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GeForce GTX 970M vs Radeon RX 460

Intro

The GeForce GTX 970M makes use of a 28 nm design. nVidia has clocked the core speed at 924 MHz. The GDDR5 RAM is set to run at a frequency of 1000 MHz on this particular model. It features 1280 SPUs along with 80 TAUs and 48 ROPs.

Compare those specifications to the Radeon RX 460, which comes with a core clock frequency of 1090 MHz and a GDDR5 memory frequency of 1750 MHz. It also features a 128-bit bus, and makes use of a 14 nm design. It features 896 SPUs, 56 Texture Address Units, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

In theory, the Radeon RX 460 should be a little bit faster than the GeForce GTX 970M overall. (explain)

Radeon RX 460 112000 MB/sec
GeForce GTX 970M 96000 MB/sec
Difference: 16000 (17%)

Texel Rate

The GeForce GTX 970M is much (approximately 21%) better at anisotropic filtering than the Radeon RX 460. (explain)

GeForce GTX 970M 73920 Mtexels/sec
Radeon RX 460 61040 Mtexels/sec
Difference: 12880 (21%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTX 970M is the winner, by far. (explain)

GeForce GTX 970M 44352 Mpixels/sec
Radeon RX 460 17440 Mpixels/sec
Difference: 26912 (154%)

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 970M

Radeon RX 460

Specifications

Display Specifications

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Model GeForce GTX 970M Radeon RX 460
Manufacturer nVidia AMD
Year October 7 2014 August 2016
Code Name GM204 Polaris 11
Memory 3072 MB 4096 MB
Core Speed 924 MHz 1090 MHz
Memory Speed 4000 MHz 7000 MHz
Power (Max TDP) 75 watts 75 watts
Bandwidth 96000 MB/sec 112000 MB/sec
Texel Rate 73920 Mtexels/sec 61040 Mtexels/sec
Pixel Rate 44352 Mpixels/sec 17440 Mpixels/sec
Unified Shaders 1280 896
Texture Mapping Units 80 56
Render Output Units 48 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 maximum amount of data (measured in megabytes per second) that can be transferred past the external memory interface in a second. The number is calculated by multiplying the card's bus width by the speed of its memory. If it uses DDR type memory, the result should be multiplied by 2 once again. If 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 texture map elements (texels) that are applied per second. This figure is worked out by multiplying the total amount of texture units of the card by the core clock speed of the chip. The better this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the most pixels the video card can possibly record to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

GeForce GTX 970M

Radeon RX 460

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