GeForce RTX 2080 vs Radeon R9 390 8G

Intro

Compare that to the Radeon R9 390 8G, which comes with a clock speed of 1000 MHz and a GDDR5 memory frequency of 1500 MHz. It also makes use of a 512-bit bus, and makes use of a 28 nm design. It is made up of 2560 SPUs, 160 Texture Address Units, and 64 Raster Operation Units.

Display Graphs

Hide Graphs

Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

GeForce RTX 2080		26155 points
Radeon R9 390 8G		12733 points
	Difference: 13422 (105%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce RTX 2080		215 Watts
Radeon R9 390 8G		275 Watts
	Difference: 60 Watts (28%)

Memory Bandwidth

In theory, the GeForce RTX 2080 should perform just a bit faster than the Radeon R9 390 8G overall. (explain)

GeForce RTX 2080		458752 MB/sec
Radeon R9 390 8G		384000 MB/sec
	Difference: 74752 (19%)

Texel Rate

The GeForce RTX 2080 is a lot (more or less 74%) more effective at texture filtering than the Radeon R9 390 8G. (explain)

GeForce RTX 2080		278760 Mtexels/sec
Radeon R9 390 8G		160000 Mtexels/sec
	Difference: 118760 (74%)

Pixel Rate

The GeForce RTX 2080 will be a lot (approximately 52%) faster with regards to anti-aliasing than the Radeon R9 390 8G, and also capable of handling higher resolutions more effectively. (explain)

GeForce RTX 2080		96960 Mpixels/sec
Radeon R9 390 8G		64000 Mpixels/sec
	Difference: 32960 (52%)

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 data (in units of megabytes per second) that can be moved past the external memory interface in a second. The number is calculated by multiplying the card's bus width by its memory clock speed. If it uses DDR RAM, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly record to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.