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GeForce 940M vs GeForce 9500 GT 1GB GDDR3

Intro

The GeForce 940M uses a 28 nm design. nVidia has clocked the core speed at 1072 MHz. The DDR3 memory runs at a speed of 1000 MHz on this card. It features 384 SPUs as well as 24 Texture Address Units and 8 Rasterization Operator Units.

Compare all that to the GeForce 9500 GT 1GB GDDR3, which features clock speeds of 550 MHz on the GPU, and 800 MHz on the 1024 MB of GDDR3 memory. It features 32 SPUs along with 16 Texture Address Units and 8 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The GeForce 9500 GT 1GB GDDR3, in theory, should be a lot faster than the GeForce 940M in general. (explain)

GeForce 9500 GT 1GB GDDR3 25600 MB/sec
GeForce 940M 16000 MB/sec
Difference: 9600 (60%)

Texel Rate

The GeForce 940M will be a lot (about 192%) faster with regards to AF than the GeForce 9500 GT 1GB GDDR3. (explain)

GeForce 940M 25728 Mtexels/sec
GeForce 9500 GT 1GB GDDR3 8800 Mtexels/sec
Difference: 16928 (192%)

Pixel Rate

The GeForce 940M will be quite a bit (approximately 95%) faster with regards to anti-aliasing than the GeForce 9500 GT 1GB GDDR3, and should be capable of handling higher screen resolutions better. (explain)

GeForce 940M 8576 Mpixels/sec
GeForce 9500 GT 1GB GDDR3 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

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GeForce 9500 GT 1GB GDDR3

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 1GB GDDR3
Manufacturer nVidia nVidia
Year March 12 2015 July 2008
Code Name GM108 G96b
Memory 2048 MB 1024 MB
Core Speed 1072 MHz 550 MHz
Memory Speed 2000 MHz 1600 MHz
Power (Max TDP) (Unknown) watts 50 watts
Bandwidth 16000 MB/sec 25600 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 GDDR3
Bus Width 64-bit 128-bit
Fab Process 28 nm 55 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 max amount of information (counted in MB per second) that can be moved across the external memory interface within a second. It's calculated by multiplying the bus width by the speed of its memory. In the case of DDR RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly write to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

GeForce 940M

Amazon.com

Check prices at:

GeForce 9500 GT 1GB GDDR3

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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