GeForce GTX 1660 Ti vs Radeon R9 270

Intro

Compare those specifications to the Radeon R9 270, which comes with GPU core speed of 900 MHz, and 2048 MB of GDDR5 RAM running at 1400 MHz through a 256-bit bus. It also features 1280 Stream Processors, 80 Texture Address Units, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1660 Ti		120 Watts
Radeon R9 270		150 Watts
	Difference: 30 Watts (25%)

Memory Bandwidth

The GeForce GTX 1660 Ti should theoretically perform quite a bit faster than the Radeon R9 270 overall. (explain)

GeForce GTX 1660 Ti		294912 MB/sec
Radeon R9 270		179200 MB/sec
	Difference: 115712 (65%)

Texel Rate

The GeForce GTX 1660 Ti will be much (about 100%) more effective at AF than the Radeon R9 270. (explain)

GeForce GTX 1660 Ti		144000 Mtexels/sec
Radeon R9 270		72000 Mtexels/sec
	Difference: 72000 (100%)

Pixel Rate

The GeForce GTX 1660 Ti should be a lot (about 150%) faster with regards to anti-aliasing than the Radeon R9 270, and also will be able to handle higher resolutions while still performing well. (explain)

GeForce GTX 1660 Ti		72000 Mpixels/sec
Radeon R9 270		28800 Mpixels/sec
	Difference: 43200 (150%)

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 (in units of megabytes per second) that can be moved over the external memory interface in a second. It is calculated by multiplying the bus width by its memory clock speed. If the card has DDR memory, it should be multiplied by 2 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 AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed in one second. This number is calculated by multiplying the total texture units of the card by the core speed of the chip. The better 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 chip could possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.