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GeForce 8400 GS 512MB vs Radeon RX 560

Intro

The GeForce 8400 GS 512MB uses a 80 nm design. nVidia has clocked the core speed at 650 MHz. The DDR2 memory runs at a speed of 400 MHz on this card. It features 16 SPUs along with 8 TAUs and 4 ROPs.

Compare all that to the Radeon RX 560, which uses a 14 nm design. AMD has clocked the core speed at 1175 MHz. The GDDR5 memory runs at a frequency of 7000 MHz on this particular card. It features 1024 SPUs along with 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

Theoretically speaking, the Radeon RX 560 should be 1692% quicker than the GeForce 8400 GS 512MB in general, due to its higher data rate. (explain)

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

Texel Rate

The Radeon RX 560 is much (about 1346%) faster with regards to 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

If using lots of anti-aliasing is important to you, then the Radeon RX 560 is a better choice, by far. (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: Bandwidth is the largest amount of data (in units of MB per second) that can be transferred across the external memory interface within a second. It is calculated by multiplying the bus width by the speed of its memory. In the case of DDR RAM, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better 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 number of texture map elements (texels) that are processed in one second. This is worked out by multiplying the total texture units by the core speed of the chip. The higher the texel rate, the better the 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 maximum number of pixels the video card can possibly record to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum 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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