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GeForce 9400 GT 256MB vs Radeon R7 M260

Intro

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

Compare that to the Radeon R7 M260, which comes with GPU core speed of 715 MHz, and 2048 MB of DDR3 RAM running at 1000 MHz through a 64-bit bus. It also features 384 SPUs, 24 Texture Address Units, and 8 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The Radeon R7 M260 should in theory perform much faster than the GeForce 9400 GT 256MB in general. (explain)

Radeon R7 M260 16000 MB/sec
GeForce 9400 GT 256MB 12800 MB/sec
Difference: 3200 (25%)

Texel Rate

The Radeon R7 M260 is a lot (about 290%) faster with regards to texture filtering than the GeForce 9400 GT 256MB. (explain)

Radeon R7 M260 17160 Mtexels/sec
GeForce 9400 GT 256MB 4400 Mtexels/sec
Difference: 12760 (290%)

Pixel Rate

The Radeon R7 M260 is quite a bit (about 160%) better at anti-aliasing than the GeForce 9400 GT 256MB, and also will be capable of handling higher resolutions without slowing down too much. (explain)

Radeon R7 M260 5720 Mpixels/sec
GeForce 9400 GT 256MB 2200 Mpixels/sec
Difference: 3520 (160%)

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

Check prices at:

Radeon R7 M260

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 9400 GT 256MB Radeon R7 M260
Manufacturer nVidia AMD
Year August 2008 June 2014
Code Name G96a Opal/Topaz
Memory 256 MB 2048 MB
Core Speed 550 MHz 715 MHz
Memory Speed 800 MHz 2000 MHz
Power (Max TDP) 50 watts (Unknown) watts
Bandwidth 12800 MB/sec 16000 MB/sec
Texel Rate 4400 Mtexels/sec 17160 Mtexels/sec
Pixel Rate 2200 Mpixels/sec 5720 Mpixels/sec
Unified Shaders 16 384
Texture Mapping Units 8 24
Render Output Units 4 8
Bus Type GDDR2 DDR3
Bus Width 128-bit 64-bit
Fab Process 65 nm 28 nm
Transistors 314 million (Unknown) million
Bus PCIe x16 2.0, PCI PCIe 3.0 x8
DirectX Version DirectX 10 DirectX 11.2
OpenGL Version OpenGL 3.0 OpenGL 4.3

Memory Bandwidth: Bandwidth is the max amount of data (in units of megabytes per second) that can be transferred past the external memory interface in one second. It's calculated by multiplying the card's bus width by its memory speed. If the card has DDR memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied per second. This figure is calculated by multiplying the total amount of texture units by the core 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 per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly record to the 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 - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory 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:

Radeon R7 M260

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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