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GeForce GTX 870M vs Radeon RX 460 2GB

Intro

The GeForce GTX 870M features a GPU core clock speed of 941 MHz, and the 3072 MB of GDDR5 memory is set to run at 1000 MHz through a 192-bit bus. It also is made up of 1344 SPUs, 112 TAUs, and 24 Raster Operation Units.

Compare those specs to the Radeon RX 460 2GB, which features GPU core speed of 1090 MHz, and 2048 MB of GDDR5 memory running at 1750 MHz through a 128-bit bus. It also features 896 SPUs, 56 TAUs, and 16 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 460 2GB 75 Watts
GeForce GTX 870M 110 Watts
Difference: 35 Watts (47%)

Memory Bandwidth

Theoretically speaking, the Radeon RX 460 2GB is 17% quicker than the GeForce GTX 870M in general, due to its greater data rate. (explain)

Radeon RX 460 2GB 112000 MB/sec
GeForce GTX 870M 96000 MB/sec
Difference: 16000 (17%)

Texel Rate

The GeForce GTX 870M will be a lot (more or less 73%) more effective at anisotropic filtering than the Radeon RX 460 2GB. (explain)

GeForce GTX 870M 105392 Mtexels/sec
Radeon RX 460 2GB 61040 Mtexels/sec
Difference: 44352 (73%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTX 870M is superior to the Radeon RX 460 2GB, by a large margin. (explain)

GeForce GTX 870M 22584 Mpixels/sec
Radeon RX 460 2GB 17440 Mpixels/sec
Difference: 5144 (29%)

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

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Radeon RX 460 2GB

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 460 2GB
Manufacturer nVidia AMD
Year March 12 2014 August 2016
Code Name GK104 Polaris 11
Memory 3072 MB 2048 MB
Core Speed 941 MHz 1090 MHz
Memory Speed 4000 MHz 7000 MHz
Power (Max TDP) 110 watts 75 watts
Bandwidth 96000 MB/sec 112000 MB/sec
Texel Rate 105392 Mtexels/sec 61040 Mtexels/sec
Pixel Rate 22584 Mpixels/sec 17440 Mpixels/sec
Unified Shaders 1344 896
Texture Mapping Units 112 56
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 4.5

Memory Bandwidth: Memory bandwidth is the maximum amount of data (measured in MB per second) that can be transferred across the external memory interface in one second. The number is worked out by multiplying the interface width by its memory speed. If the card has DDR type memory, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed in one second. This number is calculated by multiplying the total amount of 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 texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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GeForce GTX 870M

Amazon.com

Check prices at:

Radeon RX 460 2GB

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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