Radeon R7 250 vs Radeon RX 560

Intro

Compare those specs to the Radeon RX 560, which features core speeds of 1175 MHz on the GPU, and 1750 MHz on the 4096 MB of GDDR5 RAM. It features 1024 SPUs as well as 64 Texture Address Units and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 250		65 Watts
Radeon RX 560		80 Watts
	Difference: 15 Watts (23%)

Memory Bandwidth

In theory, the Radeon RX 560 should be quite a bit faster than the Radeon R7 250 in general. (explain)

Radeon RX 560		114688 MB/sec
Radeon R7 250		73600 MB/sec
	Difference: 41088 (56%)

Texel Rate

The Radeon RX 560 will be a lot (more or less 213%) more effective at texture filtering than the Radeon R7 250. (explain)

Radeon RX 560		75200 Mtexels/sec
Radeon R7 250		24000 Mtexels/sec
	Difference: 51200 (213%)

Pixel Rate

If using a high resolution is important to you, then the Radeon RX 560 is superior to the Radeon R7 250, by far. (explain)

Radeon RX 560		18800 Mpixels/sec
Radeon R7 250		8000 Mpixels/sec
	Difference: 10800 (135%)

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 largest amount of information (measured in megabytes per second) that can be transferred across the external memory interface within a second. It's calculated by multiplying the card's bus width by the speed of its memory. If it uses DDR type RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the memory bandwidth, 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 can be processed in one second. This figure is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the video 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 most pixels the video card could possibly write to its local memory in one 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 - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.