GeForce GTX 1660 Ti vs Radeon R9 380X

Intro

Compare all that to the Radeon R9 380X, which has GPU clock speed of 970 MHz, and 4096 MB of GDDR5 memory set to run at 1425 MHz through a 256-bit bus. It also is made up of 2048 SPUs, 128 TAUs, and 32 Raster Operation Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1660 Ti		120 Watts
Radeon R9 380X		190 Watts
	Difference: 70 Watts (58%)

Memory Bandwidth

The GeForce GTX 1660 Ti should theoretically be a lot faster than the Radeon R9 380X in general. (explain)

GeForce GTX 1660 Ti		294912 MB/sec
Radeon R9 380X		182400 MB/sec
	Difference: 112512 (62%)

Texel Rate

The GeForce GTX 1660 Ti will be a small bit (about 16%) better at texture filtering than the Radeon R9 380X. (explain)

GeForce GTX 1660 Ti		144000 Mtexels/sec
Radeon R9 380X		124160 Mtexels/sec
	Difference: 19840 (16%)

Pixel Rate

If running with a high resolution is important to you, then the GeForce GTX 1660 Ti is a better choice, by far. (explain)

GeForce GTX 1660 Ti		72000 Mpixels/sec
Radeon R9 380X		31040 Mpixels/sec
	Difference: 40960 (132%)

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 information (in units of MB per second) that can be moved past the external memory interface in a second. It's worked out by multiplying the card's bus width by its memory clock speed. In the case of DDR RAM, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Render Output Units 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 rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.