GeForce GTX 560 vs Radeon R9 M375X

Intro

Compare that to the Radeon R9 M375X, which comes with GPU clock speed of 1015 MHz, and 4096 MB of GDDR5 RAM set to run at 1125 MHz through a 128-bit bus. It also is made up of 640 SPUs, 40 TAUs, and 16 Raster Operation Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the GeForce GTX 560 should be much faster than the Radeon R9 M375X in general. (explain)

GeForce GTX 560		128128 MB/sec
Radeon R9 M375X		72000 MB/sec
	Difference: 56128 (78%)

Texel Rate

The GeForce GTX 560 should be just a bit (more or less 12%) more effective at anisotropic filtering than the Radeon R9 M375X. (explain)

GeForce GTX 560		45360 Mtexels/sec
Radeon R9 M375X		40600 Mtexels/sec
	Difference: 4760 (12%)

Pixel Rate

The GeForce GTX 560 should be quite a bit (about 60%) faster with regards to full screen anti-aliasing than the Radeon R9 M375X, and will be capable of handling higher screen resolutions without slowing down too much. (explain)

GeForce GTX 560		25920 Mpixels/sec
Radeon R9 M375X		16240 Mpixels/sec
	Difference: 9680 (60%)

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 (counted in megabytes per second) that can be transferred over the external memory interface in a second. It is worked out by multiplying the card's bus width by the speed of its memory. In the case of DDR type RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. 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 texture map elements (texels) that are applied in one second. This is worked out by multiplying the total number of texture units by the core clock speed of the chip. The better this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.