Radeon R9 390X 8G vs Radeon RX 5700 XT 50th Anniversary Edition

Intro

Compare those specs to the Radeon RX 5700 XT 50th Anniversary Edition, which comes with a clock speed of 1680 MHz and a GDDR6 memory frequency of 1750 MHz. It also uses a 256-bit bus, and makes use of a 7 nm design. It is made up of 2560 SPUs, 160 Texture Address Units, and 64 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 5700 XT 50th Anniversary Edition		235 Watts
Radeon R9 390X 8G		275 Watts
	Difference: 40 Watts (17%)

Memory Bandwidth

As far as performance goes, the Radeon RX 5700 XT 50th Anniversary Edition should theoretically be a bit better than the Radeon R9 390X 8G overall. (explain)

Radeon RX 5700 XT 50th Anniversary Edition		458752 MB/sec
Radeon R9 390X 8G		384000 MB/sec
	Difference: 74752 (19%)

Texel Rate

The Radeon RX 5700 XT 50th Anniversary Edition will be much (more or less 45%) faster with regards to texture filtering than the Radeon R9 390X 8G. (explain)

Radeon RX 5700 XT 50th Anniversary Edition		268800 Mtexels/sec
Radeon R9 390X 8G		184800 Mtexels/sec
	Difference: 84000 (45%)

Pixel Rate

The Radeon RX 5700 XT 50th Anniversary Edition should be quite a bit (more or less 60%) faster with regards to FSAA than the Radeon R9 390X 8G, and will be capable of handling higher resolutions without slowing down too much. (explain)

Radeon RX 5700 XT 50th Anniversary Edition		107520 Mpixels/sec
Radeon R9 390X 8G		67200 Mpixels/sec
	Difference: 40320 (60%)

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 maximum amount of data (measured in megabytes per second) that can be transferred past the external memory interface within a second. It is worked out by multiplying the card's bus width by its memory clock speed. In the case of DDR RAM, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied in one second. This number is calculated by multiplying the total number of texture units 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 per second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly write to the local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the number of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.