GeForce GTX 1660 Ti vs Radeon R9 285

Intro

Compare all that to the Radeon R9 285, which has clock speeds of 918 MHz on the GPU, and 1375 MHz on the 2048 MB of GDDR5 memory. It features 1792 SPUs as well as 112 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 1660 Ti		120 Watts
Radeon R9 285		190 Watts
	Difference: 70 Watts (58%)

Memory Bandwidth

The GeForce GTX 1660 Ti should theoretically perform a lot faster than the Radeon R9 285 overall. (explain)

GeForce GTX 1660 Ti		294912 MB/sec
Radeon R9 285		176000 MB/sec
	Difference: 118912 (68%)

Texel Rate

The GeForce GTX 1660 Ti should be quite a bit (about 40%) faster with regards to anisotropic filtering than the Radeon R9 285. (explain)

GeForce GTX 1660 Ti		144000 Mtexels/sec
Radeon R9 285		102816 Mtexels/sec
	Difference: 41184 (40%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 1660 Ti is superior to the Radeon R9 285, and very much so. (explain)

GeForce GTX 1660 Ti		72000 Mpixels/sec
Radeon R9 285		29376 Mpixels/sec
	Difference: 42624 (145%)

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 information (in units of MB per second) that can be transferred over the external memory interface in a second. The number is worked out by multiplying the interface width by its memory clock speed. If the card has DDR type RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied per second. This number is worked out by multiplying the total 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 processed per second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly record to its local memory per 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 called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.