR2
Manufacturer nVidia nVidia
Year March 12 2015 July 2008
Code Name GM108 G96a
Memory 2048 MB 256 MB
Core Speed 1072 MHz 550 MHz
Memory Speed 2000 MHz 1000 MHz
Power (Max TDP) (Unknown) watts 50 watts
Bandwidth 16000 MB/sec 16000 MB/sec
Texel Rate 25728 Mtexels/sec 8800 Mtexels/sec
Pixel Rate 8576 Mpixels/sec 4400 Mpixels/sec
Unified Shaders 384 32
Texture Mapping Units 24 16
Render Output Units 8 8
Bus Type DDR3 DDR2
Bus Width 64-bit 128-bit
Fab Process 28 nm 65 nm
Transistors (Unknown) million 314 million
Bus PCIe 3.0 x16 PCIe x16 2.0, PCI
DirectX Version DirectX 12 DirectX 10
OpenGL Version OpenGL 4.5 OpenGL 3.0

Memory Bandwidth: Bandwidth is the maximum amount of data (in units of megabytes per second) that can be transported across the external memory interface in a second. The number is calculated by multiplying the bus width by the speed of its memory. In the case of DDR memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed per second. This is worked out by multiplying the total number of texture units 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 applied per second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly write to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

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GeForce 940M

Amazon.com

Check prices at:

GeForce 9500 GT DDR2

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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