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GeForce 9400 GT 256MB vs GeForce GTX 960

Intro

The GeForce 9400 GT 256MB features a core clock frequency of 550 MHz and a GDDR2 memory speed of 400 MHz. It also features a 128-bit memory bus, and makes use of a 65 nm design. It is made up of 16 SPUs, 8 Texture Address Units, and 4 ROPs.

Compare all that to the GeForce GTX 960, which features core clock speeds of 1127 MHz on the GPU, and 1750 MHz on the 2048 MB of GDDR5 memory. It features 1024 SPUs as well as 64 Texture Address Units and 32 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 960 120 Watts
Difference: 70 Watts (140%)

Memory Bandwidth

In theory, the GeForce GTX 960 should be 775% quicker than the GeForce 9400 GT 256MB overall, because of its higher data rate. (explain)

GeForce GTX 960 112000 MB/sec
GeForce 9400 GT 256MB 12800 MB/sec
Difference: 99200 (775%)

Texel Rate

The GeForce GTX 960 will be a lot (about 1539%) faster with regards to anisotropic filtering than the GeForce 9400 GT 256MB. (explain)

GeForce GTX 960 72128 Mtexels/sec
GeForce 9400 GT 256MB 4400 Mtexels/sec
Difference: 67728 (1539%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the GeForce GTX 960 is superior to the GeForce 9400 GT 256MB, by far. (explain)

GeForce GTX 960 36064 Mpixels/sec
GeForce 9400 GT 256MB 2200 Mpixels/sec
Difference: 33864 (1539%)

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 960

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 960
Manufacturer nVidia nVidia
Year August 2008 January 2015
Code Name G96a GM206
Memory 256 MB 2048 MB
Core Speed 550 MHz 1127 MHz
Memory Speed 800 MHz 7000 MHz
Power (Max TDP) 50 watts 120 watts
Bandwidth 12800 MB/sec 112000 MB/sec
Texel Rate 4400 Mtexels/sec 72128 Mtexels/sec
Pixel Rate 2200 Mpixels/sec 36064 Mpixels/sec
Unified Shaders 16 1024
Texture Mapping Units 8 64
Render Output Units 4 32
Bus Type GDDR2 GDDR5
Bus Width 128-bit 128-bit
Fab Process 65 nm 28 nm
Transistors 314 million 2940 million
Bus PCIe x16 2.0, PCI PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 12.0
OpenGL Version OpenGL 3.0 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the max amount of data (counted in megabytes per second) that can be transferred across the external memory interface in one second. It's calculated by multiplying the card's bus width by its memory speed. In the case of DDR type RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the 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 amount of texture map elements (texels) that can be applied per second. This is calculated by multiplying the total amount 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 in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly write to the local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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GeForce 9400 GT 256MB

Amazon.com

Check prices at:

GeForce GTX 960

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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