Geforce GTX 690 vs Radeon RX 470 4GB

Intro

Compare those specs to the Radeon RX 470 4GB, which makes use of a 14 nm design. AMD has set the core frequency at 926 MHz. The GDDR5 RAM runs at a frequency of 1650 MHz on this card. It features 2048 SPUs as well as 128 TAUs and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 470 4GB		120 Watts
Geforce GTX 690		300 Watts
	Difference: 180 Watts (150%)

Memory Bandwidth

The Geforce GTX 690, in theory, should perform much faster than the Radeon RX 470 4GB in general. (explain)

Geforce GTX 690		384512 MB/sec
Radeon RX 470 4GB		211200 MB/sec
	Difference: 173312 (82%)

Texel Rate

The Geforce GTX 690 should be quite a bit (approximately 98%) more effective at AF than the Radeon RX 470 4GB. (explain)

Geforce GTX 690		234240 Mtexels/sec
Radeon RX 470 4GB		118528 Mtexels/sec
	Difference: 115712 (98%)

Pixel Rate

If running with high levels of AA is important to you, then the Geforce GTX 690 is superior to the Radeon RX 470 4GB, by a large margin. (explain)

Geforce GTX 690		58560 Mpixels/sec
Radeon RX 470 4GB		29632 Mpixels/sec
	Difference: 28928 (98%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

Specifications

Memory Bandwidth: Bandwidth is the maximum amount of information (counted in megabytes per second) that can be moved over the external memory interface in one second. It is worked out by multiplying the interface width by its memory speed. If it uses DDR RAM, it should be multiplied by 2 once 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, HDR 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 by the core 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 applied per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly record to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.