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GeForce 9400 GT 256MB vs Radeon R5 M230

Intro

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

Compare those specifications to the Radeon R5 M230, which comes with a clock speed of 780 MHz and a DDR3 memory speed of 1000 MHz. It also uses a 64-bit bus, and uses a 28 nm design. It is made up of 320 SPUs, 20 TAUs, and 4 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The Radeon R5 M230 should theoretically perform much faster than the GeForce 9400 GT 256MB in general. (explain)

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

Texel Rate

The Radeon R5 M230 is quite a bit (more or less 255%) better at anisotropic 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

If running with high levels of AA is important to you, then the Radeon R5 M230 is superior to the GeForce 9400 GT 256MB, by a large margin. (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: Memory bandwidth is the max amount of information (counted in MB per second) that can be moved over the external memory interface within a second. The number is worked out by multiplying the card's bus width by its memory speed. In the case of DDR RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed in one second. This is calculated by multiplying the total amount of texture units of the card by the core 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 in a second.

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