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GeForce 8400 GS 512MB vs Radeon RX 560

Intro

The GeForce 8400 GS 512MB features a GPU core speed of 650 MHz, and the 512 MB of DDR2 memory runs at 400 MHz through a 64-bit bus. It also features 16 SPUs, 8 Texture Address Units, and 4 Raster Operation Units.

Compare those specifications to the Radeon RX 560, which comes with core speeds of 1175 MHz on the GPU, and 7000 MHz on the 4096 MB of GDDR5 memory. It features 1024 SPUs as well as 64 Texture Address Units and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8400 GS 512MB 40 Watts
Radeon RX 560 80 Watts
Difference: 40 Watts (100%)

Memory Bandwidth

Performance-wise, the Radeon RX 560 should in theory be quite a bit superior to the GeForce 8400 GS 512MB in general. (explain)

Radeon RX 560 114688 MB/sec
GeForce 8400 GS 512MB 6400 MB/sec
Difference: 108288 (1692%)

Texel Rate

The Radeon RX 560 should be quite a bit (more or less 1346%) better at AF than the GeForce 8400 GS 512MB. (explain)

Radeon RX 560 75200 Mtexels/sec
GeForce 8400 GS 512MB 5200 Mtexels/sec
Difference: 70000 (1346%)

Pixel Rate

The Radeon RX 560 should be quite a bit (about 623%) faster with regards to AA than the GeForce 8400 GS 512MB, and will be able to handle higher screen resolutions more effectively. (explain)

Radeon RX 560 18800 Mpixels/sec
GeForce 8400 GS 512MB 2600 Mpixels/sec
Difference: 16200 (623%)

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 8400 GS 512MB

Amazon.com

Check prices at:

Radeon RX 560

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 8400 GS 512MB Radeon RX 560
Manufacturer nVidia AMD
Year June 2007 May 2017
Code Name G86 Baffin
Memory 512 MB 4096 MB
Core Speed 650 MHz 1175 MHz
Memory Speed 800 MHz 28000 MHz
Power (Max TDP) 40 watts 80 watts
Bandwidth 6400 MB/sec 114688 MB/sec
Texel Rate 5200 Mtexels/sec 75200 Mtexels/sec
Pixel Rate 2600 Mpixels/sec 18800 Mpixels/sec
Unified Shaders 16 1024
Texture Mapping Units 8 64
Render Output Units 4 16
Bus Type DDR2 GDDR5
Bus Width 64-bit 128-bit
Fab Process 80 nm 14 nm
Transistors 210 million 3000 million
Bus PCIe x16, PCI PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 12.0
OpenGL Version OpenGL 3.0 OpenGL 4.6

Memory Bandwidth: Memory bandwidth is the largest amount of information (in units of megabytes per second) that can be moved over the external memory interface in a second. It is calculated by multiplying the card's interface width by its memory speed. If the card has DDR type memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the card's 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 number of texture map elements (texels) that can be applied per second. This is calculated by multiplying the total texture units by the core clock speed of the chip. The better this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly write to the local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

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GeForce 8400 GS 512MB

Amazon.com

Check prices at:

Radeon RX 560

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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