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GeForce GTX 870M vs Radeon RX 560

Intro

The GeForce GTX 870M comes with a core clock speed of 941 MHz and a GDDR5 memory speed of 1000 MHz. It also makes use of a 192-bit bus, and uses a 28 nm design. It is made up of 1344 SPUs, 112 TAUs, and 24 ROPs.

Compare all that to the Radeon RX 560, which has core speeds of 1175 MHz on the GPU, and 7000 MHz on the 4096 MB of GDDR5 memory. 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)

Radeon RX 560 80 Watts
GeForce GTX 870M 110 Watts
Difference: 30 Watts (38%)

Memory Bandwidth

As far as performance goes, the Radeon RX 560 should in theory be a little bit superior to the GeForce GTX 870M in general. (explain)

Radeon RX 560 114688 MB/sec
GeForce GTX 870M 96000 MB/sec
Difference: 18688 (19%)

Texel Rate

The GeForce GTX 870M is quite a bit (approximately 40%) better at AF than the Radeon RX 560. (explain)

GeForce GTX 870M 105392 Mtexels/sec
Radeon RX 560 75200 Mtexels/sec
Difference: 30192 (40%)

Pixel Rate

The GeForce GTX 870M should be a little bit (approximately 20%) better at FSAA than the Radeon RX 560, and will be able to handle higher resolutions while still performing well. (explain)

GeForce GTX 870M 22584 Mpixels/sec
Radeon RX 560 18800 Mpixels/sec
Difference: 3784 (20%)

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 GTX 870M

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 GTX 870M Radeon RX 560
Manufacturer nVidia AMD
Year March 12 2014 May 2017
Code Name GK104 Baffin
Memory 3072 MB 4096 MB
Core Speed 941 MHz 1175 MHz
Memory Speed 4000 MHz 28000 MHz
Power (Max TDP) 110 watts 80 watts
Bandwidth 96000 MB/sec 114688 MB/sec
Texel Rate 105392 Mtexels/sec 75200 Mtexels/sec
Pixel Rate 22584 Mpixels/sec 18800 Mpixels/sec
Unified Shaders 1344 1024
Texture Mapping Units 112 64
Render Output Units 24 16
Bus Type GDDR5 GDDR5
Bus Width 192-bit 128-bit
Fab Process 28 nm 14 nm
Transistors (Unknown) million 3000 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12 DirectX 12.0
OpenGL Version OpenGL 4.5 OpenGL 4.6

Memory Bandwidth: Bandwidth is the max amount of data (measured in MB per second) that can be moved over the external memory interface in one second. It is worked out by multiplying the card's interface width by the speed of its memory. If the card has DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed in one second. This is worked out by multiplying the total texture units of the card by the core speed of the chip. The higher this number, the better the graphics 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 the video card can possibly write to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Render Output Units by the the card's 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, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

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GeForce GTX 870M

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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