GeForce GTX Titan X vs Radeon RX 470 4GB

Intro

Compare all that to the Radeon RX 470 4GB, which features a clock speed of 926 MHz and a GDDR5 memory speed of 1650 MHz. It also makes use of a 256-bit memory bus, and uses a 14 nm design. It is comprised of 2048 SPUs, 128 Texture Address Units, 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 Titan X		250 Watts
	Difference: 130 Watts (108%)

Memory Bandwidth

In theory, the GeForce GTX Titan X should be 59% quicker than the Radeon RX 470 4GB in general, because of its higher bandwidth. (explain)

GeForce GTX Titan X		336000 MB/sec
Radeon RX 470 4GB		211200 MB/sec
	Difference: 124800 (59%)

Texel Rate

The GeForce GTX Titan X should be a lot (about 62%) better at texture filtering than the Radeon RX 470 4GB. (explain)

GeForce GTX Titan X		192000 Mtexels/sec
Radeon RX 470 4GB		118528 Mtexels/sec
	Difference: 73472 (62%)

Pixel Rate

The GeForce GTX Titan X should be a lot (approximately 224%) faster with regards to full screen anti-aliasing than the Radeon RX 470 4GB, and should be able to handle higher screen resolutions more effectively. (explain)

GeForce GTX Titan X		96000 Mpixels/sec
Radeon RX 470 4GB		29632 Mpixels/sec
	Difference: 66368 (224%)

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 maximum amount of data (measured in MB per second) that can be transferred over the external memory interface in a second. The number is calculated by multiplying the card's bus width by its memory clock speed. If the card has DDR type RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed in one second. This is calculated by multiplying the total number of texture units by the core clock 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 applied in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill 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 maximum fill rate.