GeForce GTX 1060 3GB vs Radeon R9 M390X

Intro

Compare all of that to the Radeon R9 M390X, which comes with core clock speeds of 723 MHz on the GPU, and 1250 MHz on the 4096 MB of GDDR5 memory. It features 2048 SPUs along with 128 Texture Address Units and 32 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1060 3GB		120 Watts
Radeon R9 M390X		125 Watts
	Difference: 5 Watts (4%)

Memory Bandwidth

Performance-wise, the GeForce GTX 1060 3GB should in theory be quite a bit better than the Radeon R9 M390X overall. (explain)

GeForce GTX 1060 3GB		196608 MB/sec
Radeon R9 M390X		160000 MB/sec
	Difference: 36608 (23%)

Texel Rate

The GeForce GTX 1060 3GB is a bit (approximately 17%) faster with regards to texture filtering than the Radeon R9 M390X. (explain)

GeForce GTX 1060 3GB		108432 Mtexels/sec
Radeon R9 M390X		92544 Mtexels/sec
	Difference: 15888 (17%)

Pixel Rate

The GeForce GTX 1060 3GB is much (approximately 212%) faster with regards to FSAA than the Radeon R9 M390X, and also should be capable of handling higher resolutions without losing too much performance. (explain)

GeForce GTX 1060 3GB		72288 Mpixels/sec
Radeon R9 M390X		23136 Mpixels/sec
	Difference: 49152 (212%)

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 max amount of information (measured in megabytes per second) that can be transferred past the external memory interface in one second. The number is calculated by multiplying the interface width by the speed of its memory. If the card has DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed per second. This number is calculated by multiplying the total number of texture units of the card by the core speed of the chip. The better the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly record to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.