GeForce GTX 1080 vs Radeon R7 250X 2GB

Intro

Compare that to the Radeon R7 250X 2GB, which comes with clock speeds of 1000 MHz on the GPU, and 1125 MHz on the 2048 MB of GDDR5 RAM. It features 640 SPUs as well as 40 TAUs and 16 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 250X 2GB		95 Watts
GeForce GTX 1080		180 Watts
	Difference: 85 Watts (89%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 1080 should in theory be a lot superior to the Radeon R7 250X 2GB overall. (explain)

GeForce GTX 1080		327680 MB/sec
Radeon R7 250X 2GB		72000 MB/sec
	Difference: 255680 (355%)

Texel Rate

The GeForce GTX 1080 will be quite a bit (more or less 543%) more effective at AF than the Radeon R7 250X 2GB. (explain)

GeForce GTX 1080		257120 Mtexels/sec
Radeon R7 250X 2GB		40000 Mtexels/sec
	Difference: 217120 (543%)

Pixel Rate

If running with a high resolution is important to you, then the GeForce GTX 1080 is superior to the Radeon R7 250X 2GB, by a large margin. (explain)

GeForce GTX 1080		102848 Mpixels/sec
Radeon R7 250X 2GB		16000 Mpixels/sec
	Difference: 86848 (543%)

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 data (counted in MB per second) that can be moved across the external memory interface in a second. It's worked out by multiplying the card's bus width by its memory clock speed. If it uses DDR type memory, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly write to the local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.