GeForce GTX 460 1GB vs Radeon RX 560

Intro

Compare all that to the Radeon RX 560, which has GPU core speed of 1175 MHz, and 4096 MB of GDDR5 memory set to run at 1750 MHz through a 128-bit bus. It also features 1024 SPUs, 64 Texture Address Units, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 560		80 Watts
GeForce GTX 460 1GB		160 Watts
	Difference: 80 Watts (100%)

Memory Bandwidth

The GeForce GTX 460 1GB, in theory, should perform just a bit faster than the Radeon RX 560 overall. (explain)

GeForce GTX 460 1GB		115200 MB/sec
Radeon RX 560		114688 MB/sec
	Difference: 512 (0%)

Texel Rate

The Radeon RX 560 will be quite a bit (approximately 99%) faster with regards to texture filtering than the GeForce GTX 460 1GB. (explain)

Radeon RX 560		75200 Mtexels/sec
GeForce GTX 460 1GB		37800 Mtexels/sec
	Difference: 37400 (99%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GTX 460 1GB is a better choice, though only just barely. (explain)

GeForce GTX 460 1GB		21600 Mpixels/sec
Radeon RX 560		18800 Mpixels/sec
	Difference: 2800 (15%)

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

Specifications

Memory Bandwidth: Bandwidth is the maximum amount of information (counted in MB per second) that can be transported past the external memory interface within a second. The number is worked out by multiplying the bus width by its memory clock speed. If it uses DDR RAM, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed in one second. This number is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The better the texel rate, 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 that the graphics card can possibly record to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.