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GeForce 9400 GT 256MB vs GeForce GTX 960M

Intro

The GeForce 9400 GT 256MB features a clock frequency of 550 MHz and a GDDR2 memory speed of 400 MHz. It also uses a 128-bit bus, and uses a 65 nm design. It features 16 SPUs, 8 TAUs, and 4 Raster Operation Units.

Compare those specifications to the GeForce GTX 960M, which features core clock speeds of 1096 MHz on the GPU, and 1000 MHz on the 2048 MB of GDDR5 memory. It features 640 SPUs as well as 40 TAUs and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9400 GT 256MB 50 Watts
GeForce GTX 960M 65 Watts
Difference: 15 Watts (30%)

Memory Bandwidth

Performance-wise, the GeForce GTX 960M should in theory be quite a bit better than the GeForce 9400 GT 256MB overall. (explain)

GeForce GTX 960M 64000 MB/sec
GeForce 9400 GT 256MB 12800 MB/sec
Difference: 51200 (400%)

Texel Rate

The GeForce GTX 960M is a lot (about 896%) faster with regards to anisotropic filtering than the GeForce 9400 GT 256MB. (explain)

GeForce GTX 960M 43840 Mtexels/sec
GeForce 9400 GT 256MB 4400 Mtexels/sec
Difference: 39440 (896%)

Pixel Rate

If running with a high resolution is important to you, then the GeForce GTX 960M is a better choice, by far. (explain)

GeForce GTX 960M 17536 Mpixels/sec
GeForce 9400 GT 256MB 2200 Mpixels/sec
Difference: 15336 (697%)

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 9400 GT 256MB

Amazon.com

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GeForce GTX 960M

Amazon.com

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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 9400 GT 256MB GeForce GTX 960M
Manufacturer nVidia nVidia
Year August 2008 March 12 2015
Code Name G96a GM107
Memory 256 MB 2048 MB
Core Speed 550 MHz 1096 MHz
Memory Speed 800 MHz 4000 MHz
Power (Max TDP) 50 watts 65 watts
Bandwidth 12800 MB/sec 64000 MB/sec
Texel Rate 4400 Mtexels/sec 43840 Mtexels/sec
Pixel Rate 2200 Mpixels/sec 17536 Mpixels/sec
Unified Shaders 16 640
Texture Mapping Units 8 40
Render Output Units 4 16
Bus Type GDDR2 GDDR5
Bus Width 128-bit 128-bit
Fab Process 65 nm 28 nm
Transistors 314 million (Unknown) million
Bus PCIe x16 2.0, PCI PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 12
OpenGL Version OpenGL 3.0 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the largest amount of information (counted in megabytes per second) that can be moved across the external memory interface in a second. It is worked out by multiplying the card's bus width by its memory clock speed. If the card has DDR type memory, it must 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 AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly record to its local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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GeForce 9400 GT 256MB

Amazon.com

Check prices at:

GeForce GTX 960M

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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