GeForce GTX 980 Ti vs Radeon R9 M375

Intro

Compare that to the Radeon R9 M375, which comes with a clock frequency of 1015 MHz and a DDR3 memory speed of 1100 MHz. It also features a 128-bit memory bus, and makes use of a 28 nm design. It features 640 SPUs, 40 Texture Address Units, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

As far as performance goes, the GeForce GTX 980 Ti should theoretically be quite a bit better than the Radeon R9 M375 in general. (explain)

GeForce GTX 980 Ti		336000 MB/sec
Radeon R9 M375		35200 MB/sec
	Difference: 300800 (855%)

Texel Rate

The GeForce GTX 980 Ti should be a lot (more or less 333%) better at texture filtering than the Radeon R9 M375. (explain)

GeForce GTX 980 Ti		176000 Mtexels/sec
Radeon R9 M375		40600 Mtexels/sec
	Difference: 135400 (333%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 980 Ti is a better choice, and very much so. (explain)

GeForce GTX 980 Ti		96000 Mpixels/sec
Radeon R9 M375		16240 Mpixels/sec
	Difference: 79760 (491%)

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 largest amount of information (counted in MB per second) that can be moved over the external memory interface in a second. The number is worked out by multiplying the card's bus width by the speed of its memory. If it uses DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster 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 can be applied in one second. This is calculated by multiplying the total amount of texture units of the card by the core 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 processed per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.