Radeon R9 390 8G vs Radeon RX 5600 XT

Intro

Compare all of that to the Radeon RX 5600 XT, which has a clock speed of 1375 MHz and a GDDR6 memory frequency of 1500 MHz. It also makes use of a 192-bit bus, and makes use of a 7 nm design. It is comprised of 2304 SPUs, 144 TAUs, and 64 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 5600 XT		160 Watts
Radeon R9 390 8G		275 Watts
	Difference: 115 Watts (72%)

Memory Bandwidth

The Radeon R9 390 8G, in theory, should perform a bit faster than the Radeon RX 5600 XT in general. (explain)

Radeon R9 390 8G		384000 MB/sec
Radeon RX 5600 XT		344064 MB/sec
	Difference: 39936 (12%)

Texel Rate

The Radeon RX 5600 XT should be quite a bit (more or less 24%) more effective at anisotropic filtering than the Radeon R9 390 8G. (explain)

Radeon RX 5600 XT		198000 Mtexels/sec
Radeon R9 390 8G		160000 Mtexels/sec
	Difference: 38000 (24%)

Pixel Rate

If running with a high screen resolution is important to you, then the Radeon RX 5600 XT is a better choice, by a large margin. (explain)

Radeon RX 5600 XT		88000 Mpixels/sec
Radeon R9 390 8G		64000 Mpixels/sec
	Difference: 24000 (38%)

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 largest amount of data (measured in megabytes per second) that can be moved across the external memory interface within a second. It is worked out by multiplying the card's interface width by the speed of its memory. If it uses DDR RAM, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly record to the 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 clock 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 also depends on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.