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GeForce GTX 870M vs Radeon RX 460 2GB

Intro

The GeForce GTX 870M features a clock speed of 941 MHz and a GDDR5 memory frequency of 1000 MHz. It also features a 192-bit bus, and uses a 28 nm design. It is made up of 1344 SPUs, 112 Texture Address Units, and 24 Raster Operation Units.

Compare all of that to the Radeon RX 460 2GB, which comes with core clock speeds of 1090 MHz on the GPU, and 1750 MHz on the 2048 MB of GDDR5 memory. It features 896 SPUs as well as 56 TAUs and 16 ROPs.

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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

Performance-wise, the Radeon RX 460 2GB should theoretically be a bit better than the GeForce GTX 870M overall. (explain)

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

Texel Rate

The GeForce GTX 870M is much (approximately 73%) better at AF 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 running with a high resolution is important to you, then the GeForce GTX 870M is superior to the Radeon RX 460 2GB, by far. (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

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.

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: Bandwidth is the max amount of data (counted in MB per second) that can be transported over the external memory interface in a second. It is worked out by multiplying the bus width by the speed of its memory. In the case of DDR memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed in one second. This figure is calculated by multiplying the total number of texture units of the card by the core clock 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 maximum amount of pixels the video card could possibly record to the local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. 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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