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GeForce 9400 GT 256MB vs Radeon R5 M230

Intro

The GeForce 9400 GT 256MB comes with a clock speed of 550 MHz and a GDDR2 memory speed of 400 MHz. It also uses a 128-bit memory bus, and uses a 65 nm design. It is comprised of 16 SPUs, 8 Texture Address Units, and 4 Raster Operation Units.

Compare that to the Radeon R5 M230, which comes with core speeds of 780 MHz on the GPU, and 1000 MHz on the 2048 MB of DDR3 memory. It features 320 SPUs as well as 20 TAUs and 4 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the Radeon R5 M230 should be 25% faster than the GeForce 9400 GT 256MB in general, because of its higher bandwidth. (explain)

Radeon R5 M230 16000 MB/sec
GeForce 9400 GT 256MB 12800 MB/sec
Difference: 3200 (25%)

Texel Rate

The Radeon R5 M230 should be a lot (more or less 255%) faster with regards to texture filtering than the GeForce 9400 GT 256MB. (explain)

Radeon R5 M230 15600 Mtexels/sec
GeForce 9400 GT 256MB 4400 Mtexels/sec
Difference: 11200 (255%)

Pixel Rate

The Radeon R5 M230 is a lot (more or less 42%) more effective at full screen anti-aliasing than the GeForce 9400 GT 256MB, and also will be able to handle higher resolutions while still performing well. (explain)

Radeon R5 M230 3120 Mpixels/sec
GeForce 9400 GT 256MB 2200 Mpixels/sec
Difference: 920 (42%)

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 R5 M230

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 R5 M230
Manufacturer nVidia AMD
Year August 2008 2014
Code Name G96a Jet Pro
Memory 256 MB 2048 MB
Core Speed 550 MHz 780 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 15600 Mtexels/sec
Pixel Rate 2200 Mpixels/sec 3120 Mpixels/sec
Unified Shaders 16 320
Texture Mapping Units 8 20
Render Output Units 4 4
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 information (in units of megabytes per second) that can be transported past the external memory interface in a second. It is calculated by multiplying the card's interface width by its memory speed. If it uses DDR type RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster 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 are applied per second. This number is worked out by multiplying the total amount of texture units of the card by the core clock speed of the chip. The better the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly record to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce 9400 GT 256MB

Amazon.com

Check prices at:

Radeon R5 M230

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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