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GeForce GTX 870M vs Radeon RX 460


Intro

The GeForce GTX 870M uses a 28 nm design. nVidia has set the core speed at 941 MHz. The GDDR5 RAM is set to run at a speed of 1000 MHz on this model. It features 1344 SPUs as well as 112 TAUs and 24 Rasterization Operator Units.

Compare that to the Radeon RX 460, which has core clock speeds of 1090 MHz on the GPU, and 1750 MHz on the 4096 MB of GDDR5 memory. It features 896 SPUs along with 56 TAUs and 16 ROPs.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

Radeon RX 460 5600 points
GeForce GTX 870M 4770 points
Difference: 830 (17%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

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

Memory Bandwidth

The Radeon RX 460 should theoretically be a small bit faster than the GeForce GTX 870M in general. (explain)

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

Texel Rate

The GeForce GTX 870M is quite a bit (approximately 73%) more effective at texture filtering than the Radeon RX 460. (explain)

GeForce GTX 870M 105392 Mtexels/sec
Radeon RX 460 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, and very much so. (explain)

GeForce GTX 870M 22584 Mpixels/sec
Radeon RX 460 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

GeForce GTX 870M

Radeon RX 460

Specifications

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Model GeForce GTX 870M Radeon RX 460
Manufacturer nVidia AMD
Year March 12 2014 August 2016
Code Name GK104 Polaris 11
Memory 3072 MB 4096 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 transported across the external memory interface in one second. It is calculated by multiplying the card's bus width by its memory clock speed. If the card has DDR type RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, 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 amount of texture map elements (texels) that can be applied per second. This number is worked out 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 per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly record to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Raster Operations Pipelines by the clock speed of the card. 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 bandwidth is, the lower the ability to reach the maximum fill rate.

GeForce GTX 870M

Radeon RX 460

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