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GeForce 9400 GT 256MB vs Radeon R5 M230

Intro

The GeForce 9400 GT 256MB features a GPU core speed of 550 MHz, and the 256 MB of GDDR2 RAM is set to run at 400 MHz through a 128-bit bus. It also is made up of 16 Stream Processors, 8 TAUs, and 4 ROPs.

Compare those specifications to the Radeon R5 M230, which has core speeds of 780 MHz on the GPU, and 1000 MHz on the 2048 MB of DDR3 memory. It features 320 SPUs along with 20 Texture Address Units and 4 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The Radeon R5 M230, in theory, should be quite a bit faster than the GeForce 9400 GT 256MB overall. (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 much (approximately 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

If running with high levels of AA is important to you, then the Radeon R5 M230 is the winner, and very much so. (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 data (counted in megabytes per second) that can be moved across the external memory interface in a second. It is worked out by multiplying the bus width by its memory speed. If it uses DDR type RAM, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed per second. This number is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The higher the texel rate, 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 most pixels that the graphics chip can possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel 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 get to the maximum fill rate.

Display Prices

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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.

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