GeForce GTX 1080 vs Radeon R9 M375X

Intro

Compare those specifications to the Radeon R9 M375X, which comes with a core clock speed of 1015 MHz and a GDDR5 memory speed of 1125 MHz. It also features a 128-bit bus, and uses a 28 nm design. It is comprised of 640 SPUs, 40 TAUs, and 16 Raster Operation Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically, the GeForce GTX 1080 should perform quite a bit faster than the Radeon R9 M375X in general. (explain)

GeForce GTX 1080		327680 MB/sec
Radeon R9 M375X		72000 MB/sec
	Difference: 255680 (355%)

Texel Rate

The GeForce GTX 1080 will be a lot (about 533%) faster with regards to AF than the Radeon R9 M375X. (explain)

GeForce GTX 1080		257120 Mtexels/sec
Radeon R9 M375X		40600 Mtexels/sec
	Difference: 216520 (533%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GTX 1080 is the winner, by a large margin. (explain)

GeForce GTX 1080		102848 Mpixels/sec
Radeon R9 M375X		16240 Mpixels/sec
	Difference: 86608 (533%)

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 transferred across the external memory interface in one second. It's calculated by multiplying the card's bus width by its memory clock speed. If the card has DDR type RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied 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 card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the most pixels the video card can possibly record to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.