GeForce GTX 260 vs Radeon RX 560

Intro

Compare all that to the Radeon RX 560, which makes use of a 14 nm design. AMD has set the core speed at 1175 MHz. The GDDR5 memory runs at a speed of 1750 MHz on this particular model. It features 1024 SPUs along with 64 TAUs and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 560		80 Watts
GeForce GTX 260		182 Watts
	Difference: 102 Watts (128%)

Memory Bandwidth

In theory, the Radeon RX 560 will be 3% quicker than the GeForce GTX 260 in general, because of its higher bandwidth. (explain)

Radeon RX 560		114688 MB/sec
GeForce GTX 260		111888 MB/sec
	Difference: 2800 (3%)

Texel Rate

The Radeon RX 560 should be quite a bit (more or less 104%) more effective at texture filtering than the GeForce GTX 260. (explain)

Radeon RX 560		75200 Mtexels/sec
GeForce GTX 260		36864 Mtexels/sec
	Difference: 38336 (104%)

Pixel Rate

The Radeon RX 560 will be a bit (about 17%) faster with regards to FSAA than the GeForce GTX 260, and also should be able to handle higher screen resolutions better. (explain)

Radeon RX 560		18800 Mpixels/sec
GeForce GTX 260		16128 Mpixels/sec
	Difference: 2672 (17%)

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 max amount of information (counted in megabytes per second) that can be moved across the external memory interface in a second. The number is calculated by multiplying the card's interface width by the speed of its memory. If the card has DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied in one second. This is calculated by multiplying the total number of texture units of the card by the core speed of the chip. The better the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly record to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill 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 max fill rate.