Nvidia Titan X vs Radeon RX 470 4GB

Intro

Compare that to the Radeon RX 470 4GB, which uses a 14 nm design. AMD has set the core speed at 926 MHz. The GDDR5 memory runs at a speed of 1650 MHz on this model. It features 2048 SPUs as well as 128 TAUs and 32 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 470 4GB		120 Watts
Nvidia Titan X		250 Watts
	Difference: 130 Watts (108%)

Memory Bandwidth

Performance-wise, the Nvidia Titan X should in theory be quite a bit better than the Radeon RX 470 4GB overall. (explain)

Nvidia Titan X		491520 MB/sec
Radeon RX 470 4GB		211200 MB/sec
	Difference: 280320 (133%)

Texel Rate

The Nvidia Titan X should be much (about 168%) faster with regards to texture filtering than the Radeon RX 470 4GB. (explain)

Nvidia Titan X		317408 Mtexels/sec
Radeon RX 470 4GB		118528 Mtexels/sec
	Difference: 198880 (168%)

Pixel Rate

The Nvidia Titan X should be much (about 359%) better at FSAA than the Radeon RX 470 4GB, and should be able to handle higher resolutions more effectively. (explain)

Nvidia Titan X		136032 Mpixels/sec
Radeon RX 470 4GB		29632 Mpixels/sec
	Difference: 106400 (359%)

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: Memory bandwidth is the max amount of data (in units of MB per second) that can be transported across the external memory interface within a second. The number is worked out by multiplying the interface width by the speed of its memory. If it uses DDR type RAM, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the better 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 amount of texture map elements (texels) that can be applied per second. This is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The higher the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

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