GeForce GTX 550 Ti vs Radeon RX 470 4GB

Intro

Compare those specs to the Radeon RX 470 4GB, which uses a 14 nm design. AMD has clocked the core speed at 926 MHz. The GDDR5 RAM runs at a frequency of 1650 MHz on this specific model. It features 2048 SPUs as well as 128 Texture Address Units and 32 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 550 Ti		116 Watts
Radeon RX 470 4GB		120 Watts
	Difference: 4 Watts (3%)

Memory Bandwidth

In theory, the Radeon RX 470 4GB will be 114% faster than the GeForce GTX 550 Ti overall, because of its higher bandwidth. (explain)

Radeon RX 470 4GB		211200 MB/sec
GeForce GTX 550 Ti		98496 MB/sec
	Difference: 112704 (114%)

Texel Rate

The Radeon RX 470 4GB is much (about 312%) faster with regards to anisotropic filtering than the GeForce GTX 550 Ti. (explain)

Radeon RX 470 4GB		118528 Mtexels/sec
GeForce GTX 550 Ti		28800 Mtexels/sec
	Difference: 89728 (312%)

Pixel Rate

If using a high resolution is important to you, then the Radeon RX 470 4GB is the winner, by far. (explain)

Radeon RX 470 4GB		29632 Mpixels/sec
GeForce GTX 550 Ti		21600 Mpixels/sec
	Difference: 8032 (37%)

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 (in units of megabytes per second) that can be transferred past the external memory interface within a second. It's calculated by multiplying the card's interface width by its memory speed. If the card has DDR type RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed per second. This is worked out by multiplying the total number of texture units by the core speed of the chip. The higher this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.