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

Intro

The Radeon R9 390 8G comes with a core clock frequency of 1000 MHz and a GDDR5 memory frequency of 1500 MHz. It also features a 512-bit bus, and uses a 28 nm design. It is comprised of 2560 SPUs, 160 Texture Address Units, and 64 Raster Operation Units.

Compare those specifications to the Radeon RX 5700 XT 50th Anniversary Edition, which has a core clock speed of 1680 MHz and a GDDR6 memory frequency of 14000 MHz. It also makes use of a 256-bit memory bus, and uses a 7 nm design. It is comprised of 2560 SPUs, 160 Texture Address Units, and 64 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

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

Memory Bandwidth

Theoretically, the Radeon RX 5700 XT 50th Anniversary Edition should be a bit faster than the Radeon R9 390 8G overall. (explain)

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

Texel Rate

The Radeon RX 5700 XT 50th Anniversary Edition will be much (about 68%) better at anisotropic filtering than the Radeon R9 390 8G. (explain)

Radeon RX 5700 XT 50th Anniversary Edition 268800 Mtexels/sec
Radeon R9 390 8G 160000 Mtexels/sec
Difference: 108800 (68%)

Pixel Rate

If using high levels of AA is important to you, then the Radeon RX 5700 XT 50th Anniversary Edition is the winner, by far. (explain)

Radeon RX 5700 XT 50th Anniversary Edition 107520 Mpixels/sec
Radeon R9 390 8G 64000 Mpixels/sec
Difference: 43520 (68%)

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

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Radeon R9 390 8G

Amazon.com

Check prices at:

Radeon RX 5700 XT 50th Anniversary Edition

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model Radeon R9 390 8G Radeon RX 5700 XT 50th Anniversary Edition
Manufacturer AMD AMD
Year June 2015 July 2019
Code Name Grenada PRO Navi 10
Memory 8192 MB 8096 MB
Core Speed 1000 MHz 1680 MHz
Memory Speed 6000 MHz 28000 GB/s
Power (Max TDP) 275 watts 235 watts
Bandwidth 384000 MB/sec 458752 MB/sec
Texel Rate 160000 Mtexels/sec 268800 Mtexels/sec
Pixel Rate 64000 Mpixels/sec 107520 Mpixels/sec
Unified Shaders 2560 2560
Texture Mapping Units 160 160
Render Output Units 64 64
Bus Type GDDR5 GDDR6
Bus Width 512-bit 256-bit
Fab Process 28 nm 7 nm
Transistors 6200 million 10300 million
Bus PCIe 3.0 ×16 PCIe 4.0 ×16
DirectX Version DirectX 12.0 DirectX 12
OpenGL Version OpenGL 4.5 OpenGL 4.6

Memory Bandwidth: Memory bandwidth is the largest amount of data (in units of MB per second) that can be transferred over the external memory interface in a second. It is calculated by multiplying the card's bus width by the speed of its memory. In the case of DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly write to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of 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 fill rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

Radeon R9 390 8G

Amazon.com

Check prices at:

Radeon RX 5700 XT 50th Anniversary Edition

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

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